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IBM x3950 Problem Determination And Service Manual
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IBM x3950 Problem Determination And Service Manual

IBM x3950 Problem Determination And Service Manual

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IBM System x3950 Type 8878
and System x3950 E Type 8879
Problem Determination and Service Guide

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  • Page 1 IBM System x3950 Type 8878 and System x3950 E Type 8879 Problem Determination and Service Guide...
  • Page 3 IBM System x3950 Type 8878 and System x3950 E Type 8879 Problem Determination and Service Guide...
  • Page 4 Note: Before using this information and the product it supports, read the general information in Appendix B, “Notices,” on page 163. The most recent version of this document is available at http://www.ibm.com/servers/eserver/support/xseries/index.html. 13th Edition (November 2006) © Copyright International Business Machines Corporation 2006. All rights reserved.

  • Page 5: Table Of Contents

    Light path diagnostic LEDs ....53 Power-supply LEDs ..... . . 58 © Copyright IBM Corp. 2006...
  • Page 6 ....152 Using the Configuration/Setup Utility program ... . 152 IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...
  • Page 7 Hardware service and support ....162 IBM Taiwan product service ....162 Appendix B.
  • Page 8 IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...

  • Page 9: Safety

    Les sikkerhetsinformasjonen (Safety Information) før du installerer dette produktet. Antes de instalar este produto, leia as Informações sobre Segurança. Antes de instalar este producto, lea la información de seguridad. Läs säkerhetsinformationen innan du installerar den här produkten. © Copyright IBM Corp. 2006...

  • Page 10: Guidelines For Trained Service Technicians

    Regularly inspect and maintain your electrical hand tools for safe operational condition. Do not use worn or broken tools or testers. viii IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...
  • Page 11 v Do not touch the reflective surface of a dental mirror to a live electrical circuit. The surface is conductive and can cause personal injury or equipment damage if it touches a live electrical circuit. v Some rubber floor mats contain small conductive fibers to decrease electrostatic discharge.

  • Page 12: Safety Statements

    Be sure to read all caution and danger statements in this documentation before performing the instructions. Read any additional safety information that comes with your server or optional device before you install the device. IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...
  • Page 13 Statement 1: DANGER Electrical current from power, telephone, and communication cables is hazardous. To avoid a shock hazard: v Do not connect or disconnect any cables or perform installation, maintenance, or reconfiguration of this product during an electrical storm. v Connect all power cords to a properly wired and grounded electrical outlet.
  • Page 14 Laser radiation when open. Do not stare into the beam, do not view directly with optical instruments, and avoid direct exposure to the beam. IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...
  • Page 15 Statement 4: ≥ 18 kg (39.7 lb) ≥ 32 kg (70.5 lb) ≥ 55 kg (121.2 lb) CAUTION: Use safe practices when lifting. Statement 5: CAUTION: The power control button on the device and the power switch on the power supply do not turn off the electrical current supplied to the device.
  • Page 16 Statement 26: CAUTION: Do not place any object weighing more than 82 kg (180 lb) on top of rack-mounted devices. >82 kg (180 lb) IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...

  • Page 17: Chapter 1. Introduction

    Replaceable components are of three types: v Tier 1 customer replaceable unit (CRU): Replacement of Tier 1 CRUs is your responsibility. If IBM installs a Tier 1 CRU at your request, you will be charged for the installation. v Tier 2 customer replaceable unit: You may install a Tier 2 CRU yourself or request IBM to install it, at no additional charge, under the type of warranty service that is designated for your server.

  • Page 18: Notices And Statements In This Document

    A danger statement is placed just before the description of a potentially lethal or extremely hazardous procedure step or situation. IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...

  • Page 19: Features And Specifications

    Depth: 715 mm (28.15 in.) - 10 to 32°C (50° to 90°F); altitude: v Width: 440 mm (17.32 in.) Memory (not standard on System x3950 914 m to 2133 m (7000 ft). v Weight: approximately 38.5 kg (85 lb) E models): –...

  • Page 20: Server Controls, Leds, And Connectors

    LED to help isolate the condition. If the LOG LED on the light path diagnostics panel IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...
  • Page 21 is lit, information is available in the baseboard management controller (BMC) log or in the system-event log about the condition. The condition might be that the BMC log is full or almost full. This LED and LEDs on the light path diagnostics panel remain lit until you resolve the condition.

  • Page 22: Rear View

    IBM Remote Supervisor Adapter II SlimLine. IXA RS485 connector: Use this connector to connect to an iSeries server when an Integrated xSeries Adapter (IXA) is installed. IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...
  • Page 23 The optional Integrated xSeries Adapter (IXA) cab be installed only in slot 2. You must move jumpers J35 and J40 on the IXA. For details about installing the IXA, see the documentation that comes with the adapter. I/O board error LED: This LED is on the I/O board and is visible on the rear of the server.

  • Page 24: Internal Leds, Connectors, And Jumpers

    The default position is pins 1 and 2. Move the jumper to pins 2 and 3 to prevent a Wake on LAN packet from waking the system when the system is in the powered-off state. IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...

  • Page 25: Memory-Card Connectors

    Memory-card connectors The following illustration shows the connectors on the memory card. DIMM 1 DIMM 2 DIMM 3 DIMM 4 Memory-card LEDs The following illustration shows the LEDs on the memory card. Light path diagnostics button Light path diagnostics button power LED Memory card error LED DIMM 1 error LED DIMM 2 error LED...

  • Page 26: Microprocessor-Board Connectors And Leds

    266 MHz 64-bit PCI-X slot 4 266 MHz 64-bit PCI-X slot 5 266 MHz 64-bit PCI-X slot 6 266 MHz 64-bit SAS internal power cable connector IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...

  • Page 27: Pci-X Board Leds

    PCI-X board LEDs The following illustration shows the LEDs on the PCI-X board. PCI attention LEDs PCI power LEDs Power good LED SAS-backplane connectors The following illustration shows the connectors on the SAS backplane. SAS hard disk drive connectors Front of SAS backplane SAS signal cable 1 SAS signal cable 2 SAS power...
  • Page 28 IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...

  • Page 29: Chapter 2. Diagnostics

    If POST detects a problem, more than one beep might sound, or an error message is displayed. See “Beep code descriptions” on page 14 and “POST error codes” on page 21 for more information. © Copyright IBM Corp. 2006...

  • Page 30: Post Beep Codes

    Memory card 2. Replace the components listed in step 1 one at a time, in the order shown, restarting the server each time. IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...
  • Page 31 v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved. v See Chapter 3, “Parts listing, Type 8878 and 8879,” on page 109 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
  • Page 32 (Trained service technician only) Microprocessor tray Two short beeps Information only, configuration has 1. Run the Configuration/Setup Utility program. changed. 2. Run the diagnostic programs. IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...
  • Page 33 v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved. v See Chapter 3, “Parts listing, Type 8878 and 8879,” on page 109 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
  • Page 34 No beeps occur, and the 1. (Trained service technician only) Reseat the system operates operator information panel. correctly. 2. (Trained service technician only) Replace the operator information panel. IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...

  • Page 35: Error Logs

    v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved. v See Chapter 3, “Parts listing, Type 8878 and 8879,” on page 109 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
  • Page 36 3. When the prompt F2 for Diagnostics appears, press F2. If you have set both a power-on password and an administrator password, you must type the administrator password to run the diagnostic programs. IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...

  • Page 37: Post Error Codes

    4. From the top of the screen, select Hardware Info. 5. From the list, select BMC Log. POST error codes The following table describes the POST error codes and suggested actions to correct the detected problems. v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved.
  • Page 38 2. Update the BMC firmware (see “Updating the firmware” on page 151). 3. Reseat the microprocessor tray. 4. (Trained service technician only) Replace the microprocessor tray. IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...
  • Page 39 v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved. v See Chapter 3, “Parts listing, Type 8878 and 8879,” on page 109 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
  • Page 40 151). 4. Reseat the following components: a. Microprocessor tray b. I/O board c. Adapter 5. (Trained service technician only) Replace the microprocessor tray. IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...
  • Page 41 v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved. v See Chapter 3, “Parts listing, Type 8878 and 8879,” on page 109 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
  • Page 42 DIMM b. Memory card 2. Replace the components in step 1 one at a time, in the order shown, restarting the server each time. IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...
  • Page 43 v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved. v See Chapter 3, “Parts listing, Type 8878 and 8879,” on page 109 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
  • Page 44 2. Replace the following components one at a time, in the order shown, restarting the server each time. a. (Trained service technician only) Microprocessor 1 b. (Trained service technician only) Microprocessor tray IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...
  • Page 45 v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved. v See Chapter 3, “Parts listing, Type 8878 and 8879,” on page 109 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
  • Page 46 (Trained service technician only) PCI-X board 3. Replace the components listed in step 2 one at a time, in the order shown, restarting the server each time. IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...
  • Page 47 v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved. v See Chapter 3, “Parts listing, Type 8878 and 8879,” on page 109 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
  • Page 48 2. Update the BIOS code again (see “Updating the firmware” on page 151). 3. (Trained service technician only) Reseat microprocessor 3. 4. (Trained service technician only) Replace microprocessor 3. IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...
  • Page 49 v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved. v See Chapter 3, “Parts listing, Type 8878 and 8879,” on page 109 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
  • Page 50 (Trained service technician only) Power backplane 4. Replace the components listed in step 3 one at a time, in the order shown, restarting the server each time. IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...

  • Page 51: Checkout Procedure

    Checkout procedure The checkout procedure is the sequence of tasks that you should follow to diagnose a problem in the server. About the checkout procedure Before performing the checkout procedure for diagnosing hardware problems, review the following information: v Read the safety information beginning on page vii. v The diagnostic programs provide the primary methods of testing the major components of the server, such as the I/O board, Ethernet controller, keyboard, mouse (pointing device), serial ports, and hard disk drives.

  • Page 52: Performing The Checkout Procedure

    BIOS checkpoint codes. The BIOS checkpoint codes might change when the BIOS code is updated. For a list of checkpoint codes for the System x3950 or System x3950 E server, see http://w3.pc.ibm.com/helpcenter/infotips/techinfo/MIGR-58350.html. IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...

  • Page 53: Troubleshooting Tables

    Troubleshooting tables Use the troubleshooting tables to find solutions to problems that have identifiable symptoms. If you cannot find the problem in these tables, see “Running the diagnostic programs” on page 60 for information about testing the server. If you have just added new software or a new optional device and the server is not working, complete the following steps before using the troubleshooting tables: 1.

  • Page 54: General Problems

    60). the problem remains. Note: This test is not available to servers using RAID or servers with IDE or SATA hard disk drives. IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...

  • Page 55: Intermittent Problems

    Intermittent problems v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved. v See Chapter 3, “Parts listing, Type 8878 and 8879,” on page 109 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).

  • Page 56: Usb Keyboard, Mouse, Or Pointing-Device Problems

    I/O board 4. Replace the components listed in step 3 one at a time, in the order shown, restarting the server each time. IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...
  • Page 57 v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved. v See Chapter 3, “Parts listing, Type 8878 and 8879,” on page 109 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).

  • Page 58: Memory Problems

    Memory card 8. Replace the components listed in step 7 one at a time, in the order shown, restarting the server each time. IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...

  • Page 59: Microprocessor Problems

    Microprocessor problems v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved. v See Chapter 3, “Parts listing, Type 8878 and 8879,” on page 109 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).

  • Page 60: Monitor Problems

    If the codes are not changing, see “Checkpoint codes (trained service technicians only)” on page 36. 6. See “Solving undetermined problems” on page 106. IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...
  • Page 61 To prevent diskette drive read/write errors, make sure that the distance between the monitor and any external diskette drive is at least 76 mm (3 in.). b. Non-IBM monitor cables might cause unpredictable problems. 2. Reseat the following components: a. Monitor b.

  • Page 62: Optional-Device Problems

    Redundant PCI Host Bridge IB 2. Replace the failing device. Link Failed. Slot Number = NA. Bus Number = NA.Device ID = 0xffff. Vendor ID = 0xffff IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...

  • Page 63: Power Problems

    Power problems v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved. v See Chapter 3, “Parts listing, Type 8878 and 8879,” on page 109 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).

  • Page 64: Serial Port Problems

    I/O board 3. Replace the components listed in step 2 one at a time, in the order shown, restarting the server each time. IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...

  • Page 65: Serverguide Problems

    ServerGuide problems v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved. v See Chapter 3, “Parts listing, Type 8878 and 8879,” on page 109 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).

  • Page 66: Universal Serial Bus (Usb) Port Problems

    LEDs elsewhere in the server might also be lit and can direct you to the source of the error. IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...
  • Page 67 Before working inside the server to view light path diagnostics LEDs, read the safety information that begins on page vii and “Handling static-sensitive devices” on page 119. If an error occurs, view the light path diagnostics LEDs in the following order: 1.

  • Page 68: Remind Button

    The system-error LED flashes while it is in Remind mode and stays in Remind mode until one of the following conditions occurs: v All known errors are corrected. v The server is restarted. IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...

  • Page 69: Light Path Diagnostic Leds

    v A new error occurs, causing the system-error LED to be lit again. Light path diagnostic LEDs The following table describes the LEDs on the light path diagnostics panel and suggested actions to correct the detected problems. v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved.
  • Page 70 153). 2. Check the log for possible errors (see “Error logs” on page 19). IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...
  • Page 71 v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved. v See Chapter 3, “Parts listing, Type 8878 and 8879,” on page 109 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
  • Page 72 (see “Environment” in “Features and specifications” on page 3). 6. If one of the VRDs indicates “hot,” ac power must be removed before dc power can be restored. IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...
  • Page 73 v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved. v See Chapter 3, “Parts listing, Type 8878 and 8879,” on page 109 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).

  • Page 74: Power-Supply Leds

    The following table describes the problems that are indicated by various combinations of the power-supply LEDs and the power-on LED on the operator information panel and suggested actions to correct the detected problems. IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...
  • Page 75 v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved. v See Chapter 3, “Parts listing, Type 8878 and 8879,” on page 109 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).

  • Page 76: Diagnostic Programs, Messages, And Error Codes

    USB mouse. You can run the USB interface test only if no USB devices are attached. The USB test will not run if a Remote Supervisor Adapter II SlimLine is installed. IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...

  • Page 77: Diagnostic Text Messages

    To view server configuration information (such as system configuration, memory contents, interrupt request (IRQ) use, direct memory access (DMA) use, device drivers, and so on), select Hardware Info from the top of the screen. Diagnostic text messages Diagnostic text messages are displayed while the tests are running. A diagnostic text message contains one of the following results: Passed: The test was completed without any errors.
  • Page 78 1. Reseat the I/O board. 2. Replace the I/O board. 001-xxx-001 Failed core tests. 1. Reseat the I/O board. 2. Replace the I/O board. IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...
  • Page 79 v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved. v See Chapter 3, “Parts listing, Type 8878 and 8879,” on page 109 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
  • Page 80 151). 2. Update the BIOS code (see “Updating the firmware” on page 151). 3. Reseat the I/O board. 4. Replace the I/O board. IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...
  • Page 81 v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved. v See Chapter 3, “Parts listing, Type 8878 and 8879,” on page 109 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
  • Page 82 I/O board 2. Replace the components listed in step 1 one at a time, in the order shown, restarting the server each time. IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...
  • Page 83 v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved. v See Chapter 3, “Parts listing, Type 8878 and 8879,” on page 109 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
  • Page 84 (Trained service technician only) Power backplane 2. Replace the components listed in step 1 one at a time, in the order shown, restarting the server each time. IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...
  • Page 85 v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved. v See Chapter 3, “Parts listing, Type 8878 and 8879,” on page 109 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
  • Page 86 I/O board 5. Replace the components listed in step 4 one at a time, in the order shown, restarting the server each time. IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...
  • Page 87 v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved. v See Chapter 3, “Parts listing, Type 8878 and 8879,” on page 109 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
  • Page 88 2. Replace the following components one at a time, in the order shown, restarting the server each time. a. Memory card b. I/O board c. (Trained service technician only) Microprocessor tray IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...
  • Page 89 v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved. v See Chapter 3, “Parts listing, Type 8878 and 8879,” on page 109 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
  • Page 90 (Trained service technician only) Operator information panel b. I/O board c. (Trained service technician only) Microprocessor tray IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...
  • Page 91 v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved. v See Chapter 3, “Parts listing, Type 8878 and 8879,” on page 109 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
  • Page 92 2. Update the BIOS code (see “Updating the firmware” on page 151). 3. Look in the test log (see “Viewing the test log” on page 61) and correct any other errors. IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...
  • Page 93 v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved. v See Chapter 3, “Parts listing, Type 8878 and 8879,” on page 109 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).

  • Page 94: Real Time Diagnostics

    The server has an advanced recovery feature that will automatically switch to a backup BIOS page if the BIOS code in the server has become damaged, such as from a power failure during an update. IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...
  • Page 95 To recover the BIOS code and restore the server operation to the primary page, complete the following steps: 1. Download the latest version of the BIOS code from http://www.ibm.com/servers/ eserver/support/xseries/index.html. 2. Update the BIOS code, following the instructions that come with the update file that you downloaded.

  • Page 96: System-Error Log Messages

    1.8V Calgary 1 HSSIB Power Good Fault 1. Reseat the I/O board. 2. Reseat the microprocessor tray. 3. (Trained service technician only) Replace the PCI-X board. IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...
  • Page 97 v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved. v See Chapter 3, “Parts listing, Type 8878 and 8879,” on page 109 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
  • Page 98 1. Reseat the microprocessor tray. 2. Reseat the memory cards. 3. (Trained service technician only) Replace the power backplane. 4. (Trained service technician only) Replace the microprocessor tray. IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...
  • Page 99 v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved. v See Chapter 3, “Parts listing, Type 8878 and 8879,” on page 109 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
  • Page 100 1. Make sure that the PCI or PCI-X cables are correctly connected. 2. Reseat the failing hot-plug cable or adapter. 3. Replace the failing hot-plug cable or adapter. IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...
  • Page 101 v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved. v See Chapter 3, “Parts listing, Type 8878 and 8879,” on page 109 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
  • Page 102 3. Replace the microprocessor board. Machine check asserted for Card or Link - 1. Reseat the microprocessors and microprocessor board. SPINT, CPU Card 2. Replace the microprocessor board. IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...
  • Page 103 v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved. v See Chapter 3, “Parts listing, Type 8878 and 8879,” on page 109 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
  • Page 104 2. Replace the following components one at a time, in the order shown, restarting the server each time: a. Power supply b. (Trained service technician only) Power backplane IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...
  • Page 105 v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved. v See Chapter 3, “Parts listing, Type 8878 and 8879,” on page 109 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
  • Page 106 Note: Make sure you re-enable the memory in the = %d Configuration/Setup Utility program. See, “Memory problems” on page 42. 1. Reseat the memory card. 2. Replace the memory card. IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...
  • Page 107 v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved. v See Chapter 3, “Parts listing, Type 8878 and 8879,” on page 109 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).

  • Page 108: Post And Smi Error Messages

    POST reporting Processor Event: Unable to (Trained service technician only) Replace the microprocessor. apply microcode (patch) update. Chassis Number = X. Processor Number = Y. IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...
  • Page 109 v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved. v See Chapter 3, “Parts listing, Type 8878 and 8879,” on page 109 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
  • Page 110 Chassis#=X Slot#=Y Bus#=Z Dev.ID=0xSSSS steps: Vend.ID=0xTTTT Status=0xUUUU a. Reseat the adapter. DevFun#=0xVV b. Replace the adapter. 2. If the slot number is 0, replace the PCI board. IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...
  • Page 111 v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved. v See Chapter 3, “Parts listing, Type 8878 and 8879,” on page 109 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
  • Page 112 Chassis#=X Slot#=Y Bus#=Z Dev.ID=0xSSSS steps: Vend.ID=0xTTTT Status=0xUUUU a. Reseat the adapter. DevFun#=0xVV b. Replace the adapter. 2. If the slot number is 0, replace the PCI board. IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...
  • Page 113 v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved. v See Chapter 3, “Parts listing, Type 8878 and 8879,” on page 109 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
  • Page 114 Bus#=Z Dev.ID=0xSSSS Vend.ID=0xTTTT steps: Status=0xUUUU DevFun#=0xVV a. Reseat the adapter. b. Replace the adapter. 2. If the slot number is 0, replace the PCI board. IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...
  • Page 115 v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved. v See Chapter 3, “Parts listing, Type 8878 and 8879,” on page 109 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
  • Page 116 Slot#=Y Bus#=Z Dev.ID=0xSSSS steps: Vend.ID=0xTTTT Status=0xUUUU a. Reseat the adapter. DevFun#=0xVV b. Replace the adapter. 2. If the slot number is 0, replace the PCI board. IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...
  • Page 117 v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved. v See Chapter 3, “Parts listing, Type 8878 and 8879,” on page 109 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
  • Page 118 Chassis#=X Slot#=Y Bus#=Z Dev.ID=0xSSSS steps: Vend.ID=0xTTTT Status=0xUUUU a. Reseat the adapter. DevFun#=0xVV b. Replace the adapter. 2. If the slot number is 0, replace the PCI board. IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...
  • Page 119 v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved. v See Chapter 3, “Parts listing, Type 8878 and 8879,” on page 109 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).

  • Page 120: Solving Scsi Problems

    4. Make sure that the last device in each SCSI chain is terminated correctly. 5. Make sure that the SCSI devices are configured correctly. IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...

  • Page 121: Solving Power Problems

    Solving power problems Power problems can be difficult to solve. For example, a short circuit can exist anywhere on any of the power distribution buses. Usually, a short circuit will cause the power subsystem to shut down because of an overcurrent condition. To diagnose a power problem, use the following general procedure: 1.

  • Page 122: Solving Undetermined Problems

    I/O board v PCI-X board 4. Turn on the server. If the problem remains, suspect the following components in the following order: a. Power backplane IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...

  • Page 123: Calling Ibm For Service

    Calling IBM for service See Appendix A, “Getting help and technical assistance,” on page 161 for information about calling IBM for service. When you call for service, have as much of the following information available as possible:...
  • Page 124 IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...

  • Page 125: Chapter 3. Parts Listing, Type 8878 And 8879

    The following replaceable components are available for the System x3950 Type 8878 and System x3950 E Type 8879 except as specified otherwise in Table 3 on page 111. To check for an updated parts listing on the Web, complete the following steps: 1.
  • Page 126 IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...

  • Page 127: Server Replaceable Units

    2. Customer replaceable units (CRUs) can be replaced by the customer. Tier 1 CRUs and Tier 2 CRUs are described in the IBM “Statement of Limited Warranty” (at “Part 3 - Warranty Information”), which is in the Warranty and Support Information document on the IBM System x Documentation CD.
  • Page 128 26K8938 EIA mounting bracket (all models) 26K8948 Kit, shipping bracket (all models) 40K6592 Lift handle kit (all models) 39M2696 Line cord (all models) 39M5377 IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...

  • Page 129: Power Cords

    Thermal grease (all models) 41Y8755 Power cords For your safety, IBM provides a power cord with a grounded attachment plug to use with this IBM product. To avoid electrical shock, always use the power cord and plug with a properly grounded outlet.
  • Page 130 Taiwan, United States of America, Venezuela 24P6858 Korea (Democratic People’s Republic of), Korea (Republic of) 34G0232 Japan 36L8880 Argentina, Paraguay, Uruguay 49P2078 India 49P2110 Brazil IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...
  • Page 131 IBM power cord part number Used in these countries and regions 6952300 Antigua and Barbuda, Aruba, Bahamas, Barbados, Belize, Bermuda, Bolivia, Caicos Islands, Canada, Cayman Islands, Colombia, Costa Rica, Cuba, Dominican Republic, Ecuador, El Salvador, Guam, Guatemala, Haiti, Honduras, Jamaica, Mexico,...
  • Page 132 IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...

  • Page 133: Chapter 4. Removing And Replacing Server Components

    Replaceable components are of three types: v Tier 1 customer replaceable unit (CRU): Replacement of Tier 1 CRUs is your responsibility. If IBM installs a Tier 1 CRU at your request, you will be charged for the installation. v Tier 2 customer replaceable unit: You may install a Tier 2 CRU yourself or request IBM to install it, at no additional charge, under the type of warranty service that is designated for your server.

  • Page 134: System Reliability Guidelines

    Microprocessor sockets 2, 3, and 4 each always contain either a microprocessor baffle or a microprocessor and heat sink. v For redundant and hot-swappable operation, the power supplies are connected to 200-240 V ac. IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...

  • Page 135: Working Inside The Server With The Power On

    Working inside the server with the power on Attention: Static electricity that is released to internal server components when the server is powered-on might cause the server to halt, which could result in the loss of data. To avoid this potential problem, always use an electrostatic-discharge wrist strap or other grounding system when working inside the server with the power on.

  • Page 136: Connecting The Cables

    Gigabit Ethernet 1 Front view Power-control button Information LED Release latch USB connector Power-on LED System-error LED Hard disk drive activity LED Locator LED IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...

  • Page 137: Removing And Replacing Tier 1 Crus

    Removing and replacing Tier 1 CRUs Replacement of Tier 1 CRUs is your responsibility. If IBM installs a Tier 1 CRU at your request, you will be charged for the installation. The illustrations in this document might differ slightly from your hardware.

  • Page 138: Dvd Drive

    1. Slide the DVD drive into the server to engage the drive. 2. Install the top cover and bezel (see “Top cover and bezel” on page 131). 3. Slide the server into the rack. IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...

  • Page 139: Hot-Swap Fan

    4. Connect the cables and power cords (see “Connecting the cables” on page 120 for cabling instructions). 5. Turn on all attached devices and the server. Hot-swap fan The server comes with 80-mm hot-swap fans in front of the PCI-X slots and 92-mm hot-swap fans in front of the memory cards.

  • Page 140: Hot-Swap Power Supply

    If you suspect a problem with one of these parts, contact a service technician. To remove the hot-swap power supply, complete the following steps: IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...
  • Page 141 Locking latch Locking handle (open) Power supply 2 (PS2) Power supply 1 (PS1) AC power LED (green) DC power LED (green) 1. Read the safety information that begins on page vii and “Installation guidelines” on page 117. 2. Remove the top cover (see “Top cover and bezel” on page 131). Attention: To ensure proper cooling and airflow, do not operate the server for more than 2 minutes with the top cover removed.

  • Page 142: Memory Card And Memory Module (Dimm)

    4. If you are instructed to return the memory card, follow all packaging instructions, and use any packaging materials for shipping that are supplied to you. IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...
  • Page 143 To install the replacement memory card, complete the following steps: 1. Insert the memory card into the memory card connector. 2. Press the memory card into the connector and close the locking levers. 3. Install the top cover (see “Top cover and bezel” on page 131). 4.
  • Page 144 DIMM and the retaining clips, the DIMM has not been correctly inserted; open the retaining clips, remove the DIMM, and then reinsert IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...

  • Page 145: Remote Supervisor Adapter Ii Slimline

    5. Replace the memory card (see “Removing and replacing a memory card” on page 126). 6. Install the top cover (see “Top cover and bezel” on page 131). 7. Slide the server into the rack. 8. Connect the cables and power cords (see “Connecting the cables” on page 120 for cabling instructions).

  • Page 146: Serveraid-8I Adapter

    1. Touch the static-protective package that contains the adapter to any unpainted surface on the outside of the server; then, grasp the adapter by the plastic handle and remove it from the package. IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...

  • Page 147: Top Cover And Bezel

    Attention: Incomplete insertion might cause damage to the server or the ServeRAID-8i adapter. 2. Position the ServeRAID-8i adapter so that the metal locking clasp is at the rear of the server; then, press the ServeRAID-8i adapter firmly into the connector. 3.

  • Page 148: Removing And Replacing Tier 2 Crus

    Removing and replacing Tier 2 CRUs You may install a Tier 2 CRU yourself or request IBM to install it, at no additional charge, under the type of warranty service that is designated for your server.

  • Page 149: I/O Board

    3. Remove the top cover (see “Top cover and bezel” on page 131). 4. Remove the 2 SAS signal cables from the I/O board. 5. Remove the battery: a. Use one finger to press the top of the battery clip away from the battery. b.
  • Page 150 5. Slide the server into the rack. 6. Connect the cables and power cords (see “Connecting the cables” on page 120 for cabling instructions). IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...

  • Page 151: Operator Information Panel Assembly

    7. Turn on all attached devices and the server. Operator information panel assembly To remove the operator information panel assembly, complete the following steps: Retention clips Release button Release lever Retention clip 1. Read the safety information that begins on page vii and “Installation guidelines” on page 117.

  • Page 152: Pci-X Adapter Guide

    Note: You might find it helpful to note where each cable is connected before disconnecting the cables. 7. Turn the blue quarter-turn fasteners to release the PCI-X adapter guide. 8. Lift the guide out of the server. IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...

  • Page 153: Power-Supply Structure

    9. If you are instructed to return the PCI-X adapter guide, follow all packaging instructions, and use any packaging materials for shipping that are supplied to you. To install the replacement PCI-X adapter guide, complete the following steps: 1. Align the two tabs on the PCI-X adapter guide with the two slots on the chassis.

  • Page 154: Sas Backplane

    8. Turn on all attached devices and the server. SAS backplane To remove the Serial Attached SCSI (SAS) backplane, complete the following steps: Release tabs SAS connectors Guide channels IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...

  • Page 155: Removing And Replacing Frus

    1. Read the safety information that begins on page vii and “Installation guidelines” on page 117. 2. Turn off the server and peripheral devices, and disconnect the power cords and all external cables necessary to replace the device. 3. Remove the top cover (see “Top cover and bezel” on page 131). 4.

  • Page 156: Microprocessor Tray And Microprocessor

    Remote Supervisor Adapter II (RSA2) firmware level ZUEP37B Baseboard management controller (BMC) code level Z2BT05D Complex programmable logic device (CPLD) firmware level HEUD18A Diagnostic program (Diags) code level ZUYT26A IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...
  • Page 157 The server model number will change when you install this upgrade. A new label comes with the option kit for you to place over the existing label on the server. The following table lists the kit server model numbers before and after the dual-core upgrade is installed.
  • Page 158 2. Position the microprocessor over the microprocessor socket as shown in the following illustration. Carefully press the microprocessor into the socket. IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...
  • Page 159 Microprocessor Microprocessor orientation indicator Microprocessor connector Microprocessor- release lever 3. Close the microprocessor-release lever to secure the microprocessor. 4. Make sure that the heat-sink retaining clip is open. 5. If you are installing a new heat sink, remove the cover from the bottom of the heat sink.
  • Page 160 (0.22 mL) of the grease will remain in the syringe. 6. Install the heat sink onto the microprocessor as described in “Removing and installing a microprocessor” on page 141. IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...

  • Page 161: Pci-X Board Assembly

    PCI-X board assembly To remove the PCI-X board assembly, complete the following steps: Handle Retainer screws 1. Read the safety information that begins on page vii and “Installation guidelines” on page 117. 2. Turn off the server and peripheral devices, and disconnect the power cords and all external cables necessary to replace the device.

  • Page 162: Pci-X Switch Card Assembly

    To remove the PCI-X switch-card assembly, complete the following steps: Release latches 1. Read the safety information that begins on page vii and “Installation guidelines” on page 117. IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...

  • Page 163: Power Backplane

    2. Turn off the server and peripheral devices, and disconnect the power cords and all external cables necessary to replace the device. 3. Remove the top cover (see “Top cover and bezel” on page 131). 4. Remove all adapters and place the adapters on a static-protective surface. Note: You might find it helpful to note where each adapter is installed before removing the adapters.
  • Page 164 8. Connect the cables and power cords (see “Connecting the cables” on page 120 for cabling instructions). 9. Turn on all attached devices and the server. IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...

  • Page 165: Scalability Cartridge Assembly

    Scalability cartridge assembly To remove the scalability cartridge assembly, complete the following steps: Scalability cartridge assembly Retention latch 1. Read the safety information that begins on page vii and “Installation guidelines” on page 117. 2. Turn off the server and peripheral devices, and disconnect the power cords and all external cables necessary to replace the device.
  • Page 166 8. Connect the cables and power cords (see “Connecting the cables” on page 120 for cabling instructions). 9. Turn on all attached devices and the server. IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...

  • Page 167: Chapter 5. Configuration Information And Instructions

    Configuring the server The ServerGuide Setup and Installation CD provides software setup tools and installation tools that are specifically designed for your IBM server. Use this CD during the initial installation of the server to configure basic hardware features and to simplify the operating-system installation.

  • Page 168: Using The Updatexpress Program

    Configuration/Setup Utility menu. If you do not type the administrator password, a limited Configuration/Setup Utility menu is available. 3. Select settings to view or change. IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...
  • Page 169 Configuration/Setup Utility menu choices The following choices are on the Configuration/Setup Utility main menu. Depending on the version of the BIOS code in the server, some menu choices might differ slightly from these descriptions. v System Summary Select this choice to view configuration information, including the type, speed, and cache sizes of the microprocessors, type and speed of installed USB devices, and the amount of installed memory.
  • Page 170 Use the arrow keys to highlight the pair of memory connectors that you want to enable, and use the arrow keys to select Enable. - Memory hole remapping above 64 GB IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...
  • Page 171 Select this choice to view the BMC system event log, which contains all system error and warning messages that have been generated. Use the arrow keys to move between pages in the log. If an optional IBM Remote Supervisor Adapter II SlimLine is installed, the full text of the error messages is displayed;...
  • Page 172 You can use any combination of up to seven characters (A–Z, a–z, and 0–9) for the password. IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...
  • Page 173 Configuration/Setup Utility menu. You can use any combination of up to seven characters (A–Z, a–z, and 0–9) for the password. The Administrator Password choice is on the Configuration/Setup Utility menu only if an optional IBM Remote Supervisor Adapter II SlimLine is installed. Attention: If you set an administrator password and then forget it, there is no way to change, override, or remove it.

  • Page 174: Installing And Using The Baseboard Management Controller Utility Programs

    (10BASE-T, 100BASE-TX, or 1000BASE-T) and duplex mode (full-duplex or half-duplex) of the network and automatically operates at that rate and mode. IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...

  • Page 175: Using The Pxe Boot Agent Utility Program

    ServeRAID controller. For information about these programs, see the documentation that comes with the ServeRAID controller and the User’s Guide on the IBM System x Documentation CD. If the server comes with an operating system installed, such as Microsoft Windows 2000 Datacenter Server, see the software documentation that comes with the server for configuration information.
  • Page 176 IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...

  • Page 177: Appendix A. Getting Help And Technical Assistance

    If you need help, service, or technical assistance or just want more information about IBM products, you will find a wide variety of sources available from IBM to assist you. This appendix contains information about where to go for additional information about IBM and IBM products, what to do if you experience a problem with your system or optional device, and whom to call for service, if it is necessary.

  • Page 178: Getting Help And Information From The World Wide Web

    9 a.m. to 6 p.m. IBM Taiwan product service IBM Taiwan product service contact information: IBM Taiwan Corporation 3F, No 7, Song Ren Rd. Taipei, Taiwan Telephone: 0800-016-888 IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...

  • Page 179: Appendix B. Notices

    Web sites. The materials at those Web sites are not part of the materials for this IBM product, and use of those Web sites is at your own risk. IBM may use or distribute any of the information you supply in any way it believes appropriate without incurring any obligation to you.

  • Page 180: Important Notes

    IBM. Maximum memory may require replacement of the standard memory with an optional memory module. IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...

  • Page 181: Product Recycling And Disposal

    IBM makes no representations or warranties with respect to non-IBM products. Support (if any) for the non-IBM products is provided by the third party, not IBM. Some software may differ from its retail version (if available), and may not include user manuals or all program functionality.

  • Page 182: Battery Return Program

    IBM at 1-800-426-4333. Have the IBM part number listed on the battery available prior to your call. For Taiwan: Please recycle batteries. For the European Union: IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...

  • Page 183: Electronic Emission Notices

    Properly shielded and grounded cables and connectors must be used in order to meet FCC emission limits. IBM is not responsible for any radio or television interference caused by using other than recommended cables and connectors or by unauthorized changes or modifications to this equipment.

  • Page 184: European Union Emc Directive Conformance Statement

    Taiwanese Class A warning statement Chinese Class A warning statement Japanese Voluntary Control Council for Interference (VCCI) statement IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...

  • Page 185: Index

    61, 80 configuring your server 151 POST/BIOS 21 connector, static discharge 5 SCSI (SAS) 104 connectors 6 system error 80 cable 120 error logs 19 external 120 BMC 20 front 120 POST 19 rear 120 © Copyright IBM Corp. 2006...
  • Page 186 I/O BRD 57 scalability cartridge assembly 149 LOG 54 MEM 55 NMI 55 NONRED 56 OVERSPEC 53 Gigabit Ethernet connector 7 PCI 55 grease, thermal 144 IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...
  • Page 187 LEDs, light path (continued) password (continued) PCI BRD 57 power on 156 PS 53 power on, overriding 157 RAID 56 PCI BRD LED 57 SP 55 PCI LED 55 TEMP 56 PCI-X adapter guide, replacing 136 VRM 54 PCI-X board assembly, replacing 145 light path diagnostics 50 PCI-X switch-card assembly, replacing 146 LEDs 53...
  • Page 188 SMP Expansion Port connectors 7 SMP Expansion Port link LEDs 7 software problems 49 SP LED 55 specifications 3 statements and notices 2 static discharge connector 5 IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide...
  • Page 190 Part Number: 31R1886 Printed in USA (1P) P/N: 31R1886...

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