1. Manuals
  2. Brands
  3. IBM Manuals
  4. Server
  5. BladeCenter QS20
  6. Problem determination and service manual

IBM BladeCenter QS20 Problem Determination And Service Manual

Hide thumbs Also See for BladeCenter QS20:
Table of Contents

Advertisement

Quick Links

Download this manual
BladeCenter QS20 Type 0200
Problem Determination and Service Guide
SC33-8297-00

Advertisement

Table of Contents
loading

Related Manuals for IBM BladeCenter QS20

Summary of Contents for IBM BladeCenter QS20

  • Page 1 BladeCenter QS20 Type 0200 Problem Determination and Service Guide SC33-8297-00...
  • Page 3 BladeCenter QS20 Type 0200 Problem Determination and Service Guide SC33-8297-00...
  • Page 4 Note: Before using this information and the product it supports, read the general information in Appendix B, “Notices,” on page 65 and the Warranty and Support Information on the IBM BladeCenter Documentation CD. First Edition (September 2006) © Copyright International Business Machines Corporation 2006. All rights reserved.

  • Page 5: Table Of Contents

    Solving undetermined problems ....29 Calling IBM for service ..... . 30...
  • Page 6 EU-Richtlinie zur Elektromagnetischen Verträglichkeit ..71 Deutschland: Einhaltung des Gesetzes über die elektromagnetische Verträglichkeit von Geräten ....72 BladeCenter QS20 Type 0200: Problem Determination and Service Guide...
  • Page 7 Zulassungsbescheinigung laut dem Deutschen Gesetz über die elektromagnetische Verträglichkeit von Geräten (EMVG) vom 18. September 1998 (bzw. der EMC EG Richtlinie 89/336) für Geräte der Klasse A ......72 European Union EMC Directive conformance statement .
  • Page 8 BladeCenter QS20 Type 0200: Problem Determination and Service Guide...

  • Page 9: Safety

    Vor der Installation dieses Produkts die Sicherheitshinweise lesen. Prima di installare questo prodotto, leggere le Informazioni sulla Sicurezza. Les sikkerhetsinformasjonen (Safety Information) før du installerer dette produktet. Antes de instalar este produto, leia as Informações sobre Segurança. © Copyright IBM Corp. 2006...
  • Page 10 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 IBM Safety Information book. For example, if a caution statement begins with a number 1, translations for that caution statement appear in the IBM Safety Information book under statement 1. Be sure to read all caution and danger statements in this documentation before performing the instructions.
  • Page 12 BladeCenter QS20 Type 0200: 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. BladeCenter QS20 Type 0200: 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 California de los Estados Unidos está considerado como un causante de cancer y de defectos congénitos, además de otros riesgos reproductivos. Lávese las manos después de usar el producto. BladeCenter QS20 Type 0200: Problem Determination and Service Guide...

  • Page 19: Chapter 1. Introduction

    If IBM installs a Tier 1 CRU at your request, you will be charged for the installation. v Tier 2 CRU: 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 Used In This Document

    The most recent versions of all BladeCenter documentation are at http://www.ibm.com/bladecenter/. In addition to the documentation in this library, be sure to review the IBM BladeCenter Planning and Installation Guide for your BladeCenter unit type for information to help you prepare for system installation and configuration.

  • Page 21: Features And Specifications

    The BladeCenter QS20 InfiniBand option only supports the IP-over-IB protocol. The BladeCenter QS20 is an accessory for the 8677 BladeCenter chassis only. You can only have BladeCenter QS20 blades in a chassis, you cannot put other blade server types in the same chassis as a BladeCenter QS20.

  • Page 22: Reliability, Availability, And Serviceability Features

    Note: Power, cooling, removable-media drives, external ports, and advanced system management are provided by the IBM BladeCenter Type 8677. For more information, see the IBM BladeCenter (Type 8677) Planning and Installation Guide. Table 1. Blade server features and specifications Microprocessor:...

  • Page 23: Blade Server Power, Controls, And Indicators

    Throughout this document, the Management Module Web-based user interface is also known as the BladeCenter Management Module Web interface. After you have installed the BladeCenter QS20, the blade server can start in any of the following ways: v You can press the power-control button on the front of the blade server (behind the control panel door) to start the server.

  • Page 24: Blade Server Controls And Leds

    Local power control is enabled and disabled through the BladeCenter Management Module Web interface. Figure 2. Power control button Notes: v The control panel door is shown in the closed (normal) position in this illustration. BladeCenter QS20 Type 0200: Problem Determination and Service Guide...
  • Page 25 v The blade-error LED, information LED, and location LED can be turned off through the BladeCenter Management Module Web interface. v For additional information about errors, see Chapter 2, “Diagnostics and troubleshooting,” on page 9. v This blade server does not have a keyboard/mouse/video select button. Blade-error Information Location...
  • Page 26 BladeCenter QS20 Type 0200: Problem Determination and Service Guide...

  • Page 27: Chapter 2. Diagnostics And Troubleshooting

    This chapter provides basic troubleshooting information to help you solve some common problems that might occur while setting up your blade server. A problem with the BladeCenter QS20 can relate to either the BladeCenter QS20 or the BladeCenter unit. v A blade-server problem exists if the BladeCenter unit contains more than one blade server and only one of the blade servers has the symptom.

  • Page 28: Communicating With The Blade Server

    Network connections Service processor Software problems For troubleshooting information about other BladeCenter components, see the IBM BladeCenter (Type 8677) Hardware Maintenance Manual and Troubleshooting Guide, product-specific documentation, and other related documentation. For the latest editions of the IBM BladeCenter documentation, go to http://www.ibm.com/pc/ support/ on the World Wide Web.

  • Page 29: Using The Command-Line Interface

    Note: Serial-over-LAN (SOL) is not implemented on the BladeCenter QS20, therefore you cannot use the command-line interface to access the BladeCenter QS20's text console command prompts. You must use the serial interface instead. Starting the management and configuration program in the...

  • Page 30: Why You Should Not Install The Blade Server Into Blade Bays 6 And 7

    What happens if the blade server is accidentally installed into blade bays 6 and 7 If you accidentally insert a BladeCenter QS20 into blade bay slots 6 and 7, this does not affect the BladeCenter. This is because each power connector of a...

  • Page 31: Troubleshooting Charts

    Figure 5. Management Module display when the blade server is inserted into blade bays 6 and 7 Troubleshooting charts The following tables list problem symptoms and suggested solutions. If you cannot find the problem in the troubleshooting charts, or if performing the suggested actions does not solve the problem, have the blade server serviced.

  • Page 32: Problems Indicated By The Leds

    2. Check if BladeCenter power supplies numbers 3 and 4 are installed and powered. If they are not, install and power them or use slots 1-5. 3. Go to “Power problems” on page 15 BladeCenter QS20 Type 0200: Problem Determination and Service Guide...

  • Page 33: Power Problems

    1-6 are in power domain one, but blade bays 7-14 are in power domain two, and the BladeCenter QS20 cannot straddle two power domains. If the blade is accidentally inserted into blade bays 6/7, see “Why you should not install the blade server into blade bays 6 and 7”...

  • Page 34: Service Processor Problems

    2. If you received any error messages when using the software, see the information that comes with the software for a description of the messages and suggested solutions to the problem. 3. Contact the software vendor. BladeCenter QS20 Type 0200: Problem Determination and Service Guide...

  • Page 35: Firmware Startup Process

    The system automatically starts from the PERM image. To check whether the system has started from the PERM image, enter: cat /proc/device-tree/openprom/ibm,fw-bank A P is returned. v The system hangs or is non-responsive after the system is started with no checkpoints.

  • Page 36: Booting The System

    SLOF Setup = Ready 5. The build ref displays the host firmware image version. Build Ref = CB1-FW-6.06.0@releae 6. The legal information, keystroke and command hints are displayed. After this, the operating system boots. BladeCenter QS20 Type 0200: Problem Determination and Service Guide...

  • Page 37: Supported Boot Media

    Supported boot media The BladeCenter QS20 can boot either from its local hard disk drive or from the network subject to the following restrictions: v Locally attached ATA hard disk drive – Only yaboot is supported and must be installed on the Master Boot Record –...

  • Page 38: Boot Errors And Handling

    The boot loader was invoked without specifying the location of boot code. Action Ensure that correct parameters are passed to yaboot, by either using the firmware environment variables or passing them in the yaboot config file yaboot.conf. BladeCenter QS20 Type 0200: Problem Determination and Service Guide...

  • Page 39: Network Boot

    This is due to an error that occurred when it tried to retrieve the MAC address of the network device. Action If the problem persists after power cycling the blade, contact IBM support. Message: “E3001: Could not get ip address” Reason The BOOTP server is not responding.
  • Page 40 Check the filename and the permissions of the file that should be downloaded. Message: “TFTP: Received block <no>, expected block was <no>” Reason The TFTP client received a packet that is out of order. Action Reboot and retry the transfer. BladeCenter QS20 Type 0200: Problem Determination and Service Guide...

  • Page 41: Other Error Messages

    “Recovering the TEMP image from the PERM image” on page 17. Contact IBM support to report the conditions under which the error occurred, and get a trained service technician to replace the system board assembly.
  • Page 42 CM: SB0 RX0 phase cal status not correct during SB0 bit training CN: SB1 RX0 phase cal status not correct during SB0 bit training CO: BE0 RX4 parallel and slice cal status not correct during SB0 bit training BladeCenter QS20 Type 0200: Problem Determination and Service Guide...
  • Page 43 CP: BE1 RX4 parallel and slice cal status not correct during SB0 bit training CQ: SB0 RX0 parallel and slice cal status not correct during SB0 bit training CR: SB1 RX0 parallel and slice cal status not correct during SB0 bit training CS: BE0 BX0 status A not correct during RRAC SB bit training CT: BE1 BX0 status A not correct during RRAC SB bit training CU: BE0 BX1 status A not correct during RRAC SB bit training...

  • Page 44: Warning Log Ids

    WO: Monitored voltage P12V2_GATE2 failed spec limits WP: Monitored voltage P12V3_GATE2 failed spec limits WX: It has been tried to change power permission on a powered up system. This is illegal. Request is ignored. BladeCenter QS20 Type 0200: Problem Determination and Service Guide...

  • Page 45: Information Log Ids

    WY: The power permission that has been received from the Management Module is not sufficient to power on the system WZ: The slot number has not been read at the time power permission has be tried to be granted. Information log IDs I1: Device initialization successful I2: Power permission has been granted by Management Module I3: Power on request came in from front panel power switch (white button)

  • Page 46: Problem Reporting

    – Restart BladeCenter QS20 with NMI Problem reporting Firmware logs and Firmware settings are located in the system’s NVRAM. In the case of an error where IBM support is needed, follow this process to provide the BladeCenter QS20 firmware log information: 1. Boot Linux.

  • Page 47: Problem Description

    <customer> Contains a short name of the customer. <date> Contains the creation date. 7. Provide IBM support with the tgz file. Problem description The problem description must be put into /tmp/PROBLEM.txt with the addition of the following information: v Customer name and address...

  • Page 48: Calling Ibm For Service

    Machine type and model v Firmware level v Adapters and attachments, in the same locations v Address jumpers, terminators, and cabling v Software versions and levels v Configuration option settings BladeCenter QS20 Type 0200: Problem Determination and Service Guide...
  • Page 49 v Operating system control file setup Chapter 2. Diagnostics and troubleshooting...
  • Page 50 BladeCenter QS20 Type 0200: Problem Determination and Service Guide...

  • Page 51: Chapter 3. Configuring The Blade Server

    BladeCenter Management Module. Installing the firmware You only need to install the BladeCenter QS20 firmware if you need to do either of the following: v Upgrade to a newer version v Downgrade to an older version if there are problems with the current version The firmware for the on-board service processor can only be installed using the standard firmware update feature of the BladeCenter Management Module.

  • Page 52: Installing The Firmware Manually

    System firmware user interface BladeCenter QS20 system firmware is an Open Firmware implementation. When you enter the system firmware user interface, you see the Open Firmware command prompt. You should only access the user interface if you intend to use one of the supported Open Firmware commands.

  • Page 53: System Firmware Memory Map

    System firmware memory map The BladeCenter QS20 system firmware resides in the memory range between 16MB and 32MB for internal usage. Any secondary boot loader (OF client program) has its own memory map but is required to respect that given range. Further information about the system configuration can be read from the Open firmware device-tree.
  • Page 54 The Flash module contains the firmware itself and can be read and written through firmware and Linux. NVRAM The NVRAM module contains configuration and logging information of firmware. The NVRAM is mapped into the device tree. BladeCenter QS20 Type 0200: Problem Determination and Service Guide...

  • Page 55: Chapter 4. Parts Listing

    If IBM installs a Tier 1 CRU at your request, you will be charged for the installation. v Tier 2 CRU: 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 56 BladeCenter QS20 Type 0200: Problem Determination and Service Guide...

  • Page 57: Chapter 5. Installing And Removing Replaceable Units

    40. This information will help you work safely with the blade server and options. v Read the information in the BladeCenter QS20 Installation and User's Guide. v Back up all important data before you make changes to disk drives.

  • Page 58: Handling Static-Sensitive Devices

    Take additional care when handling devices during cold weather. Heating reduces indoor humidity and increases static electricity. v Wear an electrostatic-discharge wrist strap, if one is available. BladeCenter QS20 Type 0200: Problem Determination and Service Guide...

  • Page 59: Removing The Blade Server From The Bladecenter Unit

    Removing the blade server from the BladeCenter unit The following illustration shows how to remove the blade server from the BladeCenter unit. Figure 6. Removing the blade server Attention: v To maintain proper system cooling, do not operate the BladeCenter unit for more than 1 minute without a blade server or filler blades installed in each blade bay.
  • Page 60 4. Pull the blade server out of the bay. 5. Place either a filler blade or a new blade server in the bay within 1 minute. BladeCenter QS20 Type 0200: Problem Determination and Service Guide...

  • Page 61: Opening The Blade Server Cover

    Opening the blade server cover The following illustration shows how to open the cover on the blade server. The BladeCenter QS20 has an inner cover as well as an outer cover. 1. Open outer cover 2. Remove outer cover from blade server Outer cover release 4.
  • Page 62 Statement 21: CAUTION: Hazardous energy is present when the blade server is connected to the power source. Always replace the blade cover before installing the blade server. BladeCenter QS20 Type 0200: Problem Determination and Service Guide...

  • Page 63: Removing The Blade-Server Bezel Assembly

    Installing the IDE hard disk drive The blade server has a connector on the system board for installing a 2.5-inch integrated drive electronics (IDE) hard disk drive. The BladeCenter QS20 model comes with the IDE hard disk drive already installed.
  • Page 64 The hard disk drive clicks into place. 10. If you have other options to install or remove, do so now; otherwise, go to “Completing the installation” on page 58. BladeCenter QS20 Type 0200: Problem Determination and Service Guide...

  • Page 65: Installing Infiniband

    2. Before installing any InfiniBand option make sure you have the operating system (Fedora Core 5) and a patched kernel supporting BladeCenter QS20 with InfiniBand installed otherwise the blade will hang during the initial reboot after the OS installation.

  • Page 66: What You Need To Install Infiniband

    4. Unlatch the front bezel and partially remove it from the metal guides. 5. Unplug the control panel and serial cable connectors from the blade’s board as shown in Figure 10 on page 49. BladeCenter QS20 Type 0200: Problem Determination and Service Guide...
  • Page 67 Figure 10. Unplugging the control panel and serial cable connectors 6. Set the bezel aside. 7. Plug the InfiniBand card into the PCIe Express adapter card. Make sure the index hole of the InfiniBand card matches the index mark of the adapter, see Figure 11 on page 50.
  • Page 68 Figure 11. InfiniBand card connected to PCI Express adapter card 8. Mount this assembly into the BladeCenter QS20 so that the InfiniBand ports of the InfiniBand card point to the front bezel and match the respective ports of the front bezel.
  • Page 69 Figure 12. Mounting point and position description 10. Optional: repeat the above steps for the second InfiniBand option. 11. Prepare the new front bezel by attaching the control panel and serial cable connectors onto the blade’s board. 12. Partially insert the side fins of the bezel into the metal guides while ensuring that the top of the bezel rests on the foam gasket on the InfiniBand card as shown in Figure 13 on page 52.
  • Page 70 Note: If only one InfiniBand option is to be installed, it is recommended that you install it in the upper slot. 15. Plug the PCI-Express cable into the BladeCenter QS20's PCI-Express connector closest to the InfiniBand card. Leave the other end unconnected.
  • Page 71 Note: The cable is assymetric! You must plug the connector with two clamps into the BladeCenter QS20 and the connector with only one clamp into the adaptor card (with the clamp facing you), see Figure 15. 16. Fan out the cables and carefully bend them sidewards.
  • Page 72 Figure 16. Cover with gasket 20. Carefully close the cover. BladeCenter QS20 Type 0200: Problem Determination and Service Guide...

  • Page 73: Replacing The Battery

    Replacing the battery IBM has designed this product with your safety in mind. The lithium battery must be handled correctly to avoid possible danger. If you replace the battery, you must adhere to the following instructions. Note: In the U. S., call 1-800-IBM-4333 for information about battery disposal.
  • Page 74 Tilt the battery so that you can insert it into the socket, under the battery clip. Make sure that the side with the positive (+) symbol is facing up. b. As you slide it under the battery clip, press the battery down into the socket. BladeCenter QS20 Type 0200: Problem Determination and Service Guide...
  • Page 75 Always replace the blade cover before installing the blade server. 11. Reinstall the blade server into the BladeCenter unit (see BladeCenter QS20 Installation and User's Guide). 12. Turn on the blade server (see “Turning on the blade server” on page 5).

  • Page 76: Completing The Installation

    Always replace the blade cover before installing the blade server. 3. Reinstall the blade server into the BladeCenter unit (see BladeCenter QS20 Installation and User's Guide). 4. Turn on the blade server (see “Turning on the blade server” on page 5).
  • Page 77 1. Read the safety information beginning on page vii and “Installation guidelines” on page 39. 2. Connect the control-panel cable to the control-panel connector on the system-board assembly. 3. Connect the serial cable from the serial connector to the serial connector on the system-board assembly.

  • Page 78: Closing The Blade Server Cover

    Before closing the cover, make sure that all components are installed and seated correctly and that you have not left loose tools or parts inside the blade server. BladeCenter QS20 Type 0200: Problem Determination and Service Guide...

  • Page 79: Input/Output Connectors And Devices

    See the documentation that comes with the BladeCenter unit for information about the input/output connectors. The BladeCenter QS20 supports an external UART connection at the front panel. A special cable (part number 83421-9208) is required to connect this UART connection to a standard 9-pin UART connection.
  • Page 80 BladeCenter QS20 Type 0200: Problem Determination and Service Guide...

  • Page 81: 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...

  • Page 82: Software Service And Support

    Software service and support Through IBM Support Line, you can get telephone assistance, for a fee, with usage, configuration, and software problems with BladeCenter products. For information about which products are supported by Support Line in your country or region, see http://www.ibm.com/services/sl/products/.

  • Page 83: Appendix B. Notices

    The licensed program described in this information and all licensed material available for it are provided by IBM under terms of the IBM Customer Agreement, IBM International Program License Agreement, IBM License Agreement for Machine Code, or any equivalent agreement between us.

  • Page 84: Edition Notice

    ABOVE LIMITATION OR EXCLUSION MAY NOT APPLY TO YOU. If you are viewing this information in softcopy, the photographs and color illustrations may not appear. Edition notice © Copyright International Business Machines Corporation 2005. All rights reserved. BladeCenter QS20 Type 0200: Problem Determination and Service Guide...
  • Page 85 U.S. Government Users Restricted Rights — Use, duplication, or disclosure restricted by GSA ADP Schedule Contract with IBM Corp. Appendix B. Notices...

  • Page 86: Trademarks

    PCI Express is a trademark of PCI-SIG. Cell Broadband Engine is a trademark of Sony Computer Entertainment Inc. Other company, product, or service names may be trademarks or service marks of others. BladeCenter QS20 Type 0200: Problem Determination and Service Guide...

  • Page 87: Important Notes

    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 88: Battery Return Program

    United States, go to http://www.ibm.com/ibm/environment/ products/batteryrecycle.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 89: 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.

  • Page 90: Deutschland: Einhaltung Des Gesetzes Über Die Elektromagnetische Verträglichkeit Von Geräten

    Das Gerät erfüllt die Schutzanforderungen nach EN 55024 und EN 55022 Klasse A. European Union EMC Directive conformance statement The following statement applies to the BladeCenter QS20 and the 2945 InfiniBand Option. This product is in conformity with the protection requirements of EU Council...

  • Page 91: Taiwanese Class A Warning Statement

    Taiwanese Class A warning statement The following statement applies to the BladeCenter QS20. Japanese Voluntary Control Council for Interference (VCCI) statement The following statement applies to the BladeCenter QS20 and the 2945 InfiniBand Option. Korean Class A warning statement The following statement applies to the BladeCenter QS20 and the 2945 InfiniBand Option.

  • Page 92: Power Cords

    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. IBM power cords used in the United States and Canada are listed by Underwriter’s Laboratories (UL) and certified by the Canadian Standards Association (CSA).
  • Page 93 IBM power cord part number Used in these countries and regions 14F0033 Abu Dhabi, Bahrain, Botswana, Brunei Darussalam, Channel Islands, China (Hong Kong S.A.R.), Cyprus, Dominica, Gambia, Ghana, Grenada, Iraq, Ireland, Jordan, Kenya, Kuwait, Liberia, Malawi, Malaysia, Malta, Myanmar (Burma), Nigeria, Oman,...
  • Page 94 BladeCenter QS20 Type 0200: Problem Determination and Service Guide...

  • Page 95: Index

    4 installing 47 integrated drive electronics (IDE) package content 47 hard disk drives 45 steps to install 48 internal, installing 45 Information messages requirements 45 service processor (H8) 27 specifications 3 installation completing 58 © Copyright IBM Corp. 2006...
  • Page 96 2 option static electricity 40 hard disk drives 45 static-sensitive devices, handling 40 installing 39 stopping the blade server 5 supported boot media 19 system board connectors 4 system boot 18 BladeCenter QS20 Type 0200: Problem Determination and Service Guide...
  • Page 97 system boot (continued) boot error list 20 boot errors 20 network boot error messages 21 other error messages 23 supported boot media 19 yaboot disk boot error messages 20 system firmware user interface 34 supported commands 34 system reliability 39 TEMP image recovering 17 reject function 17...
  • Page 98 BladeCenter QS20 Type 0200: Problem Determination and Service Guide...
  • Page 100 Part Number: 42C4969 Printed in USA SC33-8297-00...

This manual is also suitable for:

0200

Table of Contents