Page 1 Hitachi Global Storage Technologies Hard Disk Drive Specification Hitachi Deskstar 7K3000 3.5 inch Serial ATA hard disk drive Models: HDS723020BLA642 HDS723015BLA642 Revision 1.2 01. April. 2011 Hitachi hard disk drive specifications...
Page 2 This publication could include technical inaccuracies or typographical errors. Changes are periodically made to the information herein; these changes will be incorporated in new editions of the publication. Hitachi may make improvements or changes in any products or programs described in this publication at any time.
Page 3: Table Of Contents
Required Power-Off Sequence ....................33 Mechanical specifications....................... 34 6.5.1 Physical dimensions ........................ 34 6.5.2 Hole locations........................... 36 6.5.3 Connector locations ......................... 37 6.5.4 Drive mounting ........................38 6.5.5 Heads unload and actuator lock ..................... 38 Hitachi hard disk drive specifications...
Page 4 Power Management Commands..................... 59 9.4.3 Standby timer .......................... 59 9.4.4 Interface Capability for Power Modes ................... 60 SMART Function ..........................61 9.5.1 Attributes ..........................61 9.5.2 Attribute values ........................61 9.5.3 Attribute thresholds ........................ 61 Hitachi hard disk drive specifications...
Page 5 Device Configuration Restore (Subcommand C0h) ............. 114 11.3.2 Device Configuration Freeze Lock (Subcommand C1h) ............. 115 11.3.3 Device Configuration Identify (Subcommand C2h) ............115 11.3.4 Device Configuration Set (Subcommand C3h) ..............115 Download Microcode (92h) ......................118 11.4 Hitachi hard disk drive specifications...
Page 6 Set Max Lock (Feature = 02h) ..................206 11.39.3 Set Max Unlock (Feature = 03h) ..................207 11.39.4 Set Max Freeze Lock (Feature = 04h) ................208 Set Max Address Ext (37h) ......................209 11.40 Hitachi hard disk drive specifications...
Page 7 Write Sector(s) (30h/31h) ......................251 11.55 Write Sector(s) Ext (34h) ....................... 253 11.56 Write Stream DMA (3Ah) ......................255 11.57 Write Stream PIO (3Bh) ........................ 258 11.58 Write Uncorrectable Ext (45h) ....................... 261 11.59 Timings ................................263 Hitachi hard disk drive specifications...
Page 8 Table 47 Input Registers of SCT Status Request Using SMART ............90 Table 48 Input Registers of SCT Status Request Using Read Log Ext ..........90 Table 49 Data Format of SCT Status Response ................... 92 Table 50 SCT Write Same (Inputs) ......................93 Hitachi hard disk drive specifications...
Page 9 Table 100 Extended Error log data structure ..................152 Table 101 Command data structure ....................152 Table 102 Error data structure ......................153 Table 103 Extended Self-test log data structure ................154 Table 104 Extended Self-test log descriptor entry ................155 Hitachi hard disk drive specifications...
Page 10 Table 154 Individual Threshold Data Structure ................223 Table 155 SMART Log Directory ......................224 Table 156 SMART summary error log sector ..................225 Table 157 Error log data structure ...................... 226 Table 158 Command data structure ....................226 Hitachi hard disk drive specifications...
Page 11 Table 177 Write Stream DMA Command (3Ah) ................. 255 Table 178 Write Stream PIO Command (3Bh) ................... 258 Table 179 Write Uncorrectable Ext Command (45h) ................. 261 Table 180 Timeout Values ........................263 Table 181 Timeout Values --Continued-- .................... 264 Hitachi hard disk drive specifications...
Page 12 Figure 7 Mounting hole locations (all dimensions are in mm) ................. 36 Figure 8 Connector locations ........................37 Figure 9 Initial Setting ..........................64 Figure 10 Usual Operation ........................... 65 Figure 11 Password Lost ..........................66 Hitachi hard disk drive specifications...
Page 13: Table 1 Type And Model
General 1.1 Introduction This document describes the specifications of the Deskstar 7K3000, an Hitachi Global Storage Technologies 3.5-inch 7200-rpm serial ATA interface hard disk drive with the following model numbers: Capacity Type Model# DS7SAD200 HDS723020BLA642 1.5TB DS7SAD150 HDS723015BLA642 Table 1 Type and Model#...
Page 14: Glossary
ESD protective bag are the responsibility of the user. 1.4 References ・ Serial ATA II: Extensions to Serial ATA 1.0a revision1.2 ・ Serial ATA International Organization: Serial ATA Revision2.60 Hitachi hard disk drive specifications...
Page 15: General Features
General features  Data capacities of 1.5TB/2TB  Spindle speeds of 7200 RPM  Fluid Dynamic Bearing motor  Dual Stage Actuator  Serial ATA interface  Sector format of 512 bytes/sector  Closed-loop actuator servo  Load/Unload mechanism, non head disk contact start/stop ...
Page 16 Part 1. Functional specification...
Page 17: Head Disk Assembly
Fixed disk subsystem description Control Electronics The drive is electronically controlled by a microprocessor, several logic modules, digital/analog modules, and various drivers and receivers. The control electronics performs the following major functions: Controls and interprets all interface signals between the host controller and the drive. Controls read write accessing of the disk media, including defect management and error recovery.
Page 18: Table 2 Formatted Capacity
Drive characteristics This section describes the characteristics of the drive. Default logical drive parameters The default of the logical drive parameters in Identify Device data is as shown below. Description 1.5TB model 2TB model Physical Layout Label capacity 1.5TB Bytes per Sector Number of Heads 5 or 6 Number of Disks...
Page 19: Data Sheet
Upper 7631.5 KB are used for firmware, this is typical value, it depends on firmware revision Table 3 Mechanical positioning performance 4.3 World Wide Name Assignment Description 1.5TB model 2TB model Hitachi GST Organization Hitachi GST China Plant, China(GSP) Manufacturing Site Deskstar 7K3000 Product 000CCAh SHBU 367h(F0 GSP) 369h(F3 GSP)
Page 20: Drive Format
This cylinder contains the user data which can be sent and retrieved via read/write commands and a spare area for reassigned data. Spare cylinder The spare cylinder is used by Hitachi Global Storage Technologies manufacturing and includes data sent from a defect location.
Page 21: Table 5 Command Overhead
Performance characteristics Drive performance is characterized by the following parameters:  Command overhead  Mechanical positioning Seek time Latency  Data transfer speed  Buffering operation (Look ahead/Write cache) All the above parameters contribute to drive performance. There are other parameters that contribute to the performance of the actual system.
Page 22: Mechanical Positioning
4.5.2 Mechanical positioning 4.5.2.1 Single track seek time (without command overhead, including settling) Common to all models and all seek modes Function Typical (ms) Max (ms) Read Write Table 6 Single Track Seek Time 4.5.2.2 Average latency Time for a revolution Average latency Rotational speed (ms)
Page 23: Operating Modes
4.5.4 Operating modes 4.5.4.1 Operating mode descriptions Operating mode Description Spin-up Start up time period from spindle stop or power down Seek Seek operation mode Write Write operation mode Read Read operation mode Unload Idle Spindle rotation at 7200 RPM with heads unloaded Idle Spindle motor and servo system are working normally.
Page 24: Defect Flagging Strategy
Defect flagging strategy Media defects are remapped to the next available sector during the Format Process in manufacturing. The mapping from LBA to the physical locations is calculated by an internally maintained table. Shipped format Data areas are optimally used. No extra sector is wasted as a spare throughout user data areas.
Page 25: Figure 2 Connector Location
Connector location Refer to the following illustration to see the location of the connectors. SATA Figure 2 Connector location 6.1.1.1 signal connector The SATA signal connector is an 8-pin connector. Power connector is a 15-pin connector. Hitachi hard disk drive specifications...
Page 26: Signal Definition(Sata)
+5 Vdc power that is available on the extended pins. This is used for pre-charging the I/O module. The enclosure shall provide for a current limit of 4.5 A peak on each 5V pre-charge pin (R=1.1 Ohms).These signals are the inbound high-speed differential signals that are connected to the serial ATA cable. Hitachi hard disk drive specifications...
Page 27 The enclosure shall be capable of supplying 2.4 A peak on each 12 V pre-charge pin (R=5 Ohms). These signals are the inbound high-speed differential signals that are connected to the serial ATA cable. Hitachi hard disk drive specifications...
Page 28: Out Of Band Signaling(Sata)
C O M R ESET/C O M I N I T C O M W A KE Figure 3 the timing of COMRESET, COMINIT and COMWAKE PARAMETER DESCRIPTION Nominal (ns) ALIGN primitives 106.7 Spacing ALIGN primitives 106.7 Spacing 106.7 Table 11 Parameter descriptions Hitachi hard disk drive specifications...
Page 29: Table 12 Temperature And Humidity
1. The system is responsible for providing sufficient ventilation to maintain a surface temperature below 65°C at the center of the top cover of the drive. 2. Non condensing conditions should be maintained at any time. 3. Maximum storage period within shipping package is one year, Hitachi hard disk drive specifications...
Page 30: Corrosion Test
Care must also be taken to avoid use of any organometallic (e.g. organosilicon or organotin) compound/material in a way that creates elevated vapor levels of these compounds/materials in the atmosphere surrounding the disk drive. Hitachi hard disk drive specifications...
Page 31: Table 13 Input Voltage
Start up (max) 1200 2000 Standby average Sleep average Table 14 Power supply current Except for a peak of less than 100 s duration Random R/W : 40 IOPS / 16 Blocks Random Write and Random Read Hitachi hard disk drive specifications...
Page 32: Table 15 Power Supply Generated Ripple At Drive Power Connector
±300 millivolts peak to peak level difference to the ground of the drive power connector. Hitachi hard disk drive specifications...
Page 33: Cable Noise Interference
Step 2: Wait until the Command Complete status is returned. In a typical case 350 ms are required for the command to finish completion; however, the BIOS time out value needs to be 30 seconds considering error recovery time. Step 3: Terminate power to HDD. Hitachi hard disk drive specifications...
Page 34: Figure 5 Top And Side Views With Breather Hole Location And Mechanical Dimensions
Mechanical specifications 6.5.1 Physical dimensions Figure 5 Top and side views with breather hole location and mechanical dimensions All dimensions are in millimeters. Hitachi hard disk drive specifications...
Page 35: Table 16 Physical Dimensions
The breather hole must be kept uncovered in order to keep the air pressure inside of the disk enclosure equal to external air pressure. The following table shows the physical dimensions of the drive. Height (mm) Width (mm) Length (mm) Weight (grams) 26.1 MAX 101.6 ± 0.25 147 MAX 680 MAX Table 16 Physical Dimensions Hitachi hard disk drive specifications...
Page 36: Hole Locations
(6X) Max. penetration 4.5 mm Side View I/F Connector Bottom View (4X) Max. penetration 4.0 mm Thread 6-32UNC 41.28±0.5 44.45±0.2 95.25±0.2 6.35±0.2 28.5±0.5 60.0±0.2 41.6±0.2 Figure 7 Mounting hole locations (all dimensions are in mm) Hitachi hard disk drive specifications...
Page 37: Figure 8 Connector Locations
6.5.3 Connector locations Figure 8 Connector locations Hitachi hard disk drive specifications...
Page 38: Drive Mounting
Heads are moved out from disks (unload) to protect the disk data during shipping, moving, or storage. Upon power down, the heads are automatically unloaded from disk area and the locking mechanism of the head actuator will secure the heads in unload position. Hitachi hard disk drive specifications...
Page 39: Non Operating Vibration
 Less than 20% Performance degradation for Random Write/Read/Verify @12.5Rad/sec (10-300Hz Flat) 6.6.2 Non operating vibration The drive does not sustain permanent damage or loss of previously recorded data after being subjected to the environment described below Hitachi hard disk drive specifications...
Page 40: Operating Shock
 Average acceleration level is 490 (50G). (Average response curve value during the time following the 1 ms rise time and before the 1 ms fall with a time "duration of 11 ms") m/sec  Minimum velocity change is 4.23 Hitachi hard disk drive specifications...
Page 41: Nonoperating Rotational Shock
Duration (ms) 2940 1470 Table 19 Sinusoidal shock wave 6.6.5 Nonoperating Rotational shock All shock inputs shall be applied around the actuator pivot axis. Duration Rad/sec 1 ms 30,000 2 ms 20,000 Table 20 Rotational Shock Hitachi hard disk drive specifications...
Page 42: Acoustics
The seek rate for the drive is to be calculated as shown below:  Dwell time = 0.5 x 60/RPM  Seek rate = 0.4 / (Average seek time + Dwell time) Hitachi hard disk drive specifications...
Page 43: Identification Labels
The following labels are affixed to every drive shipped from the drive manufacturing location in accordance with the appropriate hard disk drive assembly drawing:  A label containing the Hitachi logo, the Hitachi Global Storage Technologies part number, and the statement “Made by Hitachi Global Storage Technologies Inc.” or Hitachi Global Storage Technologies approved equivalent ...
Page 44: German Safety Mark
(RoHS) and with Halogen free requirements based on the electronics industry standard, IEC 61249-2-21 (http://www.iec.ch/). 6.9.6 Secondary circuit protection Spindle/VCM driver module includes 12 V over current protection circuit. Hitachi hard disk drive specifications...
Page 45: C-Tick Mark
 European Economic Community (EEC) directive number 76/889 related to the control of radio frequency interference and the Verband Deutscher Elektrotechniker (VDE) requirements of Germany (GOP).Spectrum Management Agency (SMA) EMC requirements of Australia. The SMA has approved two forms of C-Tick Marking for Hitachi Global Storage Technologies. 6.10.1 CE Mark...
Page 46: Part 2. Interface Specification
Part 2. Interface Specification Hitachi hard disk drive specifications...
Page 47: Terminology
7.3 “Deviations from Standard” on page 48 – Serial ATA II: Extensions to Serial ATA Revision 2.6 Terminology Device Device indicates HDS7230xxBLA642 / HDS5C30xxALA632 / HCS5C20xxALA632. Host Host indicates the system that the device is attached to. Hitachi hard disk drive specifications...
Page 48: Deviations From Standard
(SCT Command set) speed even if execution time exceeds specified recovery time limit. The minimum time limit is 6.5 second. When the specified time limit is shorter than 6.5 second, the issued command is aborted. Hitachi hard disk drive specifications...
Page 49: Command Register
The cylinder number may be from zero to the number of cylinders minus one. When 48-bit addressing commands are used, the "most recently written" content contains LBA Bits 16-23, and the "previous content" contains Bits 40-47. The 48-bit Address feature set is described in 9.12. Hitachi hard disk drive specifications...
Page 50: Table 23 Device Control Register
RST=0, to ensure that the device recognizes the reset. -IEN Interrupt Enable. When -IEN=0, and the device is selected, device interrupts to the host will be enabled. When -IEN=1, or the device is not selected, device interrupts to the host will be disabled. Hitachi hard disk drive specifications...
Page 51: Table 24 Drive Address Register
-Drive Select 1. Drive select bit for device 1, active low. DS1=0 when device 1 (slave) is selected and active. -DS0 -Drive Select 0. Drive Select bit for device 0, active low. DS0=0 when device 0 (master) is selected and active. Hitachi hard disk drive specifications...
Page 52: Table 25 Device/Head Register
The head number may be from zero to the number of heads minus one. In LBA mode, HS3 through HS0 contain bits 24-27 of the LBA. At command completion, these bits are updated to reflect the current LBA bits 24-27. Hitachi hard disk drive specifications...
Page 53: Table 26 Error Register
TK0NF (T0N) Track 0 Not Found. T0N=1 indicates track 0 was not found during a Recalibrate command. AMNF (AMN) Address Mark Not Found. This product does not report this error. This bit is always zero. Hitachi hard disk drive specifications...
Page 54: Features Register
In LBA mode, this register contains Bits 0-7. At the end of the command, this register is updated to reflect the current LBA Bits 0-7. When 48-bit commands are used, the "most recently written" content contains LBA Bits 0-7, and the "previous content" contains Bits 24-31. Hitachi hard disk drive specifications...
Page 55: Table 27 Status Register
Error. ERR=1 indicates that an error occurred during execution of the previous command. The Error Register should be read to determine the error type. The device sets ERR=0 when the next command is received from the host. Hitachi hard disk drive specifications...
Page 56: Table 28 Reset Response
In the case of Sleep mode, the device goes to Standby mode. In other case, the device does not change current mode. (*5) Idle when Power-Up in Standby feature set is disabled. Standby when Power-Up in Standby feature set is enabled. Hitachi hard disk drive specifications...
Page 57: Register Initialization
Diagnostic command is shown in Diagnostic and Reset considerations In each case of Power on Reset, COMRESET, Soft reset, and EXECUTE DEVICE DIAGNOSTIC command, the Table 30 device is diagnosed. And Error register is set as shown in Hitachi hard disk drive specifications...
Page 58: Logical Chs Addressing Mode
On LBA addressing mode, the LBA value is set to the following register. Device/Head <--- 27-24 bits Cylinder High <--- 23-16 bits Cylinder Low <--- 15- 8 bits Sector Number <--- 7- 0 bits Hitachi hard disk drive specifications...
Page 59: Power Management Commands
If the value of SECTOR COUNT register on Idle command or Standby command is set to 00h, the standby timer is disabled. Hitachi hard disk drive specifications...
Page 60: Interface Capability For Power Modes
Active Active Idle Active Standby Inactive sleep Inactive Table 31 Power conditions Ready (RDY) is not a power condition. A device may post ready at the interface even though the media may not be accessible. Hitachi hard disk drive specifications...
Page 61: Attribute Values
9.5.5 SMART commands The SMART commands provide access to attribute values, attribute thresholds and other logging and reporting information. Hitachi hard disk drive specifications...
Page 62: Off-Line Read Scanning
If interrupted by the host during the self-tests, the device services the host command. If the device receives a firmware modification, all self-test log data is discarded. Hitachi hard disk drive specifications...
Page 63: Security Level
Maximum level security When the device lock function is enabled and the User Password is forgotten then only the Master Password with a Security Erase Unit command can unlock the device. Then user data is erased. Hitachi hard disk drive specifications...
Page 64: Password
When a User Password is set, the device will automatically enter lock mode the next time the device is powered (Ref.) < Setting Password > < No Setting Password > Set Password with User Password Normal operation Normal operation Power off Power off Device locked mode Device unlocked mode Figure 9 Initial Setting Hitachi hard disk drive specifications...
Page 65: Figure 10 Usual Operation
Normal operation : All commands are available Freeze Lock command Enter Device Frozen mode Normal Operation except Set Password, Disable Password, Erase Unit, Unlock commands. (*1) Refer to 9.6.5 on the page .67 Figure 10 Usual Operation Hitachi hard disk drive specifications...
Page 66: Figure 11 Password Lost
128 in Identify Device information is set, and then SECURITY ERASE UNIT command and SECURITY UNLOCK command are aborted until a hard reset or a power off. The count and EXPIRE bit are cleared after a power on reset or a hard reset. Hitachi hard disk drive specifications...
Page 67: Command Table
SCT Data Table Command aborted Executable Executable SCT Read Status Executable Executable Executable Security Disable Password Command aborted Executable Command aborted Security Erase Prepare Executable Executable Command aborted Table 32 Command table for device lock operation -1 Hitachi hard disk drive specifications...
Page 68: Table 33 Command Table For Device Lock Operation -2
Write Sector(s) Ext Command aborted Executable Executable Write Stream DMA Command aborted Executable Executable Write Stream PIO Command aborted Executable Executable Write Uncorrectable Ext Command aborted Executable Executable Table 33 Command table for device lock operation -2 Hitachi hard disk drive specifications...
Page 69: Host Protected Area Feature
Make entire device be accessible including the protected area by setting device Maximum LBA as 12,692,735 (C1ACFFh) via Set Max Address command. The option could be either nonvolatile or volatile. Test the sectors for protected area (LBA >= 12,289,536 (BB8600h)) if required. Hitachi hard disk drive specifications...
Page 70: Security Extensions
Max UNLOCK) until the next power cycle. When this command is accepted the device is in the Set_Max_Frozen mode. The IDENTIFY DEVICE response word 83, bit 8 indicates that this extension is supported if set, and word 86, bit 8 indicate the Set Max security extension enabled if set. Hitachi hard disk drive specifications...
Page 71: Write Cache Function
So the host system can confirm the completion of write cache operation by issuing Soft reset, Standby (Immediate) command or Flush Cache command to the device before power off. Hitachi hard disk drive specifications...
Page 72: Auto Reassign Function
When a read operation for a sector failed once then recovered at the specific ERP step, this sector of data is reallocated automatically. A media verification sequence may be run prior to the relocation according to the pre-defined conditions. Hitachi hard disk drive specifications...
Page 73: Power-Up In Standby Feature Set
The IDENTIFY DEVICE response word 83, bit 3 indicates that Advanced Power Management feature is supported if set. Word 86, bit 3 indicates that Advanced Power Management is enabled if set. Word 91, bits 7-0 contain the current Advanced Power Management level if Advanced Power Management is enabled. Hitachi hard disk drive specifications...
Page 74: Bit Address Feature Set
HOB bit to zero in the Device Control register. The "most recently written" content always gets written by a register write regardless of the state of HOB in the Device Control register. Hitachi hard disk drive specifications...
Page 75: Streaming Feature Set
The host provided numeric stream identifier, Stream ID, may be used by the device to configure its resources to support the streaming requirements of the AV content. One Stream ID may be configured for each read and write operation with different command completion time limits be each Configure Stream command. Hitachi hard disk drive specifications...
Page 76: Streaming Logs
Read Log Ext command; the information included in the error logs is volatile and is not maintained across power cycles, hard resets, or sleep. These error logs are 512 bytes in length and retain the last 31 errors that occurred during any Streaming Data transfer. Hitachi hard disk drive specifications...
Page 77: Sata Bist (Built-In Self Test)
SEC5: Unlocked / not Frozen state. SECURITY FREEZE LOCK: The Frozen mode setting established by the SECURITY FREEZE LOCK command. SECURITY UNLOCK: The unlock counter that is decremented as part of a failed SECURITY UNLOCK command attempt. Hitachi hard disk drive specifications...
Page 78 SET FEATURES (Reverting to Defaults): The reverting to power-on defaults enable/disable setting established by the SET FEATURES command with a subcommand code of CCh or 66h. SET MULTIPLE MODE: The block size established with the SET MULTIPLE MODE command. Hitachi hard disk drive specifications...
Page 79: Device Power Connector Pin 11 Definition
Optional counters that are not implemented shall not be returned in log page 11h. A value of „0‟ returned for a counter means that there have been no instances of that particular event. There is no required ordering for event counters within the log page; the order is arbitrary and selected by the device vendor. Hitachi hard disk drive specifications...
Page 80: Table 34 Phy Event Counter Identifiers
The counter with identifier 001h returns the number of commands that returned an ending status with the ERR bit set to one in the Status register and the ICRC bit set to one in the Error register. Hitachi hard disk drive specifications...
Page 81 CRC error. 9.17.3.2.1.12 Identifier 00Dh The counter with identifier 00Dh returns the number of received Host-to-Device FISes of all types (Data and non-Data) to which the devices responded with R_ERR for reasons other than CRC error. Hitachi hard disk drive specifications...
Page 82: Table 35 Read Log Ext Log Page 11H Data Structure Definition
Each byte shall be added with unsigned arithmetic and overflow shall be ignored. The sum of all 512 bytes of the data structure will be zero when the checksum is correct. Reserved All reserved fields shall be cleared to zero Hitachi hard disk drive specifications...
Page 83: Table 36 Sct Log Page And Direction
Action Code 4 (Features Control) supported Action Code 3 (Error Recovery Control) supported Action Code 2 (SCT Write Same) supported Obsolete SCT Feature Set supported (includes SCT status) Table 37 Identify Device Information Word 206 Hitachi hard disk drive specifications...
Page 84: Sct Command Protocol
Command Block Output Registers Register 7 6 5 4 3 2 1 0 Feature Sector Count Sector Number Cylinder Low Cylinder High Device/Head - D - Command Table 38 Output Registers of SCT Command Using SMART Hitachi hard disk drive specifications...
Page 85: Table 39 Input Registers Of Sct Command Using Smart
Sector Count Current Previous LBA Low Current Previous Reserved LBA Mid Current Previous LBA High Current Reserved Previous Reserved Device/Head - D - Command Table 40 Input Registers of SCT Command Using Write Log Ext Hitachi hard disk drive specifications...
Page 86: Table 41 Output Registers Of Sct Command Using Write Log Ext
HOB=0 Number of sectors (MSB) HOB=1 Reserved HOB=1 Reserved Device/Head Device/Head Status Status All ATA “previous” registers are reserved in Write Log Ext responses. Table 41 Output Registers of SCT Command Using Write Log Ext Hitachi hard disk drive specifications...
Page 87: Table 42 Key Sector Format
0001h Read/Write Long Sector Access (Not Supported) 0002h Write SCT Write Same 0003h Error Recovery Control 0004h Features Control 0005h Read SCT Data Table 0006h-BFFFh Reserved C000h-FFFFh Vendor Specific Table 43 SCT Action Code List Hitachi hard disk drive specifications...
Page 88: Table 44 Extended Status Code
Overlay switch failure in Long Sector Access command C004h Read Long failure C005h Write Long failure C006h Write Cache enable failure C007h-FFEFh Vendor Specific FFF0h-FFFEh Reserved FFFFh SCT command executing in background Table 44 Extended Status Code Hitachi hard disk drive specifications...
Page 89: Table 45 Input Registers Of Sct Data Transfer Using Smart
Current Previous LBA Low Current Previous Reserved LBA Mid Current Previous LBA High Current Reserved Previous Reserved Device/Head - D - Command 2Fh(Read)/3Fh(Write) Table 46 Input Registers of SCT Data Transfer using Read/Write Log Ext Hitachi hard disk drive specifications...
Page 90: Table 47 Input Registers Of Sct Status Request Using Smart
Sector Count Current Previous LBA Low Current Previous Reserved LBA Mid Current Previous LBA High Current Reserved Previous Reserved Device/Head - D - Command Table 48 Input Registers of SCT Status Request Using Read Log Ext Hitachi hard disk drive specifications...
Page 91 2‟s complement integer. 80h indicates that this value is invalid. Byte Life Max Temp Maximum HDA temperature degrees Celsius seen for the life of the drive. This is a 2‟s complement number. 80h indicates that this value is invalid. Hitachi hard disk drive specifications...
Page 92: Table 49 Data Format Of Sct Status Response
Min Op Limit. See table 93 for information about this Interval. 479:214 Byte[275] Reserved 511:480 Byte[32] Vendor Specific Table 49 Data Format of SCT Status Response Hitachi hard disk drive specifications...
Page 93: Sct Command Set
If Start LBA or Start LBA + Count go beyond the last user LBA then an error is reported and the SCT command is not executed. Issuing this command with a value of zero for Start LBA and Count will cause all LBAs of the drive to be written the specified pattern. Hitachi hard disk drive specifications...
Page 94 FFFFh SCT command executing in background Implementation note for Blocking Operation (Function code = 0101h, 0102h) In this mode, the drive will return command completion status when the drive finished the SCT Write Same operation. Hitachi hard disk drive specifications...
Page 95 Sector Number Extended Status code (MSB) Cylinder Low Cylinder High Device/Head Status Possible Extended Status Code for Blocking Operation (Function code = 0101h, 0102h) 0017h Blocking SCT Write Same command was terminated because of unrecoverable error Hitachi hard disk drive specifications...
Page 96: Table 52 Error Recovery Control Command (Inputs)
These timers do not apply to streaming commands, or to queued commands when out-of-order data delivery is enabled. These command timers are volatile. The default value is 0 (i.e. disable command time-out). Hitachi hard disk drive specifications...
Page 97: Table 54 Feature Control Command (Inputs)
If Function Code was 0002h, then this is the MSB of Feature State. If Function Code was 0003h, then this is the MSB of Option Flags. Otherwise, this field is reserved. Cylinder Low reserved Cylinder High reserved Device/Head reserved Status Table 55 Feature Control command (Outputs) Hitachi hard disk drive specifications...
Page 98: Table 56 Feature Code List
All remaining queue locations are set to 80h. The Sample Period, Max Op Limit, Over Limit, Min Op Limit and Under Limit values are preserved. Default value is 0001h. 0004h-CFFFh Reserved D000h-FFFFh Vendor Specific Table 56 Feature Code List Hitachi hard disk drive specifications...
Page 99: Table 57 Sct Data Table Command (Inputs)
Status Table 58 SCT Data Table command (Outputs) Table ID Description 0000h Invalid 0001h Reserved 0002h HDA Temperature History Table (in absolute degree C). See 0 0003h-CFFFh Reserved D000h-FFFFh Vendor Specific Table 59 Table ID Hitachi hard disk drive specifications...
Page 100 Queue Index 0000h is the first location in the buffer (at offset 34). The most recent temperature entered in the buffer is at Queue Index + 34. See Note 1 and Note 2. Hitachi hard disk drive specifications...
Page 101: Table 60 Data Format Of Hda Absolute Temperature History Table
Logging Interval, the Queue Index shall be set to zero and the first queue location shall be set to the current Absolute HDA Temperature value. All remaining queue locations are set to 80h. Table 60 Data Format of HDA Absolute Temperature History Table Hitachi hard disk drive specifications...
Page 102: Table 61 Extended Power Conditions Subcommands
Each of these power conditions has a set of current, saved and default settings. Default settings are not modifiable. Default and saved settings shall persist across power cycles. The current settings shall not persist across power cycles. Hitachi hard disk drive specifications...
Page 103: Power Condition Timers
Enable/Disable APM subcommands shall abort if IDENTIFY DEVICE data word 120 bit 7 is set to one. CheckPowerMode returns the same result as EPC NotSupport. During background activities, all EPC timers may be paused. On completion of the activity, any paused EPC timers shall be continued from where they were paused. Hitachi hard disk drive specifications...
Page 104: Pio Data Out Commands
Device Configuration Set  Download Microcode  Format Track  Security Disable Password  Security Erase Unit  Security Set Password  Security Unlock  Set Max Set Password command  Set Max Unlock command Hitachi hard disk drive specifications...
Page 105: Non-Data Commands
SMART Execute Off-line Data Collection  SMART Return Status  SMART Save Attribute Values  SMART Enable/Disable Automatic Off-Line  Standby  Standby Immediate  Write Uncorrectable Ext Execution of these commands involves no data transfer. Hitachi hard disk drive specifications...
Page 106: Dma Data In Commands And Dma Data Out Commands
If a command is marked by the host as high priority, the device shall attempt to provide better quality of service for the command. It is not required that devices process all high priority requests before satisfying normal priority requests. Hitachi hard disk drive specifications...
Page 107: Table 63 Command Set
Read Stream PIO Read Verify Sector(s) Read Verify Sector(s) Read Verify Sector(s) Ext Recalibrate Security Disable Password Security Erase Prepare Security Erase Unit Security Freeze Lock Security Set Password Security Unlock Table 63 Command Set Hitachi hard disk drive specifications...
Page 108: Table 64 Command Set --Continued
Write Uncorrectable Ext Protocol : PIO data IN command PIO data OUT command Non data command DMA command Vendor specific command Table 64 Command Set --Continued-- Commands marked * are alternate command codes for previous defined commands. Hitachi hard disk drive specifications...
Page 109: Table 65 Command Set (Subcommand)
Table 63 Command Set on the page 107 and Table 64 Command Set --Continued-- on the page 108 show the commands that are supported by the device. Table 65 Command Set (Subcommand) on the page 109 shows the sub-commands they are supported by each command or feature. Hitachi hard disk drive specifications...
Page 110 Please refer to ATA interface specifications about other commands‟ descriptions which are not described in this SATA interface specification. However, be careful that Serial ATA Device/Head register bit-4 (d) is different from that of Parallel ATA. In Serial ATA, Device/Head register bit-4 is reserved for all commands. Hitachi hard disk drive specifications...
Page 111: Table 66 Check Power Mode Command (E5H/98H)
Input Parameters From The Device Sector Count The power mode code. The command returns 0 in the Sector Count Register if the device is in Standby or Sleep mode. Otherwise, the Sector Count Register will be set to 0FFh. Hitachi hard disk drive specifications...
Page 112: Table 67 Configure Stream Command (51H)
 The device does not support the Streaming Feature Set.  A/R is cleared to zero and the Feature field contains a Stream ID that has not been sent in a previous CONFIGURE STREAM command. Hitachi hard disk drive specifications...
Page 113 CCTL is set to the minimum value. Actual minimum CCTL value is described in the ―Deviations from Standard‖ section. Sector Count Current Allocation Unit Size In Sectors (7:0) Sector Count Previous Allocation Unit Size In Sectors (15:8) Hitachi hard disk drive specifications...
Page 114: Table 68 Device Configuration Overlay Command (B1H)
Set command and returns the content of the Identify Device or Identify Packet Device command response to the original settings as indicated by the data returned from the execution of a Device Configuration Identify command. Hitachi hard disk drive specifications...
Page 115: Device Configuration Freeze Lock (Subcommand C1H)
Cylinder high = word 7 is invalid Cylinder low = bit 8-15 are valid Sector Number = bit 3 is invalid Sector count = now Security feature set is enabled Hitachi hard disk drive specifications...
Page 116: Table 70 Device Configuration Overlay Data Structure
1 = Support for WRITE UNCORRECTABLE is allowed 12-10 Reserved 1 = Extended Power Conditions feature set supported Reserved 22-254 Reserved Integrity word <Note .> 15-8 Checksum Signature (A5h) Table 70 Device Configuration Overlay Data structure Hitachi hard disk drive specifications...
Page 117: Table 71 Dco Error Information Definition
User attempt to disable any feature enabled Device is now SET MAX Locked or Frozen mode Protected area is now established DCO is not supported Subcommand code is invalid other reason Table 71 DCO error information definition Hitachi hard disk drive specifications...
Page 118: Table 72 Download Microcode Command (92H)
Sector Count register to create a 16-bit sector count value. The Sector Number register is the most significant eight bits and the Sector Count register is the least significant eight bits. A value of zero in both the Sector Hitachi hard disk drive specifications...
Page 119 If a software or hardware Reset is issued to the device before all of the microcode segments have been transferred to the device the device shall abandon all of the microcode segments received and process the Reset. Hitachi hard disk drive specifications...
Page 120: Table 73 Execute Device Diagnostic Command (90H)
Error Register. The normal Error Register bit definitions do not apply to this command. Instead, the register contains a Table 30 Diagnostic Codes” on the page 57 for its definition. diagnostic code. See Hitachi hard disk drive specifications...
Page 121: Table 74 Flush Cache Command (E7H)
DSC DRQ COR IDX ERR Table 74 Flush Cache Command (E7h) This command causes the device to complete writing data from its cache. The device returns good status after data in the write cache is written to disk media. Hitachi hard disk drive specifications...
Page 122: Table 75 Flush Cache Ext Command (Eah)
Table 75 Flush Cache Ext Command (EAh) This command causes the device to complete writing data from its cache. The device returns good status after data in the write cache is written to disk media. Hitachi hard disk drive specifications...
Page 123: Table 76 Format Track Command(50H)
Since device performance is optimal at 1:1 interleave, and the device uses relative block addressing internally, the device will always format a track in the same way no matter what sector numbering is specified in the format table. Hitachi hard disk drive specifications...
Page 124 In LBA mode, this register specifies current LBA address bits 24-27. (L=1) Error The Error Register. An Abort error (ABT=1) will be returned when LBA out of range. In LBA mode, this command formats a single logical track including the specified LBA. Hitachi hard disk drive specifications...
Page 125: Table 77 Format Unit Command (F7H)
All values in Feature register are reserved, and any values other than 11h should not be put into Feature register. This command does not request to data transfer. Command execution time depends on drive capacity. To determine command timeout value, Word 89 of Identify Device data should be referred. Hitachi hard disk drive specifications...
Page 126: Table 78 Identify Device Command (Ech)
Table 78 Identify Device Command (ECh) The Identify Device command requests the device to transfer configuration information to the host. The device will transfer a sector to the host containing the information described in the following pages. Hitachi hard disk drive specifications...
Page 127: Table 79 Identify Device Information
15(=0) : Shall be cleared to zero 14(=1) : Shall be set to one 13-1(=0) : Reserved for the Trusted Computing Group 0(=0) : 0=Trusted Computing feature set is not supported Table 79 Identify device information Hitachi hard disk drive specifications...
Page 128: Table 80 Identify Device Information --Continued
Advanced PIO Transfer Modes Supported '11' = PIO Mode 3 and 4 Supported Minimum Multiword DMA Transfer Cycle Time Per Word 0078H 15-0(=78) Cycle time in nanoseconds (120ns, 16.6MB/s) Table 80 Identify device information --Continued-- Hitachi hard disk drive specifications...
Page 129: Table 81 Identify Device Information --Continued
Software setting preservation 5(=0) Reserved 4(=0) In-order data delivery 3(=0) Device initiated interface power management 2(=0) DMA Setup Auto-Activate optimization 1(=0) Non-zero buffer offset in DMA Setup FIS 0(=0) Reserved Table 81 Identify device information --Continued-- Hitachi hard disk drive specifications...
Page 130: Table 82 Identify Device Information --Continued
WRITE CACHE 4 (=0) PACKET Command feature set 3 (=1) Power management feature set 2 (=0) Removable feature set 1 (=1) Security feature set 0 (=1) SMART feature Set Table 82 Identify device information --Continued-- Hitachi hard disk drive specifications...
Page 131: Table 83 Identify Device Information --Continued
DEVICE RESET command SERVICE interrupt RELEASE interrupt LOOK AHEAD WRITE CACHE PACKET Command feature set Power management feature set Removable media feature set Security feature set SMART feature set Table 83 Identify device information --Continued-- Hitachi hard disk drive specifications...
Page 132: Table 84 Identify Device Information --Continued
Valid CONFIGURE STREAM command has been executed 3 (=0) Media Card Pass Through Command feature set enabled 2 (=0) Media serial number is valid 1 (=1) SMART self-test supported 0 (=1) SMART error logging supported Table 84 Identify device information --Continued-- Hitachi hard disk drive specifications...
Page 133: Table 85 Identify Device Information --Continued
Read Log Ext command, and in the Command Completion Time Limit that is passed in streaming commands. The unit of time for this parameter shall be in microseconds, e.g. ad value of 10000 indicates 10 ms. Table 85 Identify device information --Continued-- Hitachi hard disk drive specifications...
Page 134: Table 86 Identify Device Information --Continued
0=Free-fall Control feature set is disabled 1=The segmented feature for download microcode is supported. 1=The READ/ WRITE LOG DMA EXT commands are supported. 1=Write Uncorrectable is supported. 0=Write-Read-Verify feature set is not enabled Reserved Table 86 Identify device information --Continued-- Hitachi hard disk drive specifications...
Page 135: Table 87 Identify Device Information --Continued
0= Not Support (Long Sector Access) SCT Feature Set 1= Support (includes SCT status) Table 87 Identify device information --Continued-- Note. The '*' mark in 'Content' field indicates the use of those parameters are vendor specific. Hitachi hard disk drive specifications...
Page 136: Table 88 Identify Device Information --Continued
3 236-254 0000H Reserved Checksum. This value is the two's complement of the sum of all bytes in byte 0 xxA5H 15-8 through 510 7-0 (A5) Signature Table 88 Identify device information --Continued-- Hitachi hard disk drive specifications...
Page 137: Table 89 Idle Command (E3H/97H)
When the Idle mode is entered, the device is spun up to operating speed. If the device is already spinning, the spin up sequence is not executed. During Idle mode the device is spinning and ready to respond to host commands immediately. Hitachi hard disk drive specifications...
Page 138 When the automatic power down sequence is enabled, the drive will enter Standby mode automatically if the timeout interval expires with no drive access from the host. The timeout interval will be reinitialized if there is a drive access before the timeout interval expires. Hitachi hard disk drive specifications...
Page 139: Table 90 Idle Immediate Command (E1H/95H)
The device is spun up to operating speed. If the device is already spinning, the spin up sequence is not executed. During Idle mode the device is spinning and ready to respond to host commands immediately. The Idle Immediate command will not affect to auto power down timeout parameter. Hitachi hard disk drive specifications...
Page 140: Table 91 Initialize Device Parameters Command (91H)
Note: The following conditions needs to be satisfied to avoid invalid number of cylinders beyond FFFFh. (Total number of user addressable sectors)/((Sector Count)*(H+1)) = < FFFFh The total number of user addressable sectors is described in Identify Device command. Hitachi hard disk drive specifications...
Page 141: Table 92 Read Buffer Command (E4H)
The sector transferred will be from the same part of the buffer written to by the last Write Buffer command. The contents of the sector may be different if any reads or writes have occurred since the Write Buffer command was issued. Hitachi hard disk drive specifications...
Page 142: Table 93 Read Dma Command (C8H/C9H)
DMARQ and are performed by the slave-DMA channel. The device issues only one interrupt per command to indicate that data transfer has terminated and status is available. If an uncorrectable error occurs, the read will be terminated at the failing sector. Hitachi hard disk drive specifications...
Page 143 In LBA mode, this register contains current LBA bits 8-15 (Low), 16-23 (High). (L=1) The head number of the sector to be transferred. (L=0) In LBA mode, this register contains current LBA bits 24-27. (L=1) Hitachi hard disk drive specifications...
Page 144: Table 94 Read Dma Ext Command (25H)
DMARQ and are performed by the slave-DMA channel. The device issues only one interrupt per command to indicate that data transfer has terminated and status is available. If an uncorrectable error occurs, the read will be terminated at the failing sector. Hitachi hard disk drive specifications...
Page 145 Cylinder Low (HOB=1) LBA (39:32)of the address of the first unrecoverable error. Cylinder High (HOB=0) LBA (23:16)of the address of the first unrecoverable error. Cylinder High (HOB=1) LBA (47:40)of the address of the first unrecoverable error. Hitachi hard disk drive specifications...
Page 146: Table 95 Read Fpdma Queued Command (60H)
The Read FPDMA command reads one or more sectors of data from disk media, and then transfers the data from the device to the host. If an uncorrectable error occurs, the read will be terminated at the failing sector. Hitachi hard disk drive specifications...
Page 147 Cylinder Low (HOB=1) LBA (39:32)of the address of the first unrecoverable error. Cylinder High (HOB=0) LBA (23:16)of the address of the first unrecoverable error. Cylinder High (HOB=1) LBA (47:40)of the address of the first unrecoverable error. Hitachi hard disk drive specifications...
Page 148: Table 96 Read Log Ext Command (2Fh)
Device/Head Device/Head Command Status ...See Below... Error Register Status Register Table 96 Read Log Ext Command (2Fh) This command returns the specified log to the host. The device shall interrupt for each DRQ block transferred. Hitachi hard disk drive specifications...
Page 149: Table 97 Log Address Definition
If the feature set associated with the log specified in the Sector Number register is not supported or enabled, or if the values in the Sector Count, Sector Number or Cylinder Low registers are invalid, the device shall return command aborted. Hitachi hard disk drive specifications...
Page 150: Table 98 General Purpose Log Directory
The value of the General Purpose Logging Version word shall be 0001h. A value of 0000h indicates that there is no General Purpose Log Directory. The logs at log addresses 80-9Fh shall each be defined as 16 sectors long. Hitachi hard disk drive specifications...
Page 151: Table 99 Extended Comprehensive Smart Error Log
The next error after that shall create an error log data structure that replaces the second error log structure, etc. Unused error log data structures shall be filled with zeros. Data format of each error log structure is shown below. Hitachi hard disk drive specifications...
Page 152: Table 100 Extended Error Log Data Structure
Note: bits (7:0) refer to the most recently written contents of the register. Bits (15:8) refer to the contents of the register prior to the most recent write to the register. Table 101 Command data structure Hitachi hard disk drive specifications...
Page 153: Table 102 Error Data Structure
State shall contain a value indicating the state of the device when the command was issued to the device or the reset occurred as described below. Value State Unknown Sleep Standby Active/Idle SMART Off-line or Self-test x5h-xAh Reserved xBh-xFh Vendor specific Note: The value of x is vendor specific. Hitachi hard disk drive specifications...
Page 154: Extended Self-Test Log Sector
The value of this revision number shall be 01h. 11.18.3.2 Self-test descriptor index This indicates the most recent self-test descriptor. If there have been no self-tests, this is set to zero. Valid values for the Self-test descriptor index are 0 to 18. Hitachi hard disk drive specifications...
Page 155: Power Conditions Log
1= Default Idle_a timer is enabled 0= Default Idle_a timer is disabled 11 Saved Timer Enabled 1= Saved Idle_a timer is enabled 0= Saved Idle_a timer is disabled 10 Current Timer Enabled 1= Current Idle_a timer is enabled Hitachi hard disk drive specifications...
Page 156 . A value of FFFF_FFFFh indicates that the maximum timer value is greater than or equal to 429 496 729 500 milliseconds. Measurement Units: 100 milliseconds This value shall be preserved over all resets 28..31 DWord Reserved Hitachi hard disk drive specifications...
Page 157: Command Error
The Data Structure Checksum (Byte 511) contains the 2‟s complement of the sum of the first 511 bytes in the data structure. The sum of all 512 bytes of the data structure will be zero when the checksum is correct. Hitachi hard disk drive specifications...
Page 158: Table 106 Read Stream Error Log
Structure Version Error Log Index Read Stream Error Log Count Reserved Read Stream Error Log Entry #1 Read Stream Error Log Entry #2 Read Stream Error Log Entry #31 1F0h Table 106 Read Stream Error Log Hitachi hard disk drive specifications...
Page 159: Table 107 Stream Error Log Entry
Byte (9:4) indicates the starting LBA of the error. Byte (13:12) indicate the length of the error. Therefore, each entry may describe a range of sectors at the given address and spanning the specified number of sectors. Hitachi hard disk drive specifications...
Page 160: Table 108 Write Stream Error Log
The Error Log Index indicates the error log data structure representing the most recent error. Only values (31:0) are valid. Table 106 defines the format of each entry in the Error Log. Hitachi hard disk drive specifications...
Page 161: Streaming Performance Log
Difference in position from last stream access to new stream access n-(n+1) Time that may be required to begin access at new stream access position, in (n+2)-(n+3) (Identify Device words (99:98))/256 time units Table 112 Access Time Array Entry (Linearly Interpolated) Hitachi hard disk drive specifications...
Page 162: Table 113 Read Multiple Command (C4H)
The sectors are transferred through the Data Register 16 bits at a time. Command execution is identical to the Read Sector(s) command except that an interrupt is generated for each block (as defined by the Set Multiple command) instead of for each sector. Hitachi hard disk drive specifications...
Page 163: Table 114 Read Multiple Ext Command (29H)
The sectors are transferred through the Data Register 16 bits at a time. Command execution is identical to the Read Sector(s) command except that an interrupt is generated for each block (as defined by the Set Multiple command) instead of for each sector. Hitachi hard disk drive specifications...
Page 164 LBA (39:32) of the address of the first unrecoverable error. Cylinder High (HOB=0) LBA (23:16) of the address of the first unrecoverable error. Cylinder High (HOB=1) LBA (47:40) of the address of the first unrecoverable error. Hitachi hard disk drive specifications...
Page 165: Table 115 Read Native Max Address (F8H)
In LBA mode, this register contains native max LBA bits 8-15 (Low), 16-23 (High). (L=1) In CHS mode, this register contains native max cylinder number. (L=0) In LBA mode, this register contains native max LBA bits 24-27. (L=1) In CHS mode, this register contains native max head number.(L=0) Hitachi hard disk drive specifications...
Page 166: Table 116 Read Native Max Address Ext (27H)
LBA (39:32) of the address of the Native max address. Cylinder High (HOB=0) LBA (23:16) of the address of the Native max address. Cylinder High (HOB=1) LBA (47:40) of the address of the Native max address. Hitachi hard disk drive specifications...
Page 167: Table 117 Read Sector(S) Command (20H/21H)
The Read Sector(s) command reads one or more sectors of data from disk media, and then transfers the data from the device to the host. The sectors are transferred through the Data Register 16 bits at a time. If an uncorrectable error occurs, the read will be terminated at the failing sector. Hitachi hard disk drive specifications...
Page 168 In LBA mode, this register contains current LBA bits 8 – 15 (Low), 16 – 23 (High). (L=1) The head number of the last transferred sector. (L=0) In LBA mode, this register contains current LBA bits 24 – 27. (L=1) Hitachi hard disk drive specifications...
Page 169: Table 118 Read Sector(S) Ext Command (24H)
The sectors are transferred through the Data Register 16 bits at a time. If an uncorrectable error occurs, the read will be terminated at the failing sector. Hitachi hard disk drive specifications...
Page 170 LBA (39:32) of the address of the first unrecoverable error. Cylinder High (HOB=0) LBA (23:16) of the address of the first unrecoverable error. Cylinder High (HOB=1) LBA (47:40) of the address of the first unrecoverable error. Hitachi hard disk drive specifications...
Page 171: Table 119 Read Stream Dma Command (2Ah)
Command Completion Time Limit expired by setting the CCTO bit in the error log to one, In all cases, the device shall attempt to transfer the amount of data requested within the Command Hitachi hard disk drive specifications...
Page 172 LBA (7:0) of the address of the first unrecoverable error. Sector Number (HOB=1) LBA (31:24) of the address of the first unrecoverable error. Cylinder Low (HOB=0) LBA (15:8) of the address of the first unrecoverable error. Hitachi hard disk drive specifications...
Page 173 ICRC, UNC, IDNF, ABRT, or CCTO error occurs, the SE bit shall be set to one, the ERR bit shall be cleared to zero, and the bits that would normally be set in the Error register shall be set in the error log. Hitachi hard disk drive specifications...
Page 174: Table 120 Read Stream Pio Command (2Bh)
Command Completion Time Limit expired by setting the CCTO bit in the error log to one, In all cases, the device shall attempt to transfer the amount of data requested within the Command Completion Time Limit event if some data transferred is in error. Hitachi hard disk drive specifications...
Page 175 LBA (15:8) of the address of the first unrecoverable error. Cylinder Low (HOB=1) LBA (39:32) of the address of the first unrecoverable error. Cylinder High (HOB=0) LBA (23:16) of the address of the first unrecoverable error. Hitachi hard disk drive specifications...
Page 176 UNC, IDNF, ABRT, or CCTO error occurs, the SE bit shall be set to one, the ERR bit shall be cleared to zero, and the bits that would normally be set in the Error register shall be set in the error log. Hitachi hard disk drive specifications...
Page 177: Table 121 Read Verify Sector(S) Command (40H/41H)
The difference between Read Sector(s) command and Read Verify Sector(s) command is whether the data is transferred to the host or not. If an uncorrectable error occurs, the read verify will be terminated at the failing sector. Hitachi hard disk drive specifications...
Page 178 In LBA mode, this register contains current LBA bits 8 – 15 (Low), 16 – 23 (High). (L=1) The head number of the last transferred sector. (L=0) In LBA mode, this register contains current LBA bits 24 – 27. (L=1) Hitachi hard disk drive specifications...
Page 179: Table 122 Read Verify Sector(S) Ext Command (42H)
The difference between the Read Sector(s) Ext command and the Read Verify Sector(s) Ext command is whether the data is transferred to the host or not. If an uncorrectable error occurs, the Read Verify Sector(s) Ext will be terminated at the failing sector. Hitachi hard disk drive specifications...
Page 180 LBA (39:32) of the address of the first unrecoverable error. Cylinder High (HOB=0) LBA (23:16) of the address of the first unrecoverable error. Cylinder High (HOB=1) LBA (47:40) of the address of the first unrecoverable error. Hitachi hard disk drive specifications...
Page 181: Table 123 Recalibrate Command (1Xh)
Table 123 Recalibrate Command (1xh) The Recalibrate command moves the read/write heads from anywhere on the disk to cylinder 0. If the device cannot reach cylinder 0, T0N (Track 0 Not Found) will be set in the Error Register. Hitachi hard disk drive specifications...
Page 182: Table 124 Security Disable Password Command (F6H)
(device lock function). This command does not change the Master Password which may be re-activated later by setting User Password. This command should be executed in device unlock mode. When security is disabled and the Identifier bit is set to User, then the device shall return command aborted. Hitachi hard disk drive specifications...
Page 183: Table 125 Password Information For Security Disable Password Command
The device will compare the password sent from this host with that specified in the control word. Identifier Zero indicates that the device should check the supplied password against the user password stored internally. One indicates that the device should check the given password against the master password stored internally. Hitachi hard disk drive specifications...
Page 184: Table 126 Security Erase Prepare Command (F3H)
The Security Erase Prepare Command must be issued immediately before the Format Unit Command. This command is to prevent accidental erasure of the device. This command does not request to transfer data. Hitachi hard disk drive specifications...
Page 185: Table 127 Security Erase Unit Command (F4H)
This command requests to transfer a single sector data from the host including information specified in on the page 185. When security is disabled and the Identifier bit is set to User, then the device shall return command aborted. Hitachi hard disk drive specifications...
Page 186: Table 128 Erase Unit Information
NOT compared with the password stored in the device for both the Master Password and the User Password, and then the device only erases all user data. The execution time of this command is set in word 89 of Identify device information. Hitachi hard disk drive specifications...
Page 187: Table 129 Security Freeze Lock Command (F5H)
Frozen mode is quit only by Power off. Table 32 Table The following commands are rejected when the device is in frozen mode. For detail, refer to on the page 6768. Security Set Password Security Unlock Security Disable Password Security Erase Unit Hitachi hard disk drive specifications...
Page 188: Table 130 Security Set Password Command (F1H)
This command requests a transfer of a single sector of data from the host including the information specified in Table 130 on the page 188. The data transferred controls the function of this command. Hitachi hard disk drive specifications...
Page 189: Table 131 Security Set Password Information
The master password previously set is still stored in the file but may NOT be used to unlock the device. Identifier=Master / Security level = Maximum This combination will set a master password but will NOT enable the security mode feature (lock function). Hitachi hard disk drive specifications...
Page 190: Table 132 Security Unlock Command (F2H)
This counter is initially set to 5 and is decremented for each password mismatch. When security is disabled and the Identifier bit is set to User, then the device shall return command aborted. Hitachi hard disk drive specifications...
Page 191: Table 133 Security Unlock Information
AFTER the password information has been sent to the device. If an abort error is returned by the device BEFORE the password data has been sent to the file then another problem exists. Hitachi hard disk drive specifications...
Page 192: Table 134 Seek Command (7Xh)
Sector Number In LBA mode, this register contains current LBA bits 8 – 15 (Low), 16 – 23 (High). Cylinder High/Low (L=1) In LBA mode, this register contains current LBA bits 24 – 27. (L=1) Hitachi hard disk drive specifications...
Page 193: Table 135 Sense Condition Command(F0H)
Sector Count The Sector Count register contains result value. Value Description Temperature is equal to or lower than -20 degC 01h-FEh Temperature is (Value / 2 - 20) deg C Temperature is higher than 107 degC Hitachi hard disk drive specifications...
Page 194: Table 136 Set Features Command (Efh)
The Set Feature command is to establish the following parameters which affect the execution of certain features as shown in below table. ABT will be set to 1 in the Error Register if the Feature register contains any undefined values. Hitachi hard disk drive specifications...
Page 195 After power on reset or hard reset, the device is set to the following features as default. Write cache : Enable Read look-ahead : Enable Reverting to power on defaults : Disable Release interrupt : Disable Hitachi hard disk drive specifications...
Page 196: Set Transfer Mode
=N/A(the device does not go to Low RPM idle mode) When Low RPM idle mode is the deepest Power Saving mode and the value in Sector Count register is between 40h and 7Fh, 120<=Y <=435 [sec] (default: 120 [sec]) Hitachi hard disk drive specifications...
Page 197: Set Maximum Host Interface Sector Time
The Typical PIO Mode Host Interface Sector Time includes the host‟s interrupt service time. Hitachi hard disk drive specifications...
Page 198: Extended Power Conditions (Epc) Feature
If any selected Power Condition: a) is not supported. b) is not changeable. c) if Save is set to one and any selected power condition is not saveable, then the device shall return command aborted . Hitachi hard disk drive specifications...
Page 199 CRC UNC ABT T0N AMN BSY RDY DSC DRQ COR IDX Error Output If the Power condition ID is FFh, a reserved value, or is not supported, then the device shall return command aborted . Hitachi hard disk drive specifications...
Page 200: Table 138 Parameter
If the Timer Units bit is cleared to zero, then the Timer (15:0) shall be specified in units of 100 milliseconds. If the Timer Units bit is set to one, then the Timer (15:0) shall be specified in units of 1 minute. Table 138 Parameter Hitachi hard disk drive specifications...
Page 201 If command aborted is returned, then the device shall make no modifications to the power condition settings. Maximum Setting is FFFFh (100ms unit). Minimum Setting is zero. Hitachi hard disk drive specifications...
Page 202: Table 139 Parameter
If the Save bit is set to one and the selected power condition is not saveable, then the device shall return command aborted. If command aborted is returned, then the device shall make no modifications to the power condition settings. Hitachi hard disk drive specifications...
Page 203: Table 140 Set Max Address (F9H)
If the 48-bit Address feature set is supported, the value placed in Identify Device response words (103:100) shall be the same as the value placed in words (61:60). However, if the device contains greater than 268,435,455 sectors, the capacity addressable with 28-bit commands, and the address requested is 268,435,455, the max Hitachi hard disk drive specifications...
Page 204 In CHS mode, this register contains max cylinder number which is set. (L=0) In LBA mode, this register contains max LBA bits 24 – 27 which is set. (L=1) In CHS mode, this register contains max head number.(L=0) Hitachi hard disk drive specifications...
Page 205: Table 141 Set Max Set Password
The password is retained by the device until the next power cycle. When the device accepts this command the device is in Set_Max_Unlocked state. Word Description Reserved 01-16 Password (32 byte) 17-255 Reserved Table 142 Set Max Set Password data contents Hitachi hard disk drive specifications...
Page 206: Table 143 Set Max Lock
Set Max Unlock and Set Max Freeze Lock are rejected. The device remains in this state until a power cycle or the acceptance of a Set Max Unlock or Set Max Freeze Lock command. Hitachi hard disk drive specifications...
Page 207: Table 144 Set Max Unlock (F9H)
Set Max Unlock commands are rejected until a hard reset or a power off. If the password compares matches, then the device set the Set_Max_Unlocked state and all Set Max commands shall be accepted. Hitachi hard disk drive specifications...
Page 208: Table 145 Set Max Freeze Lock (F9H)
The Set Max Freeze Lock command sets the device to Set_Max_Frozen state. After command completion any subsequent Set Max commands are rejected. Commands disabled by Set Max Freeze Lock are: Set Max Address Set Max Set PASSWORD Set Max Lock Set Max Unlock Hitachi hard disk drive specifications...
Page 209: Table 146 Set Max Address Ext Command (37H)
(61:60) shall not be modified. When the address requested is equal to or less than 268,435,455, words (103:100) shall be modified to reflect the requested value, and words (61:60) shall also be modified. Hitachi hard disk drive specifications...
Page 210 Sector Number (HOB=1) Set Max LBA (31:24). Cylinder Low (HOB=0) Set Max LBA (15:8). Cylinder Low (HOB=1) Set Max LBA (39:32). Cylinder High (HOB=0) Set Max LBA (23:16). Cylinder High (HOB=1) Set Max LBA (47:40). Hitachi hard disk drive specifications...
Page 211: Table 147 Set Multiple Command (C6H)
The block size to be used for Read Multiple and Write Multiple commands. Valid block sizes can be selected from 0, 1, 2, 4, 8 or 16. If 0 is specified, then Read Multiple and Write Multiple commands are disabled. Hitachi hard disk drive specifications...
Page 212: Table 148 Sleep Command (E6H/99H)
The device is spun down and the interface becomes inactive. If the device is already spun down, the spin down sequence is not executed. The only way to recover from Sleep Mode is with a software reset or a hardware reset. Hitachi hard disk drive specifications...
Page 213: Table 149 Smart Function Set Command (B0H)
The SMART Function Set command has several separate subcommands which are selectable via the device‟s Features Register when the SMART Function Set command is issued by the host. Hitachi hard disk drive specifications...
Page 214: Smart Subcommand
The SMART Disable Operations subcommand disables the autosave feature along with the device‟s SMART operations. Upon the receipt of the subcommand from the host, the device asserts BSY, enables or disables the Autosave feature, clears BSY and asserts INTRQ. Hitachi hard disk drive specifications...
Page 215 Set ERR to one when self-test has failed Error Set ABRT to one when self-test has failed Cyl Low Set to F4h when self-test has failed Cyl High Set to 2Ch when self-test has failed Hitachi hard disk drive specifications...
Page 216: Table 150 Log Sector Addresses
– with the exception of SMART Enable Operations – are disabled, and invalid and will be aborted by the device (including the SMART Disable Operations subcommand), returning the error code as specified in 0 on the page 230. Hitachi hard disk drive specifications...
Page 217 Any other non-zero value written by the host into this register before issuing this subcommand is vender specific and will not change the current Automatic Off-Line Data Collection, but the device may respond with the error code specified in 0 on the page.230 Hitachi hard disk drive specifications...
Page 218: Device Attributes Data Structure
11.43.2.1 Data Structure Revision Number The Data Structure Revision Number identifies which version of this data structure is implemented by the device. This revision number identifies both the Attribute Value and Attribute Threshold Data structures. Hitachi hard disk drive specifications...
Page 219: Table 152 Individual Attribute Data Structure
Power-On Hours Count Spin Retry Count Device Power Cycle Count Power off Retract count Load Cycle count Temperature Reallocation Event Count Current Pending Sector Count Off-Line Scan Uncorrectable Sector Count Ultra DMA CRC Error Count Hitachi hard disk drive specifications...
Page 220 Bits 0 thru 6 represents a hexadecimal status value reported by the device. Value Definition Off-line data collection never started All segments completed without errors. Off-line data collection suspended by interrupting command Off-line data collecting aborted by interrupting command Off-line data collection aborted with fatal error Hitachi hard disk drive specifications...
Page 221 The device supports Off-line Read Scanning Self-test implemented bit Self-test routine is not implemented Self-test routine is implemented Reserved (0) Selective self-test implemented bit Selective self-test routine is not implemented Selective self-test routine is implemented Hitachi hard disk drive specifications...
Page 222 These bytes are the minimum time in minutes to complete self-test. 11.43.2.11 Data Structure Checksum The Data Structure Checksum is the 2‟s compliment of the result of a simple 8-bit addition of the first 511 bytes in the data structure. Hitachi hard disk drive specifications...
Page 223: Table 153 Device Attribute Thresholds Data Structure
These values are preset at the factory and are not meant to be changeable. 11.43.3.5 Data Structure Checksum The Data Structure Checksum is the 2‟s compliment of the result of a simple 8-bit addition of the first 511 bytes in the data structure. Hitachi hard disk drive specifications...
Page 224: Table 155 Smart Log Directory
Number of sectors in the log at log address 255 1Feh Reserved 1FFh Table 155 SMART Log Directory The value of the SMART Logging Version word shall be 01h. The logs at log addresses 80-9Fh shall each be defined as 16 sectors long. Hitachi hard disk drive specifications...
Page 225: Table 156 Smart Summary Error Log Sector
Error log index This points the most recent error log data structure. Only values 1 through 5 are valid. 11.43.5.3 Device error count This field contains the total number of errors. The value will not roll over. Hitachi hard disk drive specifications...
Page 226: Table 157 Error Log Data Structure
Command data structure: Data format of each command data structure is shown below. Description Bytes Offset Device Control register Features register Sector count register Sector number register Cylinder Low register Cylinder High register Device/Head register Command register Timestamp (milliseconds from Power On) Table 158 Command data structure Hitachi hard disk drive specifications...
Page 227: Table 159 Error Data Structure
State field contains a value indicating the device state when command was issued to the device. Value State Unknown Sleep Standby Active/Idle SMART Off-line or Self-test x5h-xAh Reserved xBh-xFh Vendor specific Note: The value of x is vendor specific. Hitachi hard disk drive specifications...
Page 228: Table 160 Self-Test Log Data Structure
After 21 descriptors have been recorded, the oldest descriptor will be overwritten with new descriptor. Self-test index points the most recent descriptor. When there is no descriptor the value is 0. When there is descriptor(s) the value is 1 through 21. Hitachi hard disk drive specifications...
Page 229: Table 161 Selective Self-Test Log Data Structure
When set to one, perform off-line scan after selective test. Vendor specific When set to one, off-line scan after selective test is pending. When set to one, off-line scan after selective test is active. 5-15 Reserved. Table 162 Selective self-test feature flags Hitachi hard disk drive specifications...
Page 230: Error Reporting
The device is unable to read its Attribute Values or Attribute Thresholds data 10h or 40h structure. The device is unable to write to its Attribute Values data structure. 10h or 01h Table 163 SMART Error Codes Hitachi hard disk drive specifications...
Page 231: Table 164 Standby Command (E2H/96H)
During the Standby mode the device will respond to commands, but there is a delay while waiting for the spindle to reach operating speed. The automatic power down sequence is enabled and the timer starts counting down when the drive returns to Idle mode. Hitachi hard disk drive specifications...
Page 232 When the automatic power down sequence is enabled, the drive will enter Standby mode automatically if the timeout interval expires with no drive access from the host. The timeout interval will be reinitialized if there is a drive access before the timeout interval expires. Hitachi hard disk drive specifications...
Page 233: Table 165 Standby Immediate Command (E0H/94H)
During the Standby mode, the device will respond to commands, but there is a delay while waiting for the spindle to reach operating speed. The Standby Immediate command will not affect the auto power down timeout parameter. Hitachi hard disk drive specifications...
Page 234: Table 166 Write Buffer Command (E8H)
Data Register 16 bits at a time. The Read Buffer and Write Buffer commands are synchronized such that sequential Write Buffer and Read Buffer commands access the same 512 byte within the buffer. Hitachi hard disk drive specifications...
Page 235: Table 167 Write Dma Command (Cah/Cbh)
The device issues only one interrupt per command to indicate that data transfer has terminated and status is available. If an uncorrectable error occurs, the write will be terminated at the failing sector. Hitachi hard disk drive specifications...
Page 236 In LBA mode, this register contains current LBA bits 8 – 15 (Low), 16 – 23 (High). (L=1) The head number of the last transferred sector. (L=0) In LBA mode, this register contains current LBA bits 24 – 27. (L=1) Hitachi hard disk drive specifications...
Page 237: Table 168 Write Dma Fua Ext Command (3Dh)
The device issues only one interrupt per command to indicate that data transfer has terminated and status is available. If an unrecoverable error occurs, the write will be terminated at the failing sector. Hitachi hard disk drive specifications...
Page 238 LBA (39:32) of the address of the first unrecoverable error. Cylinder High (HOB=0) LBA (23:16) of the address of the first unrecoverable error. Cylinder High (HOB=1) LBA (47:40) of the address of the first unrecoverable error. Hitachi hard disk drive specifications...
Page 239: Table 169 Write Dma Ext Command (35H)
The device issues only one interrupt per command to indicate that data transfer has terminated and status is available. If an uncorrectable error occurs, the write will be terminated at the failing sector Hitachi hard disk drive specifications...
Page 240 LBA (39:32) of the address of the first unrecoverable error. Cylinder High (HOB=0) LBA (23:16) of the address of the first unrecoverable error. Cylinder High (HOB=1) LBA (47:40) of the address of the first unrecoverable error. Hitachi hard disk drive specifications...
Page 241: Table 170 Write Fpdma Queued Command (61H)
The Write FPDMA Queued command transfers one or more sectors of data from the host to the device, and then the data is written to the disk media. If an unrecoverable error occurs, the write will be terminated at the failing sector Hitachi hard disk drive specifications...
Page 242 Cylinder Low (HOB=1) LBA (39:32)of the address of the first unrecoverable error. Cylinder High (HOB=0) LBA (23:16)of the address of the first unrecoverable error. Cylinder High (HOB=1) LBA (47:40)of the address of the first unrecoverable error. Hitachi hard disk drive specifications...
Page 243: Table 171 Write Log Ext Command (3Fh)
Error Register Status Register Table 171 Write Log Ext Command (3Fh) This command writes a specified number of 512 byte data sectors to the specific log. The device shall interrupt for each DRQ block transferred. Hitachi hard disk drive specifications...
Page 244 Sector Count, Sector Number or Cylinder Low registers are invalid, the device shall return command aborted. If the host attempts to write to a read only log address, the device shall return command aborted. Hitachi hard disk drive specifications...
Page 245: Table 172 Write Multiple Command (C5H)
Command execution is identical to the Write Sector(s) command except that an interrupt is generated for each block (as defined by the Set Multiple command) instead of for each sector. The sectors are transferred through the Data Register 16 bits at a time. Hitachi hard disk drive specifications...
Page 246 In LBA mode, this register contains current LBA bits 8 - 15 (Low), 16 - 23 (High). (L=1) The head number of the last transferred sector. (L=0) In LBA mode, this register contains current LBA bits 24 - 27. (L=1) Hitachi hard disk drive specifications...
Page 247: Table 173 Write Multiple Ext Command (39H)
Command execution is identical to the Write Sector(s) Ext command except that an interrupt is generated for each block (as defined by the Set Multiple command) instead of for each sector. The sectors are transferred through the Data Register 16 bits at a time. Hitachi hard disk drive specifications...
Page 248 LBA (39:32) of the address of the first unrecoverable error. Cylinder High (HOB=0) LBA (23:16) of the address of the first unrecoverable error. Cylinder High (HOB=1) LBA (47:40) of the address of the first unrecoverable error. Hitachi hard disk drive specifications...
Page 249: Table 174 Write Multiple Fua Ext Command (Ceh)
Command execution is identical to the Write Sector(s) Ext command except that an interrupt is generated for each block (as defined by the Set Multiple command) instead of for each sector. The sectors are transferred through the Data Register 16 bits at a time. Hitachi hard disk drive specifications...
Page 250 LBA (39:32) of the address of the first unrecoverable error. Cylinder High (HOB=0) LBA (23:16) of the address of the first unrecoverable error. Cylinder High (HOB=1) LBA (47:40) of the address of the first unrecoverable error. Hitachi hard disk drive specifications...
Page 251: Table 175 Write Sector(S) Command (30H/31H)
The Write Sector(s) command transfers one or more sectors from the host to the device,and then the data is written to the disk media. The sectors are transferred through the Data Register 16 bits at a time. If an uncorrectable error occurs, the write will be terminated at the failing sector. Hitachi hard disk drive specifications...
Page 252 In LBA mode, this register contains current LBA bits 8 - 15 (Low), 16 - 23 (High). (L=1) The head number of the last transferred sector. (L=0) In LBA mode, this register contains current LBA bits 24 - 27. (L=1) Hitachi hard disk drive specifications...
Page 253: Table 176 Write Sector(S) Ext Command (34H)
The Write Sector(s) Ext command transfers one or more sectors from the host to the device, and then the data is written to the disk media. The sectors are transferred through the Data Register 16 bits at a time. If an uncorrectable error occurs, the write will be terminated at the failing sector. Hitachi hard disk drive specifications...
Page 254 LBA (39:32) of the address of the first unrecoverable error. Cylinder High (HOB=0) LBA (23:16) of the address of the first unrecoverable error. Cylinder High (HOB=1) LBA (47:40) of the address of the first unrecoverable error. Hitachi hard disk drive specifications...
Page 255: Table 177 Write Stream Dma Command (3Ah)
Command Completion Time Limit expired by setting the CCTO bit in the error log to one, In all cases, the device shall attempt to transfer the amount of data requested within the Command Completion Time Limit event if some data transferred is in error. Hitachi hard disk drive specifications...
Page 256 LBA (15:8). Cylinder Low Previous LBA (39:32). Cylinder High Current LBA (23:16). Cylinder High Previous LBA (47:40). Input Parameters From The Device Sector Number (HOB=0) LBA (7:0) of the address of the first unrecoverable error. Hitachi hard disk drive specifications...
Page 257 LBA (23:16) of the address of the first unrecoverable error. Cylinder High (HOB=1) LBA (47:40) of the address of the first unrecoverable error. CCTO (Error, bit 0) CCTO bit shall be set to one if a Command Completion Time Limit Out error has occurred. Hitachi hard disk drive specifications...
Page 258: Table 178 Write Stream Pio Command (3Bh)
Command Completion Time Limit expired by setting the CCTO bit in the error log to one, In all cases, the device shall attempt to transfer the amount of data requested within the Command Completion Time Limit event if some data transferred is in error. Hitachi hard disk drive specifications...
Page 259 Sector Count register, then 65,536 sectors will be transferred. Sector Number Current LBA (7:0). Sector Number Previous LBA (31:24). Cylinder Low Current LBA (15:8). Cylinder Low Previous LBA (39:32). Cylinder High Current LBA (23:16). Cylinder High Previous LBA (47:40). Hitachi hard disk drive specifications...
Page 260 LBA (23:16) of the address of the first unrecoverable error. Cylinder High (HOB=1) LBA (47:40) of the address of the first unrecoverable error. CCTO (Error, bit 0) CCTO bit shall be set to one if a Command Completion Time Limit Out error has occurred. Hitachi hard disk drive specifications...
Page 261: Write Uncorrectable Ext (45H)
It is possible that an „uncorrectable‟ sector location has actual physical errors. In this case read commands and/or write commands shall return ERR status information that is consistent with the error. The pseudo uncorrectable or Hitachi hard disk drive specifications...
Page 262 LBA (39:32) of the address of the first unrecoverable error. Cylinder High (HOB=0) LBA (23:16) of the address of the first unrecoverable error. Cylinder High (HOB=1) LBA (47:40) of the address of the first unrecoverable error. Hitachi hard disk drive specifications...
Page 263: Timings
PIO SETUP FIS for data-out The host sets BSY(=1) to the The device sets BSY(=0) and 30 sec transfer Status Register DRQ(=1) to the Status Register and sends a PIO SETUP FIS to the host. Table 180 Timeout Values Hitachi hard disk drive specifications...
Page 264: Table 181 Timeout Values --Continued
The abbreviations "ns", "us", "ms" and "sec" mean nanoseconds, microseconds, milliseconds and seconds, respectively. We recommend that the host system executes Soft reset and then retries to issue the command if the host system timeout would occur for the device. Hitachi hard disk drive specifications...
Page 265 Read Verify Sector(s) Ext (42h) ........179 Recalibrate (1xh) ............181 First-party DMA commands ..........106 Security Disable Password (F6h) ........182 Flush to Disk bit ............. 76 Security Erase Prepare (F3h) .......... 184 Security Erase Unit (F4h) ..........185 Hitachi hard disk drive specifications...
Page 266 Power Mode ..............59 Power On Reset ............... 56 Write Cache Function ............. 71 Write Continuous bit ............76 RDY .................. 55 WTG ................. 51 Read Continuous bit ............76 Read Native Max ADDRESS ..........69 Hitachi hard disk drive specifications...
Page 267 Hitachi hard disk drive specifications...

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