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IBM BladeCenter HT 8740 Problem Determination And Service Manual

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BladeCenter HT Type 8740 and 8750
Problem Determination and Service Guide

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  • Page 1 BladeCenter HT Type 8740 and 8750 Problem Determination and Service Guide...
  • Page 3 BladeCenter HT Type 8740 and 8750 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 125, and the IBM Safety Information and IBM Systems Environmental Notices and User Guide documents on the IBM Documentation CD.

  • Page 5: Table Of Contents

    Removing a blade server ....60 Installing a blade server ....61 © Copyright IBM Corp. 2012...
  • Page 6 Solving undetermined problems ....118 Calling IBM for service ..... 120 Appendix A.
  • Page 7 Hardware service and support ....123 IBM Taiwan product service ....123 Appendix B.
  • Page 8 BladeCenter HT Type 8740 and 8750: 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. 2012...

  • 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: Guidelines For Servicing Electrical Equipment

    8. Make sure that the power-supply cover fasteners (screws or rivets) have not been removed or tampered with. Guidelines for servicing electrical equipment Observe the following guidelines when servicing electrical equipment: v Check the area for electrical hazards such as moist floors, nongrounded power extension cords, and missing safety grounds.
  • Page 12 Each caution and danger statement in this document is labeled with a number. This number is used to cross reference an English-language caution or danger statement with translated versions of the caution or danger statement in the Safety Information document. For example, if a caution statement is labeled "Statement 1,"...
  • Page 13 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 14 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 15 Statement 21: CAUTION: Hazardous energy is present when the blade is connected to the power source. Always replace the blade cover before installing the blade. Statement 29: CAUTION: This equipment is designed to permit the connection of the earthed conductor of the dc supply circuit to the earthing conductor at the equipment.
  • Page 16 Statement 31: 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 power source.
  • Page 17 Statement 32: CAUTION: To avoid personal injury, before lifting the unit, remove all the blades, power supplies, and removable modules to reduce the weight. Statement 33: CAUTION: This device does not provide a power control button. Removing power supply modules or turning off the server blades does not turn off the electrical current supplied to the device.
  • Page 18 Statement 34: CAUTION: To reduce the risk of electric shock or energy hazards: v This equipment must be installed by trained service personnel in a restricted-access location, as defined by the NEC and IEC 60950-1, First Edition, The Standard for Safety of Information Technology Equipment. v Connect the equipment to a properly grounded safety extra low voltage (SELV) source.

  • 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 can 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 computer.
  • Page 20 This document provides the installation instructions and warranty information for an IBM BladeCenter HT dc Power Supply Module. v IBM BladeCenter HT Interposer for Gb Switch/Bridge Bays and IBM BladeCenter HT Interposer for Gb Switch/Bridge Bays with Interswitch Links (ISL) Installation...

  • Page 21: Notices And Statements In This Document

    Deployment scenarios The IBM BladeCenter HT unit can be deployed to support a variety of networking goals and environments, such as: v Central Office (CO) environment IBM BladeCenter HT is ideally suited for network telecommunications facilities or carrier-grade environments that require maximum equipment operability.
  • Page 22 Any location where the National Electric Code (NEC) applies. The IBM BladeCenter HT unit can be installed in any location where NEC requirements are used. BladeCenter HT Type 8740 and 8750: Problem Determination and Service Guide...

  • Page 23: Features And Specifications

    Features and specifications The following table provides a summary of the features and specifications of the BladeCenter HT unit. Depending on the model, some features might not be available, or some specifications might not apply. Media tray (on front): Management module: Environment (per Telcordia GR-63-CORE): v Minimum: One hot-swap media tray v Minimum: One hot-swap advanced...

  • Page 24: Bladecenter Ht Unit Power, Controls, And Indicators

    BladeCenter HT unit power, controls, and indicators This section describes the controls and light-emitting diodes (LEDs) and how to start and shut down the BladeCenter HT unit. Supplying power to the BladeCenter HT unit The BladeCenter HT unit does not have a power switch. The BladeCenter HT unit has four power connectors;...
  • Page 25 -48 volt dc power source. IBM service technicians are not certified or authorized to install or remove the -48 volt power cable. The customer is responsible for ensuring that only trained service personnel install or remove the -48 volt power cable.
  • Page 26 connecting the safety ground wire. Each terminal has a terminal cover. Remove the terminal cover before connecting cables to each terminal and reinstall the terminal cover on each terminal before supplying power to the BladeCenter HT unit. For more information on removing and installing a terminal cover, see “Removing a dc terminal cover”...
  • Page 27 v The overcurrent protective device or circuit breaker must be accessible to service personnel to prevent the power from being turned on by someone other than technician servicing the BladeCenter HT unit. v The BladeCenter HT unit has a dc wire rating of 4 AWG (circular mil area of 33100-52600) and rated 90 degree C.
  • Page 28 v For NEBS compliance, the protective earthing conductor must use copper conductors with a size minimum of 6 AWG (circular mil area of 20800–33100) and must be terminated in a UL recognized two hole lug sized for a M6 stud. Chassis ground studs are on 5/8-inch centers.

  • Page 29: Disconnecting Power From The Bladecenter Ht Unit

    Only trained service personnel, other than IBM service technicians, are authorized to make the connections to and disconnections from the -48 volt dc power source. IBM service technicians are not certified or authorized to install or remove the -48 volt power cable.
  • Page 30 d. Remove the nut, split washer, flat washer, and power cord from each terminal post. e. Remove the power cables. BladeCenter HT Type 8740 and 8750: Problem Determination and Service Guide...
  • Page 31 v BladeCenter HT type 8750: a. Make sure the blade servers are powered off. Statement 33: CAUTION: This device does not provide a power control button. Removing power supply modules or turning off the server blades does not turn off the electrical current supplied to the device. The device also might have more than one power cord.

  • Page 32: Bladecenter Ht Components, Controls, And Leds

    BladeCenter HT components, controls, and LEDs This section identifies the components, controls, and LEDs on the front and rear of the BladeCenter HT unit. Front view This section identifies the components, controls, and LEDs on the front of the BladeCenter HT unit. Power modules: The following illustration shows the LEDs on each power module.
  • Page 33 v Power module error LED: When this amber LED is lit, a power module failure has occurred, and it is not operating within specifications. v Fan error LED: When this amber LED is lit, a fan pack has failed and is not operating within specifications.
  • Page 34 – Minor system fault: When this amber LED is lit, the BladeCenter HT unit has a minor system fault. The system can continue to operate, usually without noticeable loss of functionality or performance. – Media tray fault: When this amber LED is lit, there is a fault on the media tray.
  • Page 35 Power connectors: The BladeCenter HT unit has four power connectors. For information on power source requirements and cabling for your BladeCenter HT unit, see “Supplying power to the BladeCenter HT unit” on page 6 for more information. Chapter 1. Introduction...
  • Page 36 Fan modules: When the amber LED on a fan module is lit, an error has been detected in the fan module or power to the fan module is not present. The system-error LEDs on the BladeCenter system LED panels are also lit. Attention: If more than two fan modules are removed or more than two fan modules experience a double fan failure, the blade servers will shut down within 1 to 3 seconds.
  • Page 37 blade server requires attention, the location LED on the blade server usually will also be lit. After the BladeCenter HT unit has been located, you can have the system administrator turn off the location LED. v Critical system fault: When this LED is lit, the BladeCenter HT unit has a critical system fault.
  • Page 38 Pin # Description Input/Output signal Reserved Reserved Reserved Reserved The electrical specifications for the alarm panel interface connector are as follows: – Outputs - Voltage range: 0 V dc to -100 V dc (maximum current 0.3 A at 100 V dc) - Current range: 0 A to 1 A (maximum voltage 30 V dc at 1 A) - Worst-case VA: 1 A at -30 V dc (30 VA maximum) indefinitely –...

  • Page 39: Chapter 2. Configuration Information And Guidelines

    The firmware for the management module and other BladeCenter components is periodically updated and is available for download on the Web. Go to http://www.ibm.com/support/ to get the latest level of firmware, such as BIOS code and device drivers. Note: When replacing BladeCenter components, you might have to update the management module or other components with the latest version of firmware.

  • Page 40: Configuring Blade Servers

    Configuring blade servers To achieve communication redundancy on a blade server, you must configure the Ethernet controllers on the blade servers for failover. When failover occurs on a blade server, the secondary Ethernet controller takes over network communications, using the I/O module that is associated with that controller. Install a pair of Ethernet switches in I/O-module bays 1 and 2;...

  • Page 41: Chapter 3. Parts Listing

    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 42: Front View

    Front view CRU part part number number FRU part Index Description (Tier 1) (Tier 2) number Chassis shell (without shuttle) 42C3069 I/O module interposer 42C3724 Filler tray, advanced management module and I/O 42C3070 module (use with 42C3068) Filler, advanced management module and I/O module 42C3068 (use with 42C3070) dc power module (without fan pack)
  • Page 43 Cable management tray (bottom) 42C3737 Chassis lift handles (4) 42C3733 System service card 42C3729 Air filter 42C3739 Cisco Systems 4X InfiniBand Switch Module for IBM 23E1756 BladeCenter Switch/Bridge interposer with Inter-switch links (ISL) 42C3672 CompactFlash 1GB 42C5323 CompactFlash 4GB 42C5324...

  • Page 44: Rear View

    Rear view CRU part CRU part number number FRU part Index Description (Tier 1) (Tier 2) number Chassis shell (without shuttle) 42C3069 Midplane 42C3673 Fan module 42C3071 Fan shuttle 42C3099 Multiplexer expansion module 42C3723 Alarm panel module 42C3726 Network clock filler 42C3680 ac power box (top) 42C2962...
  • Page 45 CRU part CRU part number number FRU part Index Description (Tier 1) (Tier 2) number Cable, alarm panel (15 pin cable) 39M4255 Cable, ac jumper cord (C20/C19) 39M5456 Cable, serial port breakout 40K9608 Chapter 3. Parts listing...

  • Page 46: Ac Power Cords

    AC power cords FRU part number Description Used in these countries 39M5278 Cable, NEMA L6-20P Antigua and Barbuda, Aruba, Bahamas, Barbados, Belize, Bermuda, Bolivia, Caicos Islands, Canada, Cayman Islands, Costa Rica, Columbia, Cuba, Dominican Republic, Ecuador, El Salvador, Guam, Guatemala, Haiti, Honduras, Jamaica, Japan, Mexico, Micronesia (Federal States of), Netherlands Antilles, Nicaragua, Panama, Peru,...
  • Page 47 FRU part number Description Used in these countries 39M5290 Cable, SABS 164 Bangladesh, Lesotho, Macao, Maldives, Namibia, Nepal, Pakistan, Samoa, South Africa, Sri Lanka, Swaziland 39M5298 Cable, CEI 23-16Chile, Italy, Libyan Worldwide except: Australia, Arab Jamahiriya Canada, Japan, Korea, Mexico, New Zealand, United States of America 39M5322...
  • Page 48 BladeCenter HT Type 8740 and 8750: Problem Determination and Service Guide...

  • Page 49: Chapter 4. Removing And Replacing Bladecenter Ht 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 can install a Tier 2 CRU yourself or request IBM to install it, at no additional charge, under the type of warranty service that is designed for your computer.

  • Page 50: System Reliability Guidelines

    BladeCenter HT unit, open or close a latch, and so on. v For a list of supported options for the BladeCenter HT unit, see http://www.ibm.com/servers/eserver/serverproven/compat/us/. System reliability guidelines To help ensure proper system cooling and system reliability, make sure that the...

  • Page 51: Returning A Device Or Component

    v Do not leave the device where others can handle and damage it. v While the device is still in its static-protective package, touch it to an unpainted metal part of the BladeCenter HT unit or rack for at least 2 seconds. This drains static electricity from the package and from your body.

  • Page 52: 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 from your hardware.

  • Page 53: Installing A Bezel

    1. Read the safety information that begins on page vii and “Installation guidelines” on page 31. 2. Holding the sides of the bezel, orient the bezel so the IBM logo is at the top and right corner. 3. Place the bottom edge of the bezel on the bezel retention tab.

  • Page 54: Removing A Bezel Filter

    Removing a bezel filter 1. Read the safety information that begins on page vii and “Installation guidelines” on page 31. 2. Remove the bezel (see “Removing a bezel” on page 34). 3. Lay the bezel on a flat work surface and orient it so that the bottom of the bezel is closest to you and the light path holes are to the right.
  • Page 55 4. Remove the air filter assembly from the filter frame by pulling out and rotating the air filter assembly locks until they no longer engage the air filter assembly. 5. Remove the air filter assembly; then, remove the old filter from the filter frame and dispose of it.

  • Page 56: Installing A Bezel Filter

    Installing a bezel filter 1. Read the safety information that begins on page vii and “Installation guidelines” on page 31. 2. Lay the bezel on a flat work surface and orient it so that the bottom of the bezel is closest to you and the light path holes are to the right. The large rectangles in the filter frame should be closest to you.
  • Page 57 3. Lay the new filter on a clean flat surface and orient it so that the cutouts for the light path extension assemblies are to the right and the large cutout at the bottom of the filter is closest to you. 4.
  • Page 58 5. Secure the air filter assembly by pulling out and rotating the air filter assembly locks until they engage the air filter assembly. 6. Install the bezel on the BladeCenter HT unit (see “Installing a bezel” on page 35). BladeCenter HT Type 8740 and 8750: Problem Determination and Service Guide...

  • Page 59: Removing A Bezel Collar

    Removing a bezel collar Complete the following steps to install the BladeCenter HT bezel collar. 1. Read the safety information that begins on page vii and “Installation guidelines” on page 31. 2. Remove the bezel. See “Removing a bezel” on page 34 for more information. 3.
  • Page 60 a. Push the release tab towards the center of the BladeCenter HT unit. b. Pull the light path extension assembly away from the BladeCenter HT unit. c. Remove management module 1 and its interposer tray from management module bay 1. See “Removing a management module” on page 75 and “Removing a management-module interposer”...
  • Page 61 e. Using a phillips-head screwdriver, loosen the captive mounting screws on the cable management trays so that they do not secure the trays and bezel collar to the BladeCenter HT unit. f. Remove the bezel collar by lifting up the bezel collar and then pulling the bezel collar away from the BladeCenter HT unit.
  • Page 62 4. Remove the cable management trays by using a phillips-head screwdriver to remove the M4 screws that secure each tray to the bezel. Note: Three M4 screws are used to secure the upper cable management tray and four M4 screws are used to secure the lower cable management tray. 5.

  • Page 63: Installing A Bezel Collar

    Installing a bezel collar ® Complete the following steps to install the BladeCenter HT bezel collar. 1. Read the safety information that begins on page vii and “Installation guidelines” on page 31. 2. If installed, remove the cable management trays from the BladeCenter HT unit. See “Removing a cable management tray”...
  • Page 64 b. Select one of the cable management trays and align the mounting holes of the cable management tray with the mounting holes in the bezel collar. c. Secure the cable management tray to the collar using the supplied M4 screws. Note: Three M4 screws are used to secure the upper cable management tray.
  • Page 65 c. Secure the bezel collar to the BladeCenter HT unit by using a phillips-head screwdriver to tighten the captive mounting screws on the cable management trays. 7. Reinstall the management module 1 and its interposer tray into management module bay 1. See “Installing a management-module interposer” on page 74 and “Installing a management module”...
  • Page 66 9. Install the light path extension assembly. Two light path extension assemblies are shipped with the BladeCenter HT bezel to extend the light path LEDs so that they are visible through the bezel. Install one light path extension assembly for each of the management modules installed in your BladeCenter HT unit.

  • Page 67: Removing A Cable Management Tray

    Removing a cable management tray The cable management trays can be installed with or without the BladeCenter HT bezel. To remove the cable management trays and the BladeCenter HT bezel. See “Removing a bezel collar” on page 41 for more information. To remove a cable management tray that is installed without the BladeCenter HT bezel, complete the following steps.

  • Page 68: Installing A Cable Management Tray

    Installing a cable management tray The cable management trays can be installed with or without the BladeCenter HT bezel. To install the cable management trays with the BladeCenter HT bezel, see “Installing a bezel collar” on page 45 for more information. To install a cable management tray without the BladeCenter HT bezel, complete the following steps.

  • Page 69: Removing A Media Tray

    Removing a media tray To remove a media tray, complete the following steps. 1. Read the safety information that begins on page vii and “Installation guidelines” on page 31. 2. Remove the bezel, if it is installed, to access the media tray to be removed (see “Removing a bezel collar”...

  • Page 70: Installing A Media Tray

    Installing a media tray To install a media tray, complete the following steps. 1. Read the safety information that begins on page vii and “Installation guidelines” on page 31. 2. Make sure that the CompactFlash release button is pressed into the in position. 3.

  • Page 71: Removing A Compactflash Module

    Removing a CompactFlash module To remove a CompactFlash module, complete the following steps. 1. Read the safety information that begins on page vii and “Installation guidelines” on page 31. 2. Pull out the media tray from the BladeCenter HT unit so that the CompactFlash connectors are accessible (see “Removing a media tray”...

  • Page 72: Installing A Compactflash Module

    Installing a CompactFlash module To install a CompactFlash card, complete the following steps. 1. Read the safety information that begins on page vii and “Installation guidelines” on page 31. 2. Pull out the media tray from the BladeCenter HT unit so that the CompactFlash connectors are accessible (see “Removing a media tray”...

  • Page 73: Removing A Power Module

    Removing a power module Attention: v To help ensure proper cooling and system reliability, make sure that you replace a removed power module or filler with a power module or filler within 1 minute. v If you are removing a functioning power module, make sure that power LEDs on the remaining power modules are lit;...
  • Page 74 To remove a power module or power-module filler, complete the following steps. Note: These instructions assume that the BladeCenter HT unit is connected to power. 1. Read the safety information that begins on page vii and “Installation guidelines” on page 31. 2.

  • Page 75: Installing A Power Module

    Installing a power module To install a power module or power-module filler, complete the following steps. Note: These instructions assume that the BladeCenter HT unit is connected to power. 1. Read the safety information that begins on page vii and “Installation guidelines” on page 31.

  • Page 76: Removing A Fan Pack

    Removing a fan pack To remove a fan pack from a power module, complete the following steps. 1. Read the safety information that begins on page vii and “Installation guidelines” on page 31. 2. Remove the selected power module (see “Removing a power module” on page 55).

  • Page 77: Installing A Fan Pack

    Installing a fan pack To install a fan pack on a power module, complete the following steps. 1. Read the safety information that begins on page vii and “Installation guidelines” on page 31. 2. Make sure that the handle is rotated down so that it is parallel with the bottom of the module, with the power module rear connector facing up.

  • Page 78: Removing A Blade Server

    Removing a blade server Attention: v To maintain proper system cooling, do not operate the BladeCenter HT unit without a blade server, expansion unit, or blade server filler installed in each blade bay. v Note the bay number. Reinstalling a blade server into a different bay from the one from which it was removed could have unintended consequences.

  • Page 79: Installing A Blade Server

    Installing a blade server Statement 21: CAUTION: Hazardous energy is present when the blade is connected to the power source. Always replace the blade cover before installing the blade. Attention: v Reinstalling a blade server into a different bay from the one from which it was removed could have unintended consequences.

  • Page 80: Removing An I/O-Module Interposer

    b. When any blade server or device is in blade bays 7 through 12, power modules must be present in all four power bays. 3. Remove the filler from the bay, if one is installed. Attention: To help ensure proper cooling, performance, and system reliability, do not operate the BladeCenter HT unit for more than 1 minute without either a blade server or a blade filler installed in each blade bay.

  • Page 81: Installing An I/O-Module Interposer

    5. Pull the release handle or handles to the open position. The interposer moves out of the bay approximately 0.6 cm (0.25 inch). 6. If you are instructed to return the interposer, follow all packaging instructions and use any packaging materials for shipping that are supplied to you. Installing an I/O-module interposer To install an I/O-module interposer or interposer tray, complete the following steps.

  • Page 82: Removing An I/O Module

    Removing an I/O module To remove an I/O module or module filler, complete the following steps. Note: These instructions assume that the BladeCenter HT unit is connected to power. 1. Read the safety information that begins on page vii and “Installation guidelines” on page 31.

  • Page 83: Installing An I/O Module

    Installing an I/O module The BladeCenter HT unit has eight hot-swap I/O module bays that are compatible with three types of I/O modules (see “Rear view” on page 16 for the location of the I/O module bays). See the Installation and User’s Guide for a description of the types of modules that can be used in each bay.

  • Page 84: Removing A High-Speed I/O-Module Interposer Tray

    Removing a high-speed I/O-module interposer tray To remove a high-speed I/O-module interposer or interposer tray, complete the following steps. 1. Read the safety information that begins on page vii and “Installation guidelines” on page 31. 2. Remove the bezel as needed to access the high-speed I/O-module interposer to be removed (see “Removing a bezel collar”...

  • Page 85: Installing A High-Speed I/O-Module Interposer Tray

    Installing a high-speed I/O-module interposer tray To install a high-speed I/O-module interposer or interposer tray, complete the following steps. 1. Read the safety information that begins on page vii and “Installation guidelines” on page 31. 2. Make sure that the high-speed I/O-module interposer release handles are in the open position.

  • Page 86: Removing A High-Speed I/O-Module Interposer Card

    Removing a high-speed I/O-module interposer card 1. Read the safety information that begins on page vii and “Installation guidelines” on page 31. 2. Remove the high-speed I/O-module interposer from which you want to remove the interposer card (see “Removing a high-speed I/O-module interposer tray” on page 66).

  • Page 87: Installing A High-Speed I/O-Module Interposer Card

    Installing a high-speed I/O-module interposer card 1. Read the safety information that begins on page vii and “Installation guidelines” on page 31. 2. Orient the interposer tray so that the standoffs are facing up and place it on a flat surface. 3.
  • Page 88 a. Install the interposer card on the upper interposer tray: 1) Be sure that the connectors on the interposer card are oriented as shown in the illustration above. 2) Align the holes in the interposer card with the standoffs on the tray; then, secure the card to the tray using the supplied thumbscrews.

  • Page 89: Removing A High-Speed I/O Module

    Removing a high-speed I/O module To remove a high-speed I/O module or module filler, complete the following steps. 1. Read the safety information that begins on page vii and “Installation guidelines” on page 31. 2. Remove the bezel as needed to access the high-speed I/O module to be removed (see “Removing a bezel collar”...

  • Page 90: Installing A High-Speed I/O Module

    Installing a high-speed I/O module The BladeCenter HT unit has four hot-swap high-speed I/O module bays that are compatible with three types of I/O modules (see “Rear view” on page 16 for the location of the I/O module bays). See the Installation and User’s Guide for a description of the types of modules that can be used in each bay.

  • Page 91: Removing A Management-Module Interposer

    Removing a management-module interposer To remove a management-module interposer or tray filler, complete the following steps. 1. Read the safety information that begins on page vii and “Installation guidelines” on page 31. 2. Remove the bezel, if installed, to access the management-module interposer to be removed (see “Removing a bezel collar”...

  • Page 92: Installing A Management-Module Interposer

    Installing a management-module interposer To install a management-module interposer or tray, complete the following steps. 1. Read the safety information that begins on page vii and “Installation guidelines” on page 31. 2. Remove the management module filler and management module tray filler (see “Removing a management module”...

  • Page 93: Removing A Management Module

    Removing a management module To remove a management module or filler, complete the following steps. Notes: 1. If you are replacing the only management module in the BladeCenter HT unit and the management module is functioning, save the configuration file before you proceed.

  • Page 94: Installing A Management Module

    Installing a management module To install a management module or filler, complete the following steps. Note: These instructions assume that the BladeCenter HT unit is connected to power. 1. Read the safety information that begins on page vii and “Installation guidelines” on page 31.

  • Page 95: Removing A Network Clock-Module Filler

    Removing a network clock-module filler To remove a network clock-module filler, complete the following steps. 1. Read the safety information that begins on page vii and “Installation guidelines” on page 31. 2. Pull the release handle to the open position. The module moves out of the bay approximately 0.6 cm (0.25 inch).

  • Page 96: Installing A Network Clock-Module Filler

    Installing a network clock-module filler To install a network clock-module filler, complete the following steps. 1. Read the safety information that begins on page vii and “Installation guidelines” on page 31. 2. Make sure that the release handle on the filler is in the open position. 3.

  • Page 97: Removing A Multiplexer Expansion Module

    Removing a multiplexer expansion module To remove a multiplexer expansion module or filler, complete the following steps. 1. Read the safety information that begins on page vii and “Installation guidelines” on page 31. 2. Make sure the FRR LED on the multiplexer expansion module is lit. This LED must be lit before removing the module.

  • Page 98: Installing A Multiplexer Expansion Module

    Installing a multiplexer expansion module To install a multiplexer expansion module, complete the following steps. 1. Read the safety information that begins on page vii and “Installation guidelines” on page 31. 2. Make sure that the release handle on the module is in the open position. 3.

  • Page 99: Removing An Alarm Panel Module

    Removing an alarm panel module To remove an alarm panel module, complete the following steps. 1. Read the safety information that begins on page vii and “Installation guidelines” on page 31. 2. Disconnect all cables from the module. 3. Pull the release handle or handles to the open position. The module moves out of the bay approximately 0.6 cm (0.25 inch).

  • Page 100: Installing An Alarm Panel Module

    Installing an alarm panel module To install an alarm panel module, complete the following steps. 1. Read the safety information that begins on page vii and “Installation guidelines” on page 31. 2. Make sure that the release handle on the module is in the open position. 3.

  • Page 101: Removing A Fan Module

    Removing a fan module To remove a fan module, complete the following steps. Note: These instructions assume that the BladeCenter HT unit is connected to power. Attention: While the BladeCenter HT is operating, only one fan module should be removed at a time. Removing two fan modules might cause the BladeCenter HT unit to overheat.
  • Page 102 a. Remove the phillips-head screw that attaches the shipping block to the BladeCenter HT unit. b. Pull the shipping block away from the BladeCenter HT unit. Place the shipping block and screw in a safe place. Note: The shipping block is used to secure the fan module during shipping. Shipping blocks do not need to be installed during normal operation of the BladeCenter HT unit.

  • Page 103: Installing A Fan Module

    Installing a fan module To install a fan module, complete the following steps. Note: These instructions assume that the BladeCenter HT unit is connected to power. 1. Read the safety information that begins on page vii and “Installation guidelines” on page 31. 2.

  • Page 104: Removing A Dc Terminal Cover

    lever that is on the same side as the fan module orientation mark. a. Orient the shipping block below the release lever on the same side as the orientation mark on the fan module. b. Push the shipping block into the slot below the release lever. c.
  • Page 105 To remove a dc terminal cover from an IBM BladeCenter HT type 8740, complete the following steps. 1. Read the safety information that begins on page vii and “Handling static-sensitive devices” on page 32. 2. Shut down each blade server. See the documentation that comes with your blade servers for the procedure for shutting down the operating system.

  • Page 106: Installing A Dc Terminal Cover

    There are two types of terminal covers, depending on the date of manufacture. The following illustrations show both types of terminal covers. To install a dc terminal cover on an IBM BladeCenter HT type 8740, complete the following steps. 1. Read the safety information that begins on page vii and “Handling static-sensitive devices”...

  • Page 107: Removing The Fan Shuttle

    Removing the fan shuttle To remove the fan shuttle, complete the following steps. 1. Read the safety information that begins on page vii and “Installation guidelines” on page 31. 2. Shut down the operating systems and turn off any blade servers in the BladeCenter HT unit.

  • Page 108: Installing The Fan Shuttle

    9. While you support the fan shuttle with your hands, pull the shuttle out of the BladeCenter HT chassis. 10. If you are instructed to return the shuttle, follow all packaging instructions and use any packaging materials for shipping that are supplied to you. Installing the fan shuttle To install the shuttle, complete the following steps.
  • Page 109 v Network clock-module fillers (see “Installing a network clock-module filler” on page 78). v Multiplexer expansion modules (see “Installing a multiplexer expansion module” on page 80). v Alarm panel module (see “Installing an alarm panel module” on page 82). 9. Reconnect any cables that were disconnected from the modules in the rear of the BladeCenter HT unit.

  • Page 110: Removing And Replacing Frus

    Removing and replacing FRUs FRUs must be installed only by trained service technicians. The illustrations in this document might differ from your hardware. Removing a power box To remove a power box, complete the following steps. 1. Read the safety information that begins on page vii and “Installation guidelines” on page 31.
  • Page 111 Upper power box: Lower power box: 5. Remove the 5 phillips-head screws that attach the power box to the chassis. 6. Loosen the two captive thumbscrews on the power box by turning them counter-clockwise approximately 8 turns. 7. Slide the power box away from the BladeCenter HT unit. 8.

  • Page 112: Installing A Power Box

    Installing a power box To install a power box, complete the following steps. 1. Read the safety information that begins on page vii and “Installation guidelines” on page 31. 2. Orient the connectors on the back of the power box with the connectors in the BladeCenter HT chassis.
  • Page 113 Upper power box: Lower power box: 4. Tighten the two captive thumbscrews on the power box by turning the thumbscrews clockwise approximately eight turns. 5. Install the five phillips-head screws that attach the power box to the chassis. 6. Install the fan shuttle into the BladeCenter HT unit (see “Installing the fan shuttle”...

  • Page 114: Removing The Midplane

    Removing the midplane To remove the midplane, complete the following steps. 1. Read the safety information that begins on page vii and “Installation guidelines” on page 31. 2. Shut down the operating systems and turn off any blade servers in the BladeCenter HT unit.
  • Page 115 v I/O module interposers: Pull the handle on each I/O module interposer to the open position (see “Removing an I/O-module interposer” on page 62). v High-speed I/O module interposers: Pull the two release handles on each high-speed I/O module interposer to the open position (see “Removing a high-speed I/O-module interposer tray”...

  • Page 116: Installing The Midplane

    Installing the midplane To install the midplane, complete the following steps. 1. Read the safety information that begins on page vii and “Installation guidelines” on page 31. 2. Orient the midplane so that the "TOP" label is above the "BOTTOM" label and the labels face away from the chassis.
  • Page 117 v High-speed I/O module interposers: Slide each high-speed I/O-module interposer or tray into the BladeCenter HT; then, push the release handles to the closed position (see “Installing a high-speed I/O-module interposer tray” on page 67). v Management module interposers: Slide each management-module interposer or tray into the BladeCenter HT;...
  • Page 118 BladeCenter HT Type 8740 and 8750: Problem Determination and Service Guide...

  • Page 119: Chapter 5. Diagnostics

    Service data The management module stores important hardware information that can be accessed through the management module user interface. See the User’s Guide that comes with the management module for more information. © Copyright IBM Corp. 2012...

  • Page 120: Troubleshooting Tables

    Troubleshooting tables Use the troubleshooting tables to find solutions to problems that have identifiable symptoms. If one or more LEDs on the BladeCenter HT unit or the components is lit, see “Light path diagnostic LEDs” on page 113. If you cannot find the problem in these tables, see “Solving undetermined problems” on page 118.

  • Page 121: Fan-Module 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,” on page 23 to determine which components are CRUs and which components are FRUs. v If an action step is preceded by “(Trained service technician only),”...
  • Page 122 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,” on page 23 to determine which components are CRUs and which components are FRUs. v If an action step is preceded by “(Trained service technician only),”...

  • Page 123: Fan Pack Problems

    Fan pack 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,” on page 23 to determine which components are CRUs and which components are FRUs.
  • Page 124 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,” on page 23 to determine which components are CRUs and which components are FRUs. v If an action step is preceded by “(Trained service technician only),”...

  • Page 125: Keyboard, Mouse, Or Pointing-Device Problems

    Keyboard, mouse, or pointing-device problems Note: These symptoms apply only to the devices that are connected to the management module; they do not apply to the remote console or the media tray.. v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved.

  • Page 126: Media Tray 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,” on page 23 to determine which components are CRUs and which components are FRUs. v If an action step is preceded by “(Trained service technician only),”...
  • Page 127 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,” on page 23 to determine which components are CRUs and which components are FRUs. v If an action step is preceded by “(Trained service technician only),”...

  • Page 128: Monitor Or Video Problems

    Note: These symptoms apply only to the monitor that is connected to the management module; they do not apply to the remote console. Some IBM monitors have their own self-tests. If you suspect a problem with your monitor, see the documentation that comes with the monitor for instructions for testing and adjusting the monitor.

  • Page 129: 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,” on page 23 to determine which components are CRUs and which components are FRUs.
  • Page 130 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,” on page 23 to determine which components are CRUs and which components are FRUs. v If an action step is preceded by “(Trained service technician only),”...

  • Page 131: Light Path Diagnostic Leds

    Light path diagnostic LEDs Light path diagnostic LEDs are a system of LEDs on the BladeCenter HT unit and the BladeCenter components that can be used to identify system errors. If the front or rear system-error LED of the BladeCenter HT unit is lit, one or more error LEDs on the BladeCenter components also might be lit.
  • Page 132 Lit LED Cause Action Minor system fault When this LED is lit, the BladeCenter HT unit Check the error log for the messages. Check has a minor system fault. The system can the LEDs on the BladeCenter HT unit and the (Amber) continue to operate, usually without noticeable blade servers to isolate the component.

  • Page 133: Module Leds

    Module LEDs Use the following table to find solutions to problems that are identified by LEDs on the modules installed in BladeCenter HT unit. Note: To find descriptions and actions for LEDs on I/O modules or blade servers, see the documentation that comes with the device. v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved.
  • Page 134 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,” on page 23 to determine which components are CRUs and which components are FRUs. v If an action step is preceded by “(Trained service technician only),”...

  • Page 135: Event Log Messages

    Event log messages Messages that are generated while the management module is monitoring the BladeCenter HT unit or by the BIST program during startup are displayed in the management module event log. Each message includes a severity level (error [E], warning [W], or information [I]), a source (such as, management module [SERVPROC] or blade server number [BLADE_xx]), a timestamp, and a text description.

  • Page 136: Service Data

    Service data The management module stores important hardware information that can be accessed through the management module user interface. This information is useful for service personnel to troubleshoot problems. See the User’s Guide that comes with the management module for using the management module user interface to get the service data information.
  • Page 137 4. Move the power module to power module bay 2. 5. Make sure that the power cords are installed correctly. See “Supplying power to the BladeCenter HT unit” on page 6 for more information. 6. Contact IBM support. Chapter 5. Diagnostics...

  • Page 138: Calling Ibm For Service

    Calling IBM for service See Appendix A, “Getting help and technical assistance,” on page 121 for information about calling IBM for service. When you call for service, have as much of the following information available as possible: v Machine type, model, and serial number...

  • Page 139: 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. Use this information to obtain additional information about IBM and IBM products, determine what to do if you experience a problem with your IBM system or optional device, and determine whom to call for service, if it is necessary.

  • Page 140: Using The Documentation

    Creating a personalized support web page At http://www.ibm.com/support/mynotifications/, you can create a personalized support web page by identifying IBM products that are of interest to you. From this personalized page, you can subscribe to weekly email notifications about new technical documents, search for information and downloads, and access various administrative services.

  • Page 141: Hardware Service And Support

    In the U.S. and Canada, call 1-800-IBM-SERV (1-800-426-7378). Hardware service and support You can receive hardware service through your IBM reseller or IBM Services. To locate a reseller authorized by IBM to provide warranty service, go to http://www.ibm.com/partnerworld/ and click Find Business Partners on the right side of the page.
  • Page 142 BladeCenter HT Type 8740 and 8750: Problem Determination and Service Guide...

  • Page 143: Appendix B. Notices

    The materials at those websites are not part of the materials for this IBM product, and use of those websites 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 144: Important Notes

    “total bytes written” (TBW). A device that has exceeded this limit might fail to respond to system-generated commands or might be incapable of being written to. IBM is not responsible for replacement of a device that has exceeded its maximum guaranteed number of program/erase cycles, as documented in the Official Published Specifications for the device.

  • Page 145: Particulate Contamination

    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 might differ from its retail version (if available) and might not include user manuals or all program functionality.

  • Page 146: Telecommunication Regulatory Statement

    In the request, be sure to include the publication part number and title. When you send information to IBM, you grant IBM a nonexclusive right to use or distribute the information in any way it believes appropriate without incurring any obligation to you.

  • Page 147: Australia And New Zealand Class A Statement

    EU-Mitgliedsstaaten und hält die Grenzwerte der EN 55022 Klasse A ein. Um dieses sicherzustellen, sind die Geräte wie in den Handbüchern beschrieben zu installieren und zu betreiben. Des Weiteren dürfen auch nur von der IBM empfohlene Kabel angeschlossen werden. IBM übernimmt keine Verantwortung für die Einhaltung der Schutzanforderungen, wenn das Produkt ohne Zustimmung der IBM verändert bzw.

  • Page 148: Vcci Class A Statement

    914-499-1900 Der verantwortliche Ansprechpartner des Herstellers in der EU ist: IBM Deutschland GmbH Technical Regulations, Abteilung M372 IBM-Allee 1, 71139 Ehningen, Germany Telephone: +49 7032 15 2941 Email: lugi@de.ibm.com Generelle Informationen: Das Gerät erfüllt die Schutzanforderungen nach EN 55024 und EN 55022 Klasse A.

  • Page 149: Korea Communications Commission (Kcc) Statement

    Korea Communications Commission (KCC) statement This is electromagnetic wave compatibility equipment for business (Type A). Sellers and users need to pay attention to it. This is for any areas other than home. Russia Electromagnetic Interference (EMI) Class A statement People's Republic of China Class A electronic emission statement Taiwan Class A compliance statement Appendix B.
  • Page 150 BladeCenter HT Type 8740 and 8750: Problem Determination and Service Guide...

  • Page 151: Index

    Class A notice 128 removing and replacing 31 electrostatic discharge 32 replaceable 1 environment 5 returning 33 error types 23 messages 101 configuration information 21 troubleshooting tables 102 configuration, minimum for troubleshooting 118 © Copyright IBM Corp. 2012...
  • Page 152 5 I/O-module interposer tray, high-speed firmware, updating 21 installing 67 front panel, LEDs 15 removing 66 front view IBM Support Line 122 bezel 34 indicators 6 components 14 installation guidelines 31 components, controls, and LEDs 14 installing...
  • Page 153 installing (continued) power box 94 major system fault LED 15, 19 power module 57 management module shipping block 85 configuring 21 shuttle, fan 90 error LED 115 Inter Switch Link (ISL) support 22 event log 117 interposer installing 76 installing problems 107 I/O module 63 removing 75...
  • Page 154 PFA alerts 5 removing (continued) pointing device problems 107 high-speed I/O module 71 ports, serial 19 high-speed I/O-module interposer card 68 power high-speed I/O-module interposer tray 66 connectors 17 I/O module 64 problems 111 I/O-module interposer 62 power box management module 75 installing 94 management-module interposer 73 removing 92...
  • Page 155 tray installing cable management 50 installing media 52 removing media 51 troubleshooting minimum operational configuration 118 symptoms 102 table 102 undetermined problems 118 United States electronic emission Class A notice 128 United States FCC Class A notice 128 updating firmware 21 connectors 16 device problems 108 video problems 110...
  • Page 156 BladeCenter HT Type 8740 and 8750: Problem Determination and Service Guide...
  • Page 158 Part Number: 00V9904 Printed in USA (1P) P/N: 00V9904...

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