IBM Travelstar 20GN Manuals

Manuals and User Guides for IBM Travelstar 20GN. We have 2 IBM Travelstar 20GN manuals available for free PDF download: Specifications, Quick Installation Manual

IBM Travelstar 20GN Specifications (211 pages)

2.5 inch ATA/IDE hard disk drive

Brand: IBM | Category: Storage | Size: 0.54 MB

Hard Disk Drive Specifications
1
Table of Contents
5
List of Figures

11
1 Introduction

15
- Abbreviations
  15
- References
  17
- General Caution
  17
- Drive Handling Precautions
  18
- Figure 1. Drive Handling Precautions
  18
2 General Features

19
Part 1. Functional Specification

21
3 Fixed Disk Subsystem Description

23
- Control Electronics
  23
- Head Disk Assembly Data
  23
4 Fixed Disk Characteristics

25
5 Data Integrity

33
- Data Loss on Power off
  33
- Write Cache
  33
- Equipment Status
  33
- WRITE Safety
  34
- Data Buffer Test
  34
- Error Recovery
  34
- Automatic Reallocation
  34
  - Nonrecovered Write Errors
    34
  - Nonrecoverable Read Error
    34
  - Recovered Read Errors
    34
- Ecc
  35
- Figure 14. Examples of Error Cases
  35
6 Specification

37
- Environment
  37
- DC Power Requirements
  39
  - Figure 18. DC Power Requirements
    39
  - Energy Consumption Efficiency
    40
- Startup Current
  40
- Figure 19. Energy Consumption Efficiency
  40
- Figure 20. Typical Current Wave Form at Start up of DJSA-220/210/205
  40
- Figure 21. Typical Current Wave Form at Start up of DJSA-230
  41
- Reliability
  42
- Mechanical Specifications
  45
- Vibration and Shock
  48
- Acoustics
  51
  - Sound Power Level
    51
  - Discrete Tone Penalty
    51
  - Figure 12. Operating Mode
    51
  - Figure 31. Weighted Sound Power
    51
- Identification Labels
  52
- Electromagnetic Compatibility
  52
  - CE Mark
    52
  - C-Tick Mark
    52
- Safety
  53
  - UL and CSA Approval
    53
  - IEC Compliance
    53
  - German Safety Mark
    53
  - Flammability
    53
  - Secondary Circuit Protection
    53
- Packaging
  53
7 Electrical Interface Specifications

55
Part 2. Interface Specification

73
8 General

75
- Introduction
  75
- Terminology
  75
9 Deviations from Standard

77
10 Registers

79
- Figure 48. Register Set
  79
- Alternate Status Register
  80
- Command Register
  80
- Cylinder High Register
  80
- Cylinder Low Register
  80
- Figure 49. Alternate Status Register
  80
- Data Register
  81
- Device Control Register
  81
- Figure 50. Device Control Register
  81
- Drive Address Register
  82
- Device/Head Register
  82
- Figure 51. Drive Address Register
  82
- Figure 52. Device/Head Register
  82
- Error Register
  83
- Features Register
  83
- Sector Count Register
  83
- Figure 53. Error Register
  83
- Sector Number Register
  84
- Status Register
  84
- Figure 54. Status Register
  84
11 General Operation Descriptions

85
- Reset Response
  85
- Diagnostic and Reset Considerations
  88
- Figure 58. Reset Error Register Values
  88
- Power-Off Considerations
  89
  - Load/Unload
    89
  - Emergency Unload
    89
  - Figure 59. Device Behavior by ATA Commands
    89
  - Required Power-Off Sequence
    90
- Sector Addressing Mode
  90
  - Logical CHS Addressing Mode
    90
- Power Management Features
  91
  - Power Mode
    91
  - Power Management Commands
    91
  - Standby/Sleep Command Completion Timing
    92
  - Standby Timer
    92
  - Status
    92
  - Interface Capability for Power Modes
    92
  - Figure 60. Power Conditions
    92
  - Initial Power Mode at Power on
    93
- Advanced Power Management (ABLE-3) Feature
  93
  - Performance Idle Mode
    93
  - Active Idle Mode
    93
  - Low Power Idle Mode
    94
  - Transition Time
    94
- Function
  94
  - Attributes
    94
  - Attribute Values
    94
  - Attribute Thresholds
    95
  - Threshold Exceeded Condition
    95
  - Commands
    95
  - Operation with Power Management Modes
    95
- Security Mode Feature Set
  95
  - Security Mode
    96
  - Security Level
    96
  - Password
    96
  - Master Password Revision Code
    96
  - Operation Example
    96
  - Figure 61. Initial Setting
    97
  - Figure 62. Usual Operation
    98
  - Figure 63. Password Lost
    99
  - User Password Lost
    99
  - Command Table
    100
  - Figure 64. Command Table for Device Lock Operation (1 of 2)
    100
  - Figure 64. Command Table for Device Lock Operation (2 of 2)
    101
- Protected Area Function
  102
- Address Offset Feature (Vendor Specific)
  105
- Seek Overlap
  108
- Figure 68. Seek Overlap
  108
- Write Cache Function
  109
- Delayed Write Function (Vendor Specific)
  109
  - Enable/Disable Delayed Write Command
    109
- Reassign Function
  110
  - Auto Reassign Function
    110
12 Command Protocol

111
- Data in Commands
  111
- Data out Commands
  112
- Nondata Commands
  113
- DMA Data Transfer Commands
  115
13 Command Descriptions

117
14 Time-Out Values

201
- Figure 129. Time-Out Values
  201
15 Appendix

203
Index

207

IBM Travelstar 20GN Quick Installation Manual (2 pages)

2.5 inch ATA/IDE hard disk drive

Brand: IBM | Category: Storage | Size: 0.02 MB

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IBM Travelstar 20GN Manuals

IBM Travelstar 20GN Specifications (211 pages)

Table of Contents

List of Figures

1 Introduction

2 General Features

Part 1. Functional Specification

3 Fixed Disk Subsystem Description

4 Fixed Disk Characteristics

5 Data Integrity

6 Specification

7 Electrical Interface Specifications

Part 2. Interface Specification

8 General

9 Deviations from Standard

10 Registers

11 General Operation Descriptions

12 Command Protocol

13 Command Descriptions

14 Time-Out Values

15 Appendix

Index

IBM Travelstar 20GN Quick Installation Manual (2 pages)

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