IBM 7940 Problem Determination And Service Manual
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IBM 7940 Problem Determination And Service Manual

IBM 7940 Problem Determination And Service Manual

Ibm system x3455 type 7940 and 7941
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IBM System x3455 Type 7940 and 7941
Problem Determination and Service Guide

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  • Page 1 IBM System x3455 Type 7940 and 7941 Problem Determination and Service Guide...
  • Page 3 IBM System x3455 Type 7940 and 7941 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 127 and the Warranty and Support Information document on the IBM System x Documentation CD. Fourth Edition (March 2009) © Copyright International Business Machines Corporation 2007.

  • Page 5: Table Of Contents

    ....17 Chapter 3. Parts listing, Type 7940 and 7941 servers..19 Replaceable server components ....21 Product recovery CDs .
  • Page 6 Viewing the test log..... . 102 Diagnostic error codes ....103 IBM System x3455 Type 7940 and 7941: Problem Determination and Service Guide...
  • Page 7 Problem determination tips ....121 Calling IBM for service ..... 122 Appendix A.
  • Page 8 IBM System x3455 Type 7940 and 7941: 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. 2007...

  • Page 10: Guidelines For Trained Service Technicians

    Use the information in this section to help you identify potential unsafe conditions in an IBM product that you are working on. Each IBM product, as it was designed and manufactured, has required safety items to protect users and service technicians from injury.
  • 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 x3455 Type 7940 and 7941: 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 Statement 2: CAUTION: When replacing the lithium battery, use only IBM Part Number 33F8354 or an equivalent type battery recommended by the manufacturer. If your system has a module containing a lithium battery, replace it only with the same module type made by the same manufacturer.
  • Page 15 Statement 3: CAUTION: When laser products (such as CD-ROMs, DVD drives, fiber optic devices, or transmitters) are installed, note the following: v Do not remove the covers. Removing the covers of the laser product could result in exposure to hazardous laser radiation. There are no serviceable parts inside the device.
  • Page 16 The device also might have more than one power cord. To remove all electrical current from the device, ensure that all power cords are disconnected from the power source. IBM System x3455 Type 7940 and 7941: Problem Determination and Service Guide...
  • Page 17 Statement 8: CAUTION: Never remove the cover on a power supply or any part that has the following label attached. Hazardous voltage, current, and energy levels are present inside any component that has this label attached. There are no serviceable parts inside these components.
  • Page 18 IBM System x3455 Type 7940 and 7941: Problem Determination and Service Guide...

  • Page 19: 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 20: Notices And Statements In This Document

    These updates are available from the IBM Web site. To check for updated documentation and technical updates, complete the following steps.

  • Page 21: Features And Specifications

    Features and specifications The following information is a summary of the features and specifications of the server. Depending on the server model, some features might not be available, or some specifications might not apply. Table 1. Features and specifications Microprocessors: Drives: Video controller: v ATI RN50b video controller on...
  • Page 22 – Server off: 8% to 80% will operate. approximately: v Airflow rates: – Minimum: 0.126 kVA – Minimum: 34 CFM – Maximum: 0.500 kVA – Maximum: 74 CFM IBM System x3455 Type 7940 and 7941: Problem Determination and Service Guide...

  • Page 23: Server Controls, Leds, And Connectors

    Server controls, LEDs, and connectors This section describes the controls, light-emitting diodes (LEDs), and connectors on the front and rear of the server. Front view The following illustration shows the controls, LEDs, and connectors on the front of the server. Except for the CD or DVD drive activity LED, the CD-eject or DVD-eject button, and the rack release latches, these controls, LEDs, and connectors are on the operator information panel.

  • Page 24: Rear View

    System locator LED: This LED can be lit remotely by the system administrator to aid in visually locating the server. If the server supports IBM Director, you can use IBM Director to light this LED remotely. A system locator LED is also on the rear of the server.

  • Page 25: Internal Leds, Connectors, And Jumpers

    System locator LED: This LED can be lit remotely by the system administrator to aid in visually locating the server. If the server supports IBM Director, you can use IBM Director to light this LED remotely. A system locator LED is also on the front of the server.

  • Page 26: Operator Information Panel Controls And Internal Connectors

    When the server is turned off, you can light the system-board error LEDs for up to 30 seconds to indicate detected faults by pressing the light path button. Signal cable connector Light-path button USB cable connector IBM System x3455 Type 7940 and 7941: Problem Determination and Service Guide...

  • Page 27: System-Board Switches And Jumpers

    System-board switches and jumpers The following illustration shows the switches and jumpers on the system board. Boot block recovery BMC reset jumper (J51) jumper (J36) NMI switch (SW1) Power-on password jumper (J52) Force power-on jumper (J37) BMC update jumper (J34) Wake on LAN bypass jumper (J48) Chapter 1.
  • Page 28 Changing the position of this jumper does not bypass the administrator password check if an administrator password is set. IBM System x3455 Type 7940 and 7941: Problem Determination and Service Guide...

  • Page 29: System-Board External Connectors

    System-board external connectors The following illustration shows the external connectors on the system board. USB (4) Video Ethernet 2 Serial Ethernet 1 Chapter 1. Introduction...

  • Page 30: System-Board Leds

    DIMM 1 error LED Fan 2 error LED DIMM 2 error LED DIMM 3 error LED DIMM 4 error LED DIMM 5 error LED DIMM 6 error LED IBM System x3455 Type 7940 and 7941: Problem Determination and Service Guide...
  • Page 31 Description System locator LED Use this blue LED to visually locate the server. You can use IBM Director to light this LED remotely. This LED flashes during system POST and when the Configuration/Setup Utility program is in use. Error LEDs If an amber error LED on the system board is lit, the associated component has failed.
  • Page 32 IBM System x3455 Type 7940 and 7941: Problem Determination and Service Guide...

  • Page 33: Chapter 2. Configuration Information And Instructions

    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 34: Configuring The Ethernet Controller

    Configuration/Setup Utility menu. 3. Follow the instructions on the screen. See the User’s Guide on the IBM System x Documentation CD for more detailed information about the Configuration/Setup Utility program. Configuring the Ethernet controller The Ethernet controller is integrated on the system board.

  • Page 35: Updating The Uuid

    Configuration/Setup Utility program to configure the external USB diskette drive as a startup device. (For information about the Configuration/Setup Utility program, see the User’s Guide on the IBM System x Documentation CD.) Then, start again at step 1 on page 16 of this procedure.
  • Page 36 IBM System x3455 Type 7940 and 7941: Problem Determination and Service Guide...

  • Page 37: Chapter 3. Parts Listing, Type 7940 And 7941 Servers

    Chapter 3. Parts listing, Type 7940 and 7941 servers The following replaceable components are available for the System x3455 Types 7940 and 7941 servers. To check for an updated parts listing on the Web, complete the following steps: 1. Go to http://www.ibm.com/servers/eserver/support/xseries/index.html 2.
  • Page 38 IBM System x3455 Type 7940 and 7941: Problem Determination and Service Guide...

  • Page 39: Replaceable 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 40 Ethernet adapter, Netxtreme II 1000 Express (optional) 39Y6070 Ethernet adapter, PRO/1000 PT dual port (optional) 39Y6128 Ethernet adapter, PRO/1000 PT quad port server adapter 39Y6138 Heatsink, copper base 40K7170 IBM System x3455 Type 7940 and 7941: Problem Determination and Service Guide...

  • Page 41: Product Recovery Cds

    Table 4. Parts listing, Types 7940 and 7941 (continued) CRU part CRU part number number FRU part Index Description (Tier 1) (Tier 2) number Heatsink, heat pipe base 40K7245 Label kit 42C9440 Line cord, 125/250 Vac 10 amp 2.8M 39M5377...
  • Page 42 Microsoft Windows Server 2003 R2 w/SP2 32 bit Enterprise 44W4072 Edition 1-8 microprocessors, Japanese Microsoft Windows Server 2003 R2 w/SP2 32 bit Enterprise 44W4073 Edition 1-8 microprocessors, Korean IBM System x3455 Type 7940 and 7941: Problem Determination and Service Guide...

  • Page 43: Power Cords

    1-8 microprocessors, Traditional Chinese 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 44 Colombia, Costa Rica, Cuba, Dominican Republic, Ecuador, El Salvador, Guam, Guatemala, Haiti, Honduras, Jamaica, Mexico, Micronesia (Federal States of), Netherlands Antilles, Nicaragua, Panama, Peru, Philippines, Saudi Arabia, Thailand, Taiwan, United States of America, Venezuela IBM System x3455 Type 7940 and 7941: Problem Determination and Service Guide...
  • Page 45 IBM power cord part number Used in these countries and regions 39M5219 Korea (Democratic People’s Republic of), Korea (Republic of) 39M5199 Japan 39M5068 Argentina, Paraguay, Uruguay 39M5226 India 39M5233 Brazil Chapter 3. Parts listing, Type 7940 and 7941 servers...
  • Page 46 IBM System x3455 Type 7940 and 7941: Problem Determination and Service Guide...

  • Page 47: 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 48: System Reliability Guidelines

    You have kept the preinstalled air deflector in place unless you are directed to remove it in this document or by IBM Service. See “Removing an air baffle” on page 32 for the location of the air deflector in the server.

  • Page 49: 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 50: Removing An Air Baffle

    5. If you are instructed to return the air baffle, follow all packaging instructions, and use any packaging materials for shipping that are supplied to you. IBM System x3455 Type 7940 and 7941: Problem Determination and Service Guide...

  • Page 51: Installing An Air Baffle

    Installing an air baffle To install an air baffle, complete the following steps. Alignment pins Alignment pins 1. Read the safety information that begins on page vii and “Installation guidelines” on page 29. 2. Put the baffle into place from the top of the server, and align the holes near the front of the baffle with the pins in the server.

  • Page 52: Installing A Riser-Card Assembly

    Installing a riser-card assembly To install a riser-card assembly, complete the following steps. 1. Reinstall any adapters that you removed from the riser card (see “Installing an adapter” on page 36). IBM System x3455 Type 7940 and 7941: Problem Determination and Service Guide...

  • Page 53: Removing An Adapter

    2. Carefully align the riser-card assembly with the guides at the rear of the server and the riser-card connector on the system board; then, press down on the assembly. Make sure that the riser-card assembly is fully seated in the riser-card connector.

  • Page 54: Installing An Adapter

    You have removed the drive retainer clip on the side of the old drive and have it available for installation on the new drive. IBM System x3455 Type 7940 and 7941: Problem Determination and Service Guide...
  • Page 55 Note: If you are installing a drive that contains a laser, observe the following safety precaution. Statement 3: CAUTION: When laser products (such as CD-ROMs, DVD drives, fiber optic devices, or transmitters) are installed, note the following: v Do not remove the covers. Removing the covers of the laser product could result in exposure to hazardous laser radiation.

  • Page 56: Installing The Cd Or Dvd Drive

    1. Read the safety information that begins on page vii and “Installation guidelines” on page 29. 2. Follow the instructions that come with the new drive to set any jumpers or switches. IBM System x3455 Type 7940 and 7941: Problem Determination and Service Guide...

  • Page 57: Removing A Memory Module (Dimm)

    CD or DVD drive Drive retention clip Slide the clip into place against the drive 3. Slide the drive-retention clip into place against the side of the drive. Drive release button CD or DVD drive 4. Slide the drive into the server until the drive clicks into place. 5.

  • Page 58: Installing A Memory Module

    1, 2, 3, 4, 5, 6, 7, 8, 9, 10 Not supported 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 The following illustration shows the DIMM slots (memory connectors) on the system board. IBM System x3455 Type 7940 and 7941: Problem Determination and Service Guide...
  • Page 59 DIMM 12 DIMM 11 DIMM 10 DIMM 9 DIMM 8 DIMM 7 DIMM 6 DIMM 5 DIMM 4 DIMM 3 DIMM 2 DIMM 1 To install DIMMs, complete the following steps: 1. Read the safety information that begins on page vii and “Installation guidelines” on page 29.

  • Page 60: Removing A Fan

    To ensure proper server operation, do not operate the server with a failed fan. To remove a fan, complete the following steps: 1. Read the safety information that begins on page vii and “Installation guidelines” on page 29. IBM System x3455 Type 7940 and 7941: Problem Determination and Service Guide...

  • Page 61: Installing A Fan

    2. Turn off the server and peripheral devices and disconnect all power cords and external cables; then, remove the server from the rack. 3. Remove the server cover (see “Removing the cover” on page 31). 4. Disconnect the cable of the failing fan from the connector. 5.

  • Page 62: Installing The System-Board Battery

    After you replace the system-board battery, you must reconfigure the server and reset the system date and time. v To avoid possible danger, read and follow the following safety statement. IBM System x3455 Type 7940 and 7941: Problem Determination and Service Guide...
  • Page 63 Statement 2: CAUTION: When replacing the lithium battery, use only IBM Part Number 33F8354 or an equivalent type battery recommended by the manufacturer. If your system has a module containing a lithium battery, replace it only with the same module type made by the same manufacturer.

  • Page 64: Removing The Power Supply

    3. Remove the server cover (see “Removing the cover” on page 31). 4. Disconnect the power-supply connectors from the system board (and from all installed devices). 5. Remove the three power-supply mounting screws. IBM System x3455 Type 7940 and 7941: Problem Determination and Service Guide...
  • Page 65 6. Slide the power supply slightly toward the front of the server to free the retainer pin from the keyhole; then, lift the power supply out of the server. 7. If you are instructed to return the power supply, follow all packaging instructions, and use any packaging materials for shipping that are supplied to you.

  • Page 66: Installing The Power Supply

    4. Install the three power-supply mounting screws. 5. Connect the power-supply cables to the system board (and to all installed devices). 6. Install the server cover (see “Installing the cover” on page 31). IBM System x3455 Type 7940 and 7941: Problem Determination and Service Guide...

  • Page 67: 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 68: Installing The Operator Information Panel

    3. Install the cover (see “Installing the cover” on page 31). 4. Slide the server into the rack. 5. Reconnect the power cords and any cables that you removed. 6. Turn on the peripheral devices and the server. IBM System x3455 Type 7940 and 7941: Problem Determination and Service Guide...

  • Page 69: Removing The Cd Or Dvd Backplane

    Removing the CD or DVD backplane To remove the CD or DVD backplane, complete the following steps. CD or DVD drive cable connector CD or DVD drive connector Power cable connector CD or DVD drive backplane 1. Read the safety information that begins on page vii and “Installation guidelines” on page 29.

  • Page 70: Installing The Cd Or Dvd Backplane

    4. Install the cover (see “Installing the cover” on page 31). 5. Slide the server into the rack. 6. Reconnect the power cords and any cables that you removed. 7. Turn on the peripheral devices and the server. IBM System x3455 Type 7940 and 7941: Problem Determination and Service Guide...

  • Page 71: Removing The Front Hard Disk Drive Cage Assembly

    Removing the front hard disk drive cage assembly To remove the front hard disk drive cage assembly, complete the following steps. Retention latch Hard disk drive tray assembly 1. Read the safety information that begins on page vii and “Installation guidelines” on page 29.

  • Page 72: Installing The Front Hard Disk Drive Cage Assembly

    9. If you are instructed to return the disk drive cage assembly, follow all packaging instructions, and use any packaging materials for shipping that are supplied to you. IBM System x3455 Type 7940 and 7941: Problem Determination and Service Guide...

  • Page 73: Removing The Rear Hard Disk Drive Cage Assembly

    Removing the rear hard disk drive cage assembly To remove the rear hard disk drive cage assembly, complete the following steps. Rear hard disk drive cage Retention latch 1. Read the safety information that begins on page vii and “Installation guidelines” on page 29.

  • Page 74: Installing The Rear Hard Disk Drive Cage Assembly

    Locate the documentation that comes with the hard disk drive and follow those instructions in addition to the instructions in this chapter. To remove the front hard disk drive, complete the following steps. IBM System x3455 Type 7940 and 7941: Problem Determination and Service Guide...

  • Page 75: Installing The Front Hard Disk Drive

    Hard disk drive tray assembly Hard disk drive 1. Read the safety information that begins on page vii and “Installation guidelines” on page 29. 2. Turn off the server and peripheral devices and disconnect all power cords and external cables; then, remove the server from the rack. 3.

  • Page 76: Removing The Rear Hard Disk Drive

    Locate the documentation that comes with the hard disk drive and follow those instructions in addition to the instructions in this section. To remove the rear hard disk drive, complete the following steps. IBM System x3455 Type 7940 and 7941: Problem Determination and Service Guide...

  • Page 77: Installing The Rear Hard Disk Drive

    Hard disk drive Rear hard disk drive cage 1. Read the safety information that begins on page vii and “Installation guidelines” on page 29. 2. Turn off the server and peripheral devices and disconnect all power cords and external cables; then, remove the server from the rack. 3.
  • Page 78 5. Install the cover (see “Installing the cover” on page 31). 6. Slide the server into the rack. 7. Reconnect the power cords and any cables that you removed. 8. Turn on the peripheral devices and the server. IBM System x3455 Type 7940 and 7941: Problem Determination and Service Guide...

  • Page 79: Removing And Replacing Frus

    Removing and replacing FRUs FRUs must be replaced or installed only by trained service technicians. The illustrations in this document might differ slightly from the hardware. Removing a microprocessor Attention: v Do not allow the thermal grease on the microprocessor and heat sink to come in contact with anything.

  • Page 80: Installing A Microprocessor

    Do not use excessive force when inserting the microprocessor into the socket. Note: The microprocessor fits only one way on the socket. 3. Carefully close the release lever to secure the microprocessor in the socket. IBM System x3455 Type 7940 and 7941: Problem Determination and Service Guide...
  • Page 81 Captive screws Heat sink Microprocessor socket 4. Install the heat sink on top of the microprocessor, and tighten the captive screws. Alternate among the screws on either side of the heat sink until they are snug, and then alternate again until they are tight, making sure that you do not overtighten any of them.

  • Page 82: Removing The System Board

    7. Remove all heat sinks and microprocessors, and set them aside on a static-protective surface for reinstallation (see “Removing a microprocessor” on page 61). IBM System x3455 Type 7940 and 7941: Problem Determination and Service Guide...

  • Page 83: Installing The System Board

    8. Remove the memory modules and set them aside on a static-protective surface for reinstallation (see “Removing a memory module (DIMM)” on page 39). Note: Make a note of the location of each DIMM as you remove it, so that you can later reinstall it in the same socket.
  • Page 84 Important: Perform the following updates: v Update the UUID (see “Updating the UUID” on page 17). v Update the DMI/SMBIOS (see “Updating the DMI/SMBIOS data” on page 17). IBM System x3455 Type 7940 and 7941: Problem Determination and Service Guide...

  • Page 85: Chapter 5. Diagnostics

    Diagnostic programs, messages, and error messages The diagnostic programs are the primary method of testing the major components of the server. The diagnostic programs are on the IBM Enhanced Diagnostics CD that comes with the server. See “Diagnostic programs, messages, and error codes”...
  • Page 86 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 7940 and 7941 servers,” on page 19 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
  • Page 87 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 7940 and 7941 servers,” on page 19 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
  • Page 88 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 7940 and 7941 servers,” on page 19 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
  • Page 89 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 7940 and 7941 servers,” on page 19 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
  • Page 90 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 7940 and 7941 servers,” on page 19 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
  • Page 91 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 7940 and 7941 servers,” on page 19 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
  • Page 92 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 7940 and 7941 servers,” on page 19 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
  • Page 93 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 7940 and 7941 servers,” on page 19 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).

  • Page 94: Error Logs

    Viewing error logs from the Configuration/Setup Utility program For complete information about using the Configuration/Setup Utility program, see the User’s Guide on the IBM System x Documentation CD. For a list of system event codes and error codes, see “BMC system-event log messages” on page 109.

  • Page 95: Post Error Codes

    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 7940 and 7941 servers,” on page 19 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
  • Page 96 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 7940 and 7941 servers,” on page 19 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
  • Page 97 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 7940 and 7941 servers,” on page 19 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
  • Page 98 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 7940 and 7941 servers,” on page 19 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
  • Page 99 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 7940 and 7941 servers,” on page 19 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
  • Page 100 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 7940 and 7941 servers,” on page 19 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).

  • Page 101: Checkout Procedure

    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 7940 and 7941 servers,” on page 19 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).

  • Page 102: Performing The Checkout Procedure

    Check for the following results: v Successful completion of POST (see “POST” on page 67 for more information) v Successful completion of startup 3. Did one or more beeps sound? IBM System x3455 Type 7940 and 7941: Problem Determination and Service Guide...
  • Page 103 v No: Find the failure symptom in “Troubleshooting tables” on page 86; if necessary, run the diagnostic programs (see “Running the diagnostic programs” on page 101). – If you receive an error, see “Diagnostic error codes” on page 103. – If the diagnostic programs were completed successfully and you still suspect a problem, see “Solving undetermined problems”...

  • Page 104: Troubleshooting Tables

    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 7940 and 7941 servers,” on page 19 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).

  • Page 105: General Problems

    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 7940 and 7941 servers,” on page 19 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).

  • Page 106: Hard Disk Drive Problems

    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 7940 and 7941 servers,” on page 19 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).

  • Page 107: Usb Keyboard, Mouse, Or Pointing-Device Problems

    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 7940 and 7941 servers,” on page 19 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).

  • Page 108: Memory Problems

    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 7940 and 7941 servers,” on page 19 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).

  • Page 109: Microprocessor Problems

    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 7940 and 7941 servers,” on page 19 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).

  • Page 110: Monitor Or Video Problems

    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 7940 and 7941 servers,” on page 19 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
  • Page 111 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 7940 and 7941 servers,” on page 19 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).

  • Page 112: Optional-Device Problems

    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 7940 and 7941 servers,” on page 19 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).

  • Page 113: Power Problems

    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 7940 and 7941 servers,” on page 19 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).

  • Page 114: Serial Port Problems

    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 7940 and 7941 servers,” on page 19 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).

  • Page 115: Software Problems

    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 7940 and 7941 servers,” on page 19 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).

  • Page 116: System Board Error Leds And The Light Path Button

    31). If the server is not connected to ac power, press the light path button. A lit LED on or beside a component identifies the component that is causing the error. The following illustration shows the LEDs on the system board. IBM System x3455 Type 7940 and 7941: Problem Determination and Service Guide...

  • Page 117: Light Path Button

    DIMM 7 error LED DIMM 8 error LED DIMM 9 error LED Battery error LED DIMM 10 error LED Slot 1 error LED DIMM 11 error LED Light-path power LED DIMM 12 error LED BMC heartbeat Slot 2 error LED Microprocessor 2 error LED Microprocessor 2...
  • Page 118 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 7940 and 7941 servers,” on page 19 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).

  • Page 119: Diagnostic Programs, Messages, And Error Codes

    7. Select CD/DVD-ROM as the first startup device. 8. Press Esc two times to return to the Configuration/Setup Utility menu. 9. Insert the IBM Enhanced Diagnostics CD in the CD drive. 10. Select Save & Exit Setup and follow the prompts. The diagnostic program starts.

  • Page 120: Diagnostic Text Messages

    2. To save the test log to a diskette, you must use a diskette that you have formatted yourself; this function does not work with preformatted diskettes. If the diskette has sufficient space for the test log, the diskette can contain other data. IBM System x3455 Type 7940 and 7941: Problem Determination and Service Guide...

  • Page 121: Diagnostic Error Codes

    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 7940 and 7941 servers,” on page 19 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
  • Page 122 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 7940 and 7941 servers,” on page 19 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
  • Page 123 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 7940 and 7941 servers,” on page 19 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
  • Page 124 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 7940 and 7941 servers,” on page 19 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).

  • Page 125: Recovering From A Bios Update Failure (Clearing Cmos)

    Recovering from a BIOS update failure (Clearing CMOS) If power to the server is interrupted while BIOS code is being updated, the server might not restart correctly or might not display video. If this happens, complete the following steps to recover: 1.
  • Page 126 36); then, install the cover (see “Installing the cover” on page 31). 14. Install the server in the rack. 15. Reconnect the external cables and power cords; then, turn on the attached devices and turn on the server. IBM System x3455 Type 7940 and 7941: Problem Determination and Service Guide...

  • Page 127: Bmc System-Event Log Messages

    BMC system-event log messages The BMC system event log, which you can view through the Configuration/Setup Utility program (see “Viewing error logs from the Configuration/Setup Utility program” on page 76), contains BMC event message details. The following illustration shows an example of a BMC log entry as viewed from the Configuration/Setup Utility program.

  • Page 128: Ipmi Bmc System-Event Log Messages

    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 7940 and 7941 servers,” on page 19 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
  • Page 129 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 7940 and 7941 servers,” on page 19 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
  • Page 130 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 7940 and 7941 servers,” on page 19 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
  • Page 131 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 7940 and 7941 servers,” on page 19 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
  • Page 132 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 7940 and 7941 servers,” on page 19 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).

  • Page 133: Bios-Logged Bmc System-Event Log Messages

    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 7940 and 7941 servers,” on page 19 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
  • Page 134 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 7940 and 7941 servers,” on page 19 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).

  • Page 135: Resetting Passwords

    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 7940 and 7941 servers,” on page 19 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
  • Page 136 7. Move the jumper on J52 from pins 2 and 3 to pins 1 and 2. 8. Replace the cover, connect the server to a USB keyboard, monitor, USB mouse, and peripheral devices; then, connect the server to a power source. IBM System x3455 Type 7940 and 7941: Problem Determination and Service Guide...

  • Page 137: Solving Power Problems

    To reset the power-on and administrator passwords, complete the following steps. 1. Turn on the server. 2. When the prompt Press F1 for Configuration/Setup is displayed, press F1. 3. Select System Security from the main menu. 4. Follow the instructions on the menu to reset each password. Solving power problems Power problems can be difficult to solve.

  • Page 138: Video Adapter Information

    LCD monitor. This is the highest resolution that is supported for the NVIDIA Quadro FX 1700 video adapter in the server. v The high-definition video out connector on the NVIDIA Quadro FX 1700 video adapter is not supported. IBM System x3455 Type 7940 and 7941: Problem Determination and Service Guide...

  • Page 139: Solving Undetermined Problems

    3. Remove or disconnect the following devices, one at a time, until you find the failure. Turn on the server and reconfigure it each time. v Any external devices. v Printer, mouse, and non-IBM devices. v Each adapter. v Hard disk drives.

  • Page 140: Calling Ibm For Service

    Machine type and model v BIOS level v Memory amount, type, and configuration IBM System x3455 Type 7940 and 7941: Problem Determination and Service Guide...
  • Page 141 v Adapters and attachments, in the same locations v Address jumpers, terminators, and cabling v Software versions and levels v Diagnostic program type and version level v Configuration option settings v Operating-system control-file setup Chapter 5. Diagnostics...
  • Page 142 IBM System x3455 Type 7940 and 7941: Problem Determination and Service Guide...

  • Page 143: 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 144: Getting Help And Information From The World Wide Web

    Getting help and information from the World Wide Web On the World Wide Web, the IBM Web site has up-to-date information about IBM systems, optional devices, services, and support. The address for IBM System x and xSeries information is http://www.ibm.com/systems/x/. The address for IBM IntelliStation information is http://www.ibm.com/intellistation/.

  • Page 145: 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 146: Important Notes

    IBM. Maximum memory may require replacement of the standard memory with an optional memory module. IBM System x3455 Type 7940 and 7941: Problem Determination and Service Guide...

  • Page 147: 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 148: Battery Return Program

    United States, go to http://www.ibm.com/ibm/environment/ products/index.shtml or contact your local waste disposal facility. In the United States, IBM has established a return process for reuse, recycling, or proper disposal of used IBM sealed lead acid, nickel cadmium, nickel metal hydride, and battery packs from IBM equipment.

  • Page 149: Electronic Emission Notices

    For proper collection and treatment, contact your local IBM representative. This notice is provided in accordance with Royal Decree 106/2008 of Spain: The retail price of batteries, accumulators, and power cells includes the cost of the environmental management of their waste.

  • Page 150: Industry Canada Class A Emission Compliance Statement

    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. Unauthorized changes or modifications could void the user’s authority to operate the equipment.

  • Page 151: Taiwanese Class A Warning Statement

    Taiwanese Class A warning statement Chinese Class A warning statement Japanese Voluntary Control Council for Interference (VCCI) statement Appendix B. Notices...
  • Page 152 IBM System x3455 Type 7940 and 7941: Problem Determination and Service Guide...

  • Page 153: Index

    BMC log 110 replacing 36 default configuration values, restoring 117 specifications 3 diagnostic CD-eject button 5 error codes 103 checkout procedure 83, 84 programs 101 Class A electronic emission notice 131 programs, updating 15 © Copyright IBM Corp. 2007...
  • Page 154 USB 89 adapters 36 power 95 air baffle 33 serial port 96 battery 44 ServerGuide 96 CD or DVD drive 38 software 97 CD-RW/DVD backplane 52 USB device 97 IBM System x3455 Type 7940 and 7941: Problem Determination and Service Guide...
  • Page 155 installing (continued) messages cover 31 diagnostic 101 fan 43 microprocessor heat sink 63 coordination with DIMMs 40 memory 41 installing 62 microprocessor 62 problems 91 operator information panel 50 replacing 61 riser card assembly 34 requirements 40 system board 65 specifications 3 integrated functions 3 monitor problems 92...
  • Page 156 117 connectors 6, 7 riser card problems 97 connector location 7 requirements 6 installing 34 specifications 3 removing 33 unknown password, bypassing 117 updating firmware 15 BMC 16 IBM System x3455 Type 7940 and 7941: Problem Determination and Service Guide...
  • Page 157 using Configuration/Setup Utility 15 Ethernet controllers 16 video connector 7 controller specifications 3 video problems 92 VRD error LED 13 Index...
  • Page 158 IBM System x3455 Type 7940 and 7941: Problem Determination and Service Guide...
  • Page 160 Part Number: 49Y0088 Printed in USA (1P) P/N: 49Y0088...

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