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IBM eserver xSeries 232 8668 Hardware Maintenance Manual
IBM eserver xSeries 232 8668 Hardware Maintenance Manual

IBM eserver xSeries 232 8668 Hardware Maintenance Manual

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Summary of Contents for IBM eserver xSeries 232 8668

  • Page 1 Hardware Maintenance Manual Type 8668...
  • Page 3 Hardware Maintenance Manual Type 8668...
  • Page 4 This publication was developed for products and services offered in the United States of America. IBM may not offer the products, services, or features discussed in this document in other countries, and the information is subject to change without notice.
  • Page 5: Table Of Contents

    Power supply LED errors . . 112 Working inside a server with power on . . 42 POST error codes . . 113 Handling static-sensitive devices . . 42 SCSI error codes . . 118 © Copyright IBM Corp. 2000, 2001...
  • Page 6 Temperature error messages . 119 Power cords . . 128 Fan error messages . 119 Power error messages . 119 Related service information ..129 System shutdown . . 120 Safety information. . 129 Power related system shutdown . .
  • Page 7: About This Manual

    See “Safety information” on page 129. Leia todas as instruções de cuidado e perigo antes de executar qualquer operação. Prenez connaissance de toutes les consignes de type Attention et Danger avant de procéder aux opérations décrites par les instructions. © Copyright IBM Corp. 2000, 2001...
  • Page 8: Online Support

    Use the World Wide Web (WWW) to download Diagnostic, BIOS Flash, and Device Driver files. File download address is: http://www.ibm.com/pc/files.html IBM Online Addresses The HMM manuals online address is: http://www.us.pc.ibm.com/cdt/hmm.html The IBM PC Company Support Page is: http://www.ibm.com/pc/support The IBM PC Company Home Page is: http://www.ibm.com/pc Hardware Maintenance Manual: Type 8668...
  • Page 9: General Checkout

    YES. Schedule maintenance with the customer. Shut down all systems related to the cluster. Run storage test. NO. Go to step 2. 2. THE SYSTEM IS NOT PART OF A CLUSTER v Power-off the computer and all external devices. © Copyright IBM Corp. 2000, 2001...
  • Page 10 v Check all cables and power cords. v Set all display controls to the middle position. v Power-on all external devices. v Power-on the computer. v Record any POST error messages displayed on the screen. If an error is displayed, look up the first error in the “System Error logs” on page 14. v Check the information LED panel System Error LED;...
  • Page 11: General Information

    Your xSeries 232 comes with a three-year limited warranty and IBM PC Server 90-Day Start Up Support. If you have access to the World Wide Web, you can...
  • Page 12 Power supplies: v Some models has One 385-watt non-redundant unit v Some models with Two 250-watt redundant hot swap unit Video: v S3 Savage 4 VideoController (integrated on system board) v Compatible with SVGA and VGA v 8 MB video memory Acoustical noise emissions: v Sound power, idling: 6.2 bel maximum v Sound power, operating: 6.2 bel maximum...
  • Page 13: Reliability, Availability, And Serviceability Features

    – Maximum: 127 V ac v Input voltage high range: – Minimum: 200 V ac – Maximum: 240 V ac v Input kilovolt-amperes (kVA) approximately: – Minimum: 0.08 kVA – Maximum: 0.55 kVA Reliability, availability, and serviceability features Three of the most important features in server design are reliability, availability, and serviceability (RAS).
  • Page 14: Server Controls And Indicators

    Server controls Server controls and indicators Operator information panel Power control button shield (if installed) Hard disk drive activity Power light (green) control button Hard disk drive status light (amber) Reset button Cover release latch Serial (tower shown) number (rack shown) Operator Cover information...
  • Page 15: Starting The Server

    Server controls Cover release latch: Slide this lever to release the cover. Serial number: This number uniquely identifies your server. Hard disk drive status light: Each of the hot-swap drives has a hard disk drive status light. When this amber light is on continuously, the drive has failed. Note: This LED does not function unless drive is connected to ServeRAID adapter.
  • Page 16 Server controls v Pressing the Reset button resets the server and runs the power -on self-test. Note: The server can also be powered on by the Integrated System Management Processor. Hardware Maintenance Manual: Type 8668...
  • Page 17: Turning Off The Server

    Server controls Turning off the server Turning off the server refers to the act of disconnecting the server from the power source. You can turn off the server in any of the following ways: Statement 5 CAUTION: The power control button on the device and the power switch on the power supply do not turn off the electrical current supplied to the device.
  • Page 18: Operator Information Panel

    Operator information panel Operator information panel The following illustration shows the location of the lights on the operator information panel on the front of the server (see “Server controls and indicators” SCSI hard Power-on POST disk drive Information light complete light in-use light light LINK...
  • Page 19: Diagnostics

    After you register and profile your xSeries products, you can diagnose problems using the IBM Online Assistant and you can participate in the IBM discussion forum. For more detailed information about registering and creating a...
  • Page 20: Post

    Register and profile your server properly? After you register and profile, you will be able to: • Diagnose problems using the IBM Online Assistant • Participate in the IBM discussion forum • Receive e-mail notifications of technical updates related to your profiled products...
  • Page 21 POST beep code descriptions Beep codes are sounded in a series of long and short beeps. The possible types of beep codes that your server might emit include the following: No beeps If no beep occurs after your server completes POST (that is, after the system POST complete (OK) light on the operator information panel is illuminated), call for service.
  • Page 22: Small Computer System Interface Messages (Some Models)

    The POST error log contains the three most recent error codes and messages that the system generated during POST. The System Event/Error Log contains all error messages issued during POST and all system status messages from the IBM remote supervisor adapter, if installed.
  • Page 23: Text Messages

    Diagnostic programs and error messages Diagnostic error messages indicate that a problem exists; they are not intended to be used to identify a failing part. Troubleshooting and servicing of complex problems that are indicated by error messages should be performed by trained service personnel.
  • Page 24: Starting The Diagnostic Programs

    Diagnostic programs and error messages Warning This result occurs when a possible problem is reported during the diagnostic test, such as when a device that is to be tested is not installed. Test Specific String This is additional information that you can use to analyze the problem. Starting the diagnostic programs You can press F1 while running the diagnostic programs to obtain Help information.
  • Page 25: Viewing The Test Log

    Diagnostic programs and error messages Viewing the test log The test log will not contain any information until after the diagnostic program has run. Note: If you already are running the diagnostic programs, begin with step 3 To view the test log: 1.
  • Page 26: Recovering Bios Code

    Use the ServerGuide program to make a BIOS flash diskette. v Download a BIOS flash diskette from the World Wide Web. Go to http://www.ibm.com/pc/support, select IBM Server Support, and make the selections for your server. v Contact your IBM service representative.
  • Page 27: Identifying Problems Using Status Leds

    Recovering BIOS 7. When you are asked if you would like to move the current POST/BIOS image to the backup ROM location, type N. Attention: Typing Y will copy the corrupted BIOS into the secondary page. 8. When you are asked if you would like to save the current code to a diskette, select N.
  • Page 28: Replacing The Battery

    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 29 Replacing the battery c. Use your thumb and index finger to pull the battery from under the battery clip. d. Ensure that the battery clip is touching the base of the battery socket by pressing gently on the clip. Diagnostics...
  • Page 30 Replacing the battery 5. Insert the new battery: a. Tilt the battery so that you can insert it into the socket, under the battery clip. b. As you slide it under the battery clip, press the battery down into the socket.
  • Page 31: Configuring Your Server

    ServerGuide CDs The ServerGuide CDs include software setup and installation tools specifically designed for IBM xSeries servers. You can use these CDs during the initial installation of your server to configure the server hardware and simplify your network operating system installation. The ServerGuide CDs also contain a collection of application programs, which you can install after your server is up and running.
  • Page 32: Using The Configuration/Setup Utility Program

    Choices available from the Configuration/Setup main menu From the Configuration/Setup Utility main menu, you can select settings that you want to change. The Configuration/Setup Utility main menu is similar to the following: IBM Server Setup - © Copyright IBM Corporation 2001 Configuration/Setup Utility · System Summary ·...
  • Page 33 Using the Configuration/Setup Utility program Select this choice to display information about your server. Changes that you make on other menus might appear on this summary screen. You cannot edit any fields. The System Information choice appears only on the full Configuration/Setup Utility main menu.
  • Page 34 Using the Configuration/Setup Utility program – System Card Data Select this choice to view vital product data (VPD) for some server components. v Product Data v Devices and I/O Ports Select this choice to view or change the assignments for devices and input/output ports.
  • Page 35 – Core Chipset Control Select this choice to modify settings that control features of the core chip set on the system board. Do not make changes here unless directed to do so by an IBM Attention: authorized service representative. – System Partition Visibility Select this choice to choose whether the System Partition is visible or hidden.
  • Page 36: Using Passwords

    Using the Configuration/Setup Utility program (EEPROM).When the server is powered on, a limited amount of memory is allocated for PCI devices during POST. If the memory resources are exhausted during POST, you will receive a 00180100 POST error message Changing the boot priority can change the sequence of memory resource allocation, resulting in the 00180100 POST error message.
  • Page 37: Using The Scsiselect Utility Program

    Using the Configuration/Setup Utility program board. Password override switch (switch 6 of switch block 1) To set the password override switch: 1. Review the information in “Safety information” on page 129. 2. Turn off the server and peripheral devices and disconnect all external cables and power cords;...
  • Page 38: Starting The Scsiselect Utility Program

    Using the SCSISelect utility program The following sections provide the instructions needed to start the SCSISelect Utility and descriptions of the menu choices available. Note: If your server has a RAID adapter installed, use the configuration method supplied with the RAID adapter to view or change SCSI settings for devices attached to the adapter.
  • Page 39: Using The Pxe Boot Agent Utility Program

    Using the SCSISelect utility program Select this choice to view or change the settings for advanced configuration options. v SCSI Disk Utilities Select this choice to view the SCSI IDs that are assigned to each device or to format a SCSI device. To use the utility program, select a drive from the list.
  • Page 40 Using the SCSISelect utility program – Try network only – Try local drives only – Try network first, then local drives Note: This option is not supported on this product. To change the boot order, use the Configuration/Setup Utility program. See, “Using the Configuration/Setup Utility program”...
  • Page 41: Installing Options

    Microprocessor Terminator card Memory module Power supply Adapter retention bracket Adapter support bracket Fan (blower) The illustrations in the following sections show the components on the system board. © Copyright IBM Corp. 2000, 2001...
  • Page 42 System board option connectors The following illustration identifies system-board connectors for user-installable options. Note: The illustrations in this document might differ slightly from your hardware. Microprocessor 1 VRM 1 connector (J37) (U68) DIMM 4 (J4) DIMM 3 (J3) DIMM 2 (J2) DIMM 1 (J1) Microprocessor 2 (U69)
  • Page 43: System Board Option Connectors

    The following illustration identifies system-board connectors for internal cables. Note: The illustrations in this document might differ slightly from your hardware. Power backplane Fan 3 Main power (J55) signal connector (J43) connector (J19) Fan 1 (Unused) (J28) Operator information panel (J39) DASD (J9)
  • Page 44: System Board External Port Connectors

    System board external port connectors The following illustration identifies system-board connectors for external devices. Note: The illustrations in this document might differ slightly from your hardware. Serial ports (J20) Mouse/keyboard ports (J8) Ethernet port (J6) USB ports (J5) ISM ports (J50) System Management port...
  • Page 45: System Board Switches And Jumpers

    System board switches and jumpers The following illustration identifies the switches and jumpers on the system board. Note: The illustrations in this document might differ slightly from your hardware. System board Switch block (SW1) Flash boot block recovery jumper (J16) System board jumper blocks Any jumper blocks on the system board that are not shown in the illustration are reserved.
  • Page 46: System Board Led Locations

    The switch block contains microswitches 1 through 8. As pictured in this illustration, switch 8 is at the top of the switch block, and switch 1 is at the bottom. The Off position for each switch is the side nearer the processor socket. System board switch block Table 1.
  • Page 47: Integrated System Management Processor Led

    DIMM 4 error LED (CR15) DIMM 2 error LED (CR17) DIMM 3 error LED VRM 1 error LED DIMM 1 error LED (CR14) (CR19) (CR16) Microprocessor 1 error LED (CR13) Fan sink 1 LED (CR78) Microprocessor 2 error LED (CR20) Fan sink 2 LED (CR79) VRM 2 error LED...
  • Page 48 Table 2. Diagnostics panel LEDs Diagnostic Description panel LED Power supply 1 failure or removed. Power supply 2 failure or removed (only active with more than one power supply in the optional hot-swap power backplane). Power supply 3 failure or removed (only active with third power supplies in the optional hot-swap power backplane).
  • Page 49: Remind Button

    Back up all important data before you make changes to disk drives. v Have a small, flat-blade screwdriver available. v For a list of supported options for your server, refer to http://www.ibm.com/pc/us/compat on the World Wide Web. System reliability considerations To help ensure proper cooling and system reliability, make sure: v Each of the drive bays has either a drive or a filler panel installed.
  • Page 50: Working Inside A Server With Power On

    v There is space around the server to enable the server cooling system to work properly. – On a tower model, leave approximately 127 mm (5 inches) of space around the front and rear of the server. – On a rack model, refer to the documentation that comes with the rack. v A removed hot-swap drive is replaced within two minutes of removal.
  • Page 51: Removing The Cover, Door, And Bezel

    Removing the cover, door, and bezel The following sections describe how to remove the cover, the door (for tower models), and the bezel. Removing the left-side cover (tower model) Notes: 1. To remove or install a hot-swap hard disk drive or hot-swap power supply, it is not necessary to remove the cover.
  • Page 52: Removing The Cover (Rack Model)

    Removing the cover (rack model) Removing the cover (rack model) Notes: 1. To remove or install a hot-swap hard disk drive or hot-swap power supply, it is not necessary to remove the cover. 2. The illustrations in this document might differ slightly from your hardware. Top cover Right-side latch...
  • Page 53 Removing the cover (rack model) 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.
  • Page 54 Removing the cover (rack model) Note: When the server is in the locked position, you can reach the cables on the back of the server. 4. Move the cover-release lever down while sliding the top cover toward the rear of the server approximately 25 mm (1 inch). Lift the cover off the server and set the cover aside.
  • Page 55: Removing The Server Door (Tower Model)

    Removing the server door (tower model) Removing the server door (tower model) Note: The illustrations in this document might differ slightly from your hardware. Bezel-release lever Door Flange To remove the server door: 1. Unlock and open the server door. 2.
  • Page 56: Removing The Bezel (Rack Or Tower)

    Removing the server door (tower model) Removing the Bezel (rack or tower) Note: The illustrations in this document might differ slightly from your hardware. Bezel-release lever Bezel To remove the bezel: 1. Move the blue bezel-release lever following the curve of the lever opening. 2.
  • Page 57: Adapter Considerations

    Therefore, you can install a variety of PCI adapters that currently do not support sharing of PCI interrupts. v The optional IBM Remote Supervisor Adapter must be installed in PCI slot 1 only. The ribbon cable that ships with the adapter is required to connect the adapter to the system board.
  • Page 58: Installing An Adapter

    Removing the server door (tower model) v The system scans PCI slot 1, the system board Ethernet, PCI slots 2-5, and then the system board SCSI, channels A and the system board SCSI channel B, if you have not changed the boot precedence from the default. You can use the Configuration/Setup Utility program to change the boot precedence for your server.
  • Page 59 Removing the server door (tower model) Attention: Avoid touching the components and gold-edge connectors on the adapter. 7. Place the adapter, component-side up, on a flat, static-protective surface. 8. Set any jumpers or switches as described by the adapter manufacturer. 9.
  • Page 60: Installing Internal Drives

    Installing internal drives Installing internal drives Different types of drives enable your system to read multiple types of media and store more data. Several types of drives are available, such as: v Diskette (already installed) v Hard disk v CD-ROM (already installed) v Tape, including DLT Internal drive bays Internal drives are installed in bays.
  • Page 61 If you are installing a SCSI device with a 50-pin connector in one of the empty non-hot-swap bays (bays A–B), you need a 68-pin to 50-pin converter. To order the converter, contact your IBM reseller or IBM marketing representative. Note: The server electromagnetic interference (EMI) integrity and cooling are both protected by having bays A and B covered or occupied.
  • Page 62 Installing internal drives Preinstallation steps (all bays) Before you install drives in your server, verify that you have all the cables and any other equipment specified in the documentation that comes with the internal drive. You might also need to perform certain preinstallation activities. Some of the steps are required only during the initial installation of an option.
  • Page 63 Installing hot-swap drives Installing a hot-swap drive Note: The illustrations in this document might differ slightly from your hardware. Filler panel Hard disk drive Drive tray Drive tray handle (in open position) To install a drive in a hot-swap drive bay: Attention: v To maintain proper system cooling, do not operate the server for more than two minutes without either a drive or a filler panel installed for each bay.
  • Page 64 Installing hot-swap drives Replacing a drive in a hot-swap bay You do not have to turn off the server to remove or install the hot-swap drives. Attention: 1. Before you remove a hot-swap hard disk drive that is not defective, back up all important data.
  • Page 65 Installing hot-swap drives b. Align the rails on the drive assembly with the guide rails in the drive bay. c. Gently push the drive assembly into the bay until the drive connects to the backplane. d. Push the tray handle toward the closed position until it locks the drive in place.
  • Page 66 Installing non-hot-swap drives 4. If the drive that you are installing is a laser product, 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.
  • Page 67: Installing An Xseries 3-Pack Ultra160 Hot-Swap Expansion Kit

    Installing non-hot-swap drives 11. If the drive is a SCSI device: a. Make sure the drive is not a hard disk drive. b. Connect one of the connectors on the SCSI cable to the back of the drive. c. Connect the other end of the SCSI cable to the SCSI channel B connector on the system board, or to an optional SCSI adapter, as appropriate.
  • Page 68: Installing Memory Modules

    4 and pair 2 in slots 2 and 3. Refer to the ServerProven list on the World Wide Web at http://www.ibm.com/pc/compat for information about memory modules for use with your server. 3. Installing or removing DIMMs changes the configuration information in the server.
  • Page 69 Installing memory-modules Note: The illustrations in this document might differ slightly from your hardware. DIMM 1 DIMM 2 DIMM connector 4 (J4) DIMM connector 3 (J3) DIMM connector 2 (J2) DIMM connector 1 (J1) To install a DIMM: 1. Review the information listed in “Before you begin” on page 41 and review the “Handling static-sensitive devices”...
  • Page 70: Installing A Microprocessor

    Installing memory-modules a. Turn the DIMM so that the pins and keys align correctly with the connector. DIMM 3 DIMM 2 DIMM 4 DIMM 1 b. Insert the DIMM into the connector by pressing on one edge of the DIMM and then on the other edge of the DIMM.
  • Page 71 Attention: To avoid damage and ensure proper server operation when you install a new or additional microprocessor, use microprocessors that have the same cache size and type, and the same clock speed. See the ServerProven list at http://www.ibm.com/pc/compat for a list of microprocessors for use with your server. Installing options...
  • Page 72 Installing a microprocessor Note: The illustrations in this document might differ slightly from your hardware. Fan sink (Remove themal tape Terminator liner on installation) card Microprocessor 2 VRM 2 Microprocessor 1 location VRM 1 Microprocessor release lever To install an additional microprocessor: 1.
  • Page 73: Installing Or Removing A Power Supply

    Installing a microprocessor Note: If you remove the microprocessor later, remember to install the terminator card in the appropriate microprocessor connector and to remove the VRM. 6. Remove the thermal tape liner from the underside of the fan sink and discard. 7.
  • Page 74 Installing or removing a power supply 250-watt power supplies. This enables redundancy and will make the power supplies hot-swappable. Each power supply has two status indicators; see the following illustration for information about the status indicators and power-supply bay locations. Note: The illustrations in this document might differ slightly from your hardware.
  • Page 75 Installing or removing a power supply AC power LED This light provides status information about the power supply. During typical operation, the ac power LED is on. DC power LED This light provides status information about the power supply. During typical operation, the dc power LED is on.
  • Page 76 Adding a power supply Filler panel Power supply Power supply backplane option Power supply handle (in open position) Cable-restraint bracket To install a hot-swap power supply: 1. Remove the filler panel from the empty power supply bay by inserting your finger into the depression on the filler panel and pulling it away from the server.
  • Page 77 Removing a power supply To remove a power supply: 1. Check the NON LED (CR24) on the diagnostics panel on the system board. a. If the NON (nonredundant) LED is lit, you do not have redundancy. Turn off the server and peripheral devices; then, continue with step 2. Note: The Information light on the operator information panel on the front of the server also will be on.
  • Page 78: Installing Redundant Power Supply

    Removing a power supply 4. Install a replacement power supply. 5. Plug the power cord for the power supply into the power cord connector. Then, plug other end of the cord into a properly grounded outlet. 6. Verify that the ac power light and dc power light are lit, indicating that the power supply is operating correctly.
  • Page 79: Removing The Existing Power Supply

    Removing a power supply Removing the existing power supply Use the following steps to remove the existing 385-watt power supply from your server: 1. Turn off power to the server and disconnect the power plug from the server power supply. Installing options...
  • Page 80 Removing a power supply 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.
  • Page 81 Removing a power supply Statement 4: ≥18 kg (39.7 lb) ≥32 kg (70.5 lb) ≥55 kg (121.2 lb) CAUTION: Use safe practices when lifting. Statement 5: CAUTION: The power control button on the device and the power switch on the power supply do not turn off the electrical current supplied to the device.
  • Page 82 Removing a power supply 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 83 Removing a power supply b. Release the front latches and slide the server carefully from the rack until both slide rails lock; then, slide the cover-release lever to release the top cover and slide the cover towards the rear of the server until you can lift it away from the server.
  • Page 84: Installing The Power Backplane

    Removing a power supply Installing the power backplane Use the following steps to install the xSeries power backplane in your server: Note: This backplane supports up to three 250-watt power supply. 1. Carefully slide the new power backplane into the server, behind the power cage.
  • Page 85 Removing a power supply 4. If you install only two hot-swap power supplies, install a filler panel in power bay 3. 5. Put the side panel (or top cover) that you removed in step 2 back on the server. 6. Connect power to your server and verify that it is working properly. Installing options...
  • Page 86: Replacing A Fan Assembly

    Replacing a fan assembly Replacing a fan assembly Your server comes with two fan assemblies. If a fan fails, replace it within 3 hours to help ensure proper cooling. Attention: The following illustration shows the replacement of a fan assembly. Note: The illustrations in this document might differ slightly from your hardware.
  • Page 87: Installing The Cover

    Installing the cover Installing the cover If you have a tower model, continue with “Installing the cover (tower)”. If you have a rack model, go to “Installing the cover (rack)” on page 81. Installing the cover (tower) Note: The illustrations in this document might differ slightly from your hardware. Slots Left-side cover To install the server left-side cover:...
  • Page 88: Installing The Bezel And Front Door

    Installing the cover Installing the bezel and front door Note: The illustrations in this document might differ slightly from your hardware. Bezel Door Flange To install the bezel: 1. Place the tabs at the bottom edge of the bezel in the slots at the bottom front of the server.
  • Page 89: Installing The Cover (Rack)

    Installing the cover Installing the cover (rack) Note: The illustrations in this document might differ slightly from your hardware. Flange Top cover Flange Side latches To install the server top cover: 1. Align the top cover with the top of the server, approximately 25 mm (1 inch) from the front of the server;...
  • Page 90: Installing The Bezel

    Installing the cover Installing the bezel Note: The illustrations in this document might differ slightly from your hardware. Bezel To install the bezel: 1. Place the tabs on the left side of the bezel in the slots at the left front of the server.
  • Page 91: Connecting External Options

    Connecting external options Connecting external options If you install a SCSI adapter, you can attach a SCSI storage expansion enclosure to your server. You can attach additional external options to the input/output connectors on the rear of the server. See “Input/output ports” on page 84 for additional information.
  • Page 92: Input/Output Ports

    I/O ports Input/output ports Your server has the following input/output (I/O) ports: v One video port v One system management port v One RS-485 port with two RS-485 Interface Connectors (ISM-A and ISM-B) v Two Universal Serial Bus (USB) ports v One Ethernet port v One keyboard port v One auxiliary pointing device (mouse) port...
  • Page 93: Universal Serial Bus Ports

    I/O ports connector C. You can attach a dedicated modern to the D-shell system management connector on the rear of your server to communicate with the Integrated System Management Processor. The other two ports (ISM-A & ISM-B), which are used for the Integrated System Management interconnect function, use dual RJ-45 connectors, which are accessible on the rear of the server.
  • Page 94: Ethernet Ports

    ServerGuide CDs. Failover for redundant Ethernet ™ The IBM 10/100 Ethernet Adapter or the IBM 10/100 EtherJet PCI family of adapters are optional redundant network interface cards (NICs) that you can install in your server. If you install this NIC and connect it to the same logical segment as the primary Ethernet controller, you can configure the server to support a failover function.
  • Page 95 Because you set this priority at the host or entry point of the network, the network devices can base forwarding decisions on priority information defined in the packet. Priority Packet information is available on the IBM Networking Web site at: http://www.ibm.com/networking/support. Priority Packet prioritizes traffic based on priority filters. These are parameters you assign to outgoing (transmit) packets.
  • Page 96 802.1p. v The adapters on these devices must support 802.1p. The Ethernet controller in your server all IBM 10/100 Ethernet Server Adapters support 802.1p. v The adapter cannot be assigned to an adapter team. v If you are setting up Plans and packet tagging on the same adapter, 802.1p/802.1Q Tagging must be enabled on the IBMSet Advanced tab.
  • Page 97: Keyboard Port

    I/O ports Notes: 1. Windows NT versions prior to 4.0 do not support VLANs. 2. VLANs require NT 4.0 with Service Pack 3.0 and the NDIS driver from Microsoft. 3. In Windows NT, VLANs cannot be implemented on controllers that have been configured for teaming options.
  • Page 98: Auxiliary-Device (Pointing Device) Port

    I/O ports The following table shows the pin-number assignments for the keyboard connector on the rear of your server. Table 6. Keyboard connector pin-number assignments Signal Data Reserved Ground +5 V dc Keyboard clock Reserved Auxiliary-device (pointing device) port The system board has one auxiliary-device port that supports a mouse or other pointing device.
  • Page 99: Ultra160 Scsi Ports

    I/O ports Viewing or changing the serial-port assignments To view or change the serial-port assignments: 1. Restart the server and watch the monitor screen. 2. When the message Press F1 for Configuration/Setup appears, press F1. 3. From the main menu, select Devices and I/O Ports; then, press Enter. 4.
  • Page 100 If you plan to attach external SCSI devices, you must order additional SCSI cables. To select and order the correct cables for use with external devices, contact your IBM reseller or IBM marketing representative. For information about the maximum length of SCSI cable between the terminated ends of the cable, refer to the American National Standards Institute (ANSI) SCSI standards.
  • Page 101 I/O ports SCSI connector pin-number assignments The following table shows the pin-number assignments for the 68-pin SCSI connectors. Note: Two RJ-45 connectors (with automatic termination on RS-485_A (upper connector in rack model) using token ring shorting feature for RS-485 function. RS-485_B (lower connector) should be used if system is either at beginning or end of RS-485 network and no cable plug into RS-485_A.
  • Page 102 I/O ports Table 9. 68-pin SCSI connector pin-number assignments (continued) Signal Signal +Request -Request +Input/Output -Input/Output +Data 8 -Data 8 +Data 9 -Data9 +Data 10 -Data 10 +Data 11 -Data 11 Hardware Maintenance Manual: Type 8668...
  • Page 103: Cabling The Server

    Cabling the server Cabling the server When you cable the server, be sure to route the power cables and mouse and keyboard cables through the cable-restraint bracket on the rear of the server. Note: The illustrations in this document might differ slightly from your hardware. Serial A Serial B Mouse...
  • Page 104 Cabling the server Routing cables through cable-management assembly Note: The illustrations in this document might differ slightly from your hardware. Cable straps Hardware Maintenance Manual: Type 8668...
  • Page 105: Fru Information (Service Only)

    6. Disconnect cables. 7. Press the arrow on the tab 1 to release the bracket. 8. Rotate the LED card 2 away from the front bezel to slide the card out of the slot. © Copyright IBM Corp. 2000, 2001...
  • Page 106: Removing The Power Reset Card

    Removing the power reset card Slots (2) Power reset card To remove the on/off reset board: 1. Power off the server 2. Disconnect cables. 3. Press the arrow on the tab 1 to release. 4. Gently pull the power reset card 3 out of slots 2 to remove from the front panel.
  • Page 107: Removing The Pci Adapter Card Support Assembly

    Rear cable bracket Adhesive strip Screws (2) To remove the on/off reset board: 1. Power off the server 2. Disconnect cables. 3. Press the arrow on the tab of the rear cable bracket 1 to release the bracket arm. 4. Carefully peel away the adhesive strip 2 . 5.
  • Page 108: Removing The Dasd Backplane Assembly

    Removing the DASD backplane assembly DASD backplane To remove the DASD backplane assembly: 1. Power off the server. 2. Disconnect all external cables from the server. 3. Remove the cover. See “Removing the left-side cover (tower model)” on page 43. 4.
  • Page 109: Removing The Power Supply Backplane

    Removing the power supply backplane Power supply backplane To remove the power supply backplane: (250-watt power supply only) 1. Power off the server. 2. Disconnect all external cables from the server. 3. Remove the cover. See “Removing the left-side cover (tower model)” on page 43.
  • Page 110 To remove the system board: 1. Power off the server. 2. Disconnect all external cables from the server. 3. Remove the cover. See “Removing the left-side cover (tower model)” on page 43. 4. Remove the rear air flow fan. See “Replacing a fan assembly” on page 78. 5.
  • Page 111: Symptom-To-Fru Index

    1. DIMM 2. System Board 1-3-1 (1st 64K RAM test failed) 1. DIMM 1-3-2 (1st 64K RAM parity test failed) 1. DIMM 2. Processor 3. System Board 2-1-1 (Secondary DMA register failed) 1. System Board © Copyright IBM Corp. 2000, 2001...
  • Page 112 Beep/Symptom FRU/Action 2-1-2 (Primary DMA register failed) 1. System Board 2-1-3 (Primary interrupt mask register 1. System Board failed) 2-1-4 (Secondary interrupt mask register 1. System Board failed) 2-2-2 (Keyboard controller failed) 1. System Board 2-2-3 (CMOS power failure and 1.
  • Page 113: No Beep Symptoms

    Beep/Symptom FRU/Action Two Short Beeps (Information only, the 1. Run Diagnostics configuration has changed) 2. Run Configuration/Setup Three Short Beeps 1. DIMM 2. System Board One Continuous Beep 1. Processor 2. Optional Processor (if installed) 3. System Board Repeating Short Beeps 1.
  • Page 114 Diagnostic Panel LED FRU/Action DASD LED on (The Amber LED 1. If installed, reseat 12C cable between Yugo DASD backplane and DASD located next to the drive bay that 12C on planar (J9). the failing drive is installed in will 2.
  • Page 115: Diagnostic Error Codes

    Diagnostic Panel LED FRU/Action TEMP LED on (Look at test cases.) 1. Ambient temperature must be within normal operating specifications. See“Features and specifications” on page 3. 2. Ensure fans are operating correctly. 3. Examine System Error Log. a. System over recommended temperature 1) Information LED Panel b.
  • Page 116 Error Code/Symptom FRU/Action 020-XXX-000 (Failed PCI Interface test) 1. System Board 030-XXX-000 (Failed Internal SCSI interface 1. System Board test) 030-XXX-00N (Failed SCSI test on PCI slot 1. Adapter N. Check system error log before replacing a FRU.) 035-XXX-099 1. No adapters were found. 2.
  • Page 117 Error Code/Symptom FRU/Action 166-201-003 System Management: Failed 1. Reseat cables between power backplane and planar. (I2C Bus Error(s). (ISMP indicates 12C 2. Power backplane errors on bus 3. Potential FRUs: power 3. System Board backplane, system board) 166-201-004 System Management: Failed 1.
  • Page 118 Error Code/Symptom FRU/Action 201-XXX-999 (Multiple DIMM failure, see 1. See error text for failing DIMMs error text.) 2. System Board 202-XXX-001 (Failed System Cache test) 1. VRM 1 2. Microprocessor 1 202-XXX-002 (Failed System Cache test) 1. VRM 2 2. Microprocessor 2 206-XXX-000 (Failed Diskette Drive test) 1.
  • Page 119: Error Symptoms

    Error Code/Symptom FRU/Action 264-XXX-0NN (Failed Tape Drive test) 1. Tape Cartridge, if user executed the Read/Write Tape Drive test (XXX = 256) 2. SCSI or Power Cable connected to tape drive with SCSI ID NN. 3. Tape Drive with SCSI ID NN (Refer to the Help and Service Information appendix of the tape drive’s User Guide).
  • Page 120: Power Supply Led Errors

    2. Run Diskette Drive Diagnostics. 3. Cable 4. Diskette Drive 5. System Board Monitor problems (general). Some IBM 1. Monitor monitors have their own self-tests. If you 2. Run Video Diagnostics. If diagnostics pass, the problem may be a suspect a problem with the monitor, refer video driver.
  • Page 121: Post Error Codes

    AC Good LED DC Good LED Description FRU/Action Standby mode or dc 1. Check the cable connector, J33. Move problem. jumper on J32’s extension cable to pins 2-3 to bypass power control. If the DC Good LED comes on, press Ctrl+Alt+Delete. Watch the screen for any POST errors.
  • Page 122 Error Code/Symptom FRU/Action 162 (Device Configuration Error) 1. Run Configuration/Setup Note: Be sure to load the default settings and 2. Battery any additional desired settings; then, save the 3. Failing Device configuration 4. System Board 163 (Real-Time Clock error) 1. Run Configuration/Setup 2.
  • Page 123 Error Code/Symptom FRU/Action 303 (Keyboard controller error) 1. System Board 2. Keyboard 602 (Invalid diskette boot record) 1. Diskette 2. Diskette Drive 3. Cable 4. System Board 604 (Diskette drive error) 1. Run Configuration/Setup and Diagnostics 2. Diskette Drive 3. Drive Cable 4.
  • Page 124 Error Code/Symptom FRU/Action 1600 (The Service Processor is not 1. System Board functioning) Do the following before replacing a FRU: 1. Ensure that a jumper is not installed on J47. 2. Remove the ac power to the system, wait 20 seconds; then, re-connect the ac power. Wait 30 seconds;...
  • Page 125 Error Code/Symptom FRU/Action 5962 (IDE CD-ROM configuration error) 1. Run Configuration/Setup 2. CD-ROM Drive 3. CD-ROM Power Cable 4. IDE Cable 5. System Board 6. Battery 8603 (Pointing Device Error) 1. Pointing Device 2. System Board 00019501 (Processor 1 is not functioning - 1.
  • Page 126: Scsi Error Codes

    Error Code/Symptom FRU/Action 00180700, 00180800 (General PCI error) 1. System Board 2. PCI Card 01295085 (ECC checking hardware test error) 1. Processor 01298001 (No update data for processor 1) 1. Ensure all processors are the same stepping level and cache size.
  • Page 127: Temperature Error Messages

    Temperature error messages Message Action DASD ″X″ Over Temperature 1. Ensure system is being properly cooled; see“Temperature error (level-critical; Direct Access Storage Device messages”. bay ″X″ was over temperature) DASD ″X″ Over recommended 1. Ensure system is being properly cooled; see “Temperature error Temperature (level-warning;...
  • Page 128: System Shutdown

    Message Action Power supply ″X″ 5V current fault 1. Check for short circuit or overload on +5V bus. (level-critical; overcurrent condition detected) Power supply ″X″ 3.3V current fault 1. Check for short circuit or overload on +3.3V bus. (level-critical; overcurrent condition detected) Power supply ″X″...
  • Page 129: Temperature Related System Shutdown

    Temperature related system shutdown Message Action System shutoff due to board over 1. Ensure system is being properly cooled, see “General checkout” temperature (level-critical; board is over on page 1. temperature) 2. Replace board System shutoff due to CPU ″X″ over 1.
  • Page 130: Undetermined Problems

    3. Remove or disconnect the following (one at a time) until you find the failure (power-on the computer and reconfigure each time). Any external devices Surge suppressor device (on the computer) Modem, printer, mouse, or non-IBM devices Each adapter Drives Memory-Modules (Minimum requirement = 256 MB (2x128 MB DIMMs)) Note: Minimum operating requirements are: a.
  • Page 131 4. Power-on the computer. If the problem remains, suspect the following FRUs in the order listed: Power Supply Power Backplane System Board Notes: 1. If the problem goes away when you remove an adapter from the system, and replacing that adapter does not correct the problem, suspect the System Board. 2.
  • Page 132 Hardware Maintenance Manual: Type 8668...
  • Page 133: Parts Listing Xseries 232 (Models 11X, 21X, 22X,13G, 23G, 1Rx, 2Rx, 2Sx)

    1000/133 Processor Assembly (Models 11x, 1Rx, 13G) 25P2603 1133/133 Processor Assembly (Models 21x, 22x, 2Rx, 2Sx, 23G) 25P2605 1000/133 Processor Assembly (Models 11x, 1Rx, 13G) 25P2603 1133/133 Processor Assembly (Models 21x, 22x, 2Rx, 2Sx, 23G) 25P2605 © Copyright IBM Corp. 2000, 2001...
  • Page 134 Table 10. System Parts Listing for the xSeries 232 (Models 11x, 21x, 22x,13G, 23G,1Rx, 2Rx, 2Sx) (continued) Index System (type 8668) FRU No. System Board Assembly (All Models) 25P2129 128MB Memory DIMM (All Models) 33L3321 Front Bezel, Tower Assembly (Model 11x, 21x, 22x, 13G, 23G) 21P9697 Front Bezel, Rack Assembly (Model 1Rx, 2Rx, 2Sx) 21P9731...
  • Page 135: Keyboards

    Table 10. System Parts Listing for the xSeries 232 (Models 11x, 21x, 22x,13G, 23G,1Rx, 2Rx, 2Sx) (continued) Index System (type 8668) FRU No. Cable, CD ROM (All Models) 37L6055 Cable, Power Backplane/ Proc (All Models) 37L6777 Battery (3V) (All Models) 33F8354 Power Cord (All Models) 6952300...
  • Page 136: Power Cords

    Keyboard FRU No. Spanish 37L2576 Swedish/Finn 37L2577 Swiss, F/G 37L2578 Turkish 37L2579 Turkish 37L2580 UK English 37L2581 Yugosl/Lat 37L2582 US English-EMEA 37L2583 Chinese/US 37L2585 Thailand 37L2587 French Canadian 37L0913 Power cords Power cord FRU No. China (PRC) 01K9851 Japan 01K9853 Thailand 12J5120 Israel...
  • Page 137: Related Service Information

    Safety information The following section contains the safety information that you need to be familiar with before servicing an IBM mobile computer. General safety Follow these rules to ensure general safety: v Observe good housekeeping in the area of the machines during and after maintenance.
  • Page 138: Electrical Safety

    Electrical safety Hardware Maintenance Manual: Type 8668...
  • Page 139 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. v Connect to properly wired outlets any equipment that will be attached to this product.
  • Page 140: Safety Inspection Guide

    v Before you start to work on the machine, unplug the power cord. If you cannot unplug it, ask the customer to power-off the wall box that supplies power to the machine and to lock the wall box in the off position. v If you need to work on a machine that has exposed electrical circuits, observe the following precautions: –...
  • Page 141: Handling Electrostatic Discharge-Sensitive Devices

    Insulation must not be frayed or worn. 4. Remove the cover. 5. Check for any obvious non-IBM alterations. Use good judgment as to the safety of any non-IBM alterations. 6. Check inside the unit for any obvious unsafe conditions, such as metal filings, contamination, water or other liquids, or signs of fire or smoke damage.
  • Page 142: Grounding Requirements

    v Avoid contact with other people. v Wear a grounded wrist strap against your skin to eliminate static on your body. v Prevent the part from touching your clothing. Most clothing is insulative and retains a charge even when you are wearing a wrist strap. v Use the black side of a grounded work mat to provide a static-free work surface.
  • Page 143 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. v Connect to properly wired outlets any equipment that will be attached to this product.
  • Page 144 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 145 ≥18 kg (37 lbs) ≥32 kg (70.5 lbs) ≥55 kg (121.2 lbs) CAUTION: Use safe practices when lifting. Statement 5: CAUTION: The power control button on the device and the power switch on the power supply do not turn off the electrical current supplied to the device. The device also might have more than one power cord.
  • Page 146 Statement 10 CAUTION: Do not place any object weighing more than 82 kg (180 lbs.) on top of rack-mounted devices. Importante: Todas as instruções de cuidado e perigo da Server Library começam com um número. Este número é utilizado para fazer referência cruzada de uma instrução de cuidado ou perigo no idioma inglês com as versões traduzidas das instruções de cuidado ou perigo encontradas nesta seção.
  • Page 147 Instrução 2 CUIDADO: Ao substituir a bateria de lítio, utilize apenas uma bateria IBM, Número de Peça 33F8354 ou uma bateria de tipo equivalente, recomendada pelo fabricante. Se o seu sistema possui um móídulo com uma bateria de lítio, substitua-o apenas pelo mesmo tipo de mídulo, do mesmo fabricante.
  • Page 148 v A utilização de controles ou ajustes ou a execução de procedimentos diferentes dos especificados aqui pode resultar em exposição prejudicial à radiação. PERIGO Alguns produtos a laser contêm um diodo laser da Classe 3A ou Classe 3B embutido. Observe o seguinte: Radiação de laser quando aberto.
  • Page 149 CUIDADO: Instrução 10 CUIDADO: Não coloque nenhum objeto com peso superior a 82 kg (180 lbs.) sobre dispositivos montados em rack. Related service information...
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  • Page 153 Related service information...
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  • Page 157 Related service information...
  • Page 158 Important: Toutes les consignes Attention et Danger indiquées dans la bibliothèque Server sont précédées d’un numéro. Ce dernier permet de mettre en correspondance la consigne en anglais avec ses versions traduites dans la présente section. Par exemple, si une consigne de type Attention est précédée du chiffre 1, ses traductions sont également précédées du chiffre 1 dans la présente section.
  • Page 159 ATTENTION: Remplacez la pile au lithium usagée par une pile de référence identique exclusivement - voir la référence IBM - ou par une pile équivalente recommandée par le fabricant. Si votre système est doté d’un module contenant une pile au lithium, vous devez le remplacer uniquement par un module identique, produit par le même fabricant.
  • Page 160 Notice n 4 ≥18 kg ≥32 kg ≥55 kg ATTENTION: Faites-vous aider pour soulever ce produit. Notice n 5 ATTENTION: Le bouton de mise sous tension/hors tension de l’unité et l’interrupteur d’alimentation du bloc d’alimentation ne coupent pas l’arrivée de courant électrique à...
  • Page 161 ATTENTION: Ne posez pas d’objet dont le poids dépasse 82 kg sur les unités montées en armoire. Related service information...
  • Page 162 Wichtig: Alle Sicherheitshinweise in dieser Server-Bibliothek beginnen mit einer Nummer. Diese Nummer verweist auf einen englischen Sicherheitshinweis mit den übersetzten Versionen dieses Hinweises in diesem Abschnitt. Wenn z. B. ein Sicherheitshinweis mit der Nummer 1 beginnt, so erscheint die übersetzung für diesen Sicherheitshinweis in diesem Abschnitt unter dem Hinweis Lesen Sie alle Sicherheitshinweise, bevor Sie eine Anweisung ausführen.
  • Page 163 Hinweis 2 ACHTUNG: Eine verbrauchte Batterie nur durch eine Batterie mit der IBM Teilenummer 33F8354 oder durch eine vom Hersteller empfohlene Batterie ersetzen. Wenn Ihr System ein Modul mit einer Lithium-Batterie enthält, ersetzen Sie es immer mit dem selben Modultyp vom selben Hersteller. Die Batterie enthält Lithium und kann bei unsachgemäßer Verwendung, Handhabung oder Entsorgung explodieren.
  • Page 164 Hinweis 4 ≥18 kg ≥32 kg ≥55 kg ACHTUNG: Beim Anheben der Maschine die vorgeschriebenen Sicherheitsbestimmungen beachten. Hinweis 5 ACHTUNG: Mit dem Betriebsspannungsschalter an der Vorderseite des Servers und dem Betriebsspannungsschalter am Netzteil wird die Stromversorgung für den Server nicht unterbrochen. Der Server k÷nnte auch mehr als ein Netzkabel aufweisen. Um die gesamte Stromversorgung des Servers auszuschalten, muß...
  • Page 165 ACHTUNG: Keine Gegenstände, die mehr als 82 kg wiegen, auf Rack-Einheiten ablegen. Related service information...
  • Page 166 Importante: Tutti gli avvisi di attenzione e di pericolo riportati nella pubblicazione Server Library iniziano con un numero. Questo numero viene utilizzato per confrontare avvisi di attenzione o di pericolo in inglese con le versioni tradotte riportate in questa sezione. Ad esempio, se un avviso di attenzione inizia con il numero 1, la relativa versione tradotta è...
  • Page 167 Avviso 2 ATTENZIONE: Quando si sostituisce la batteria al litio, utilizzare solo una batteria IBM con numero parte 33F8354 o batterie dello stesso tipo o di tipo equivalente consigliate dal produttore. Se il sistema di cui si dispone è provvisto di un modulo contenente una batteria al litio, sostituire tale batteria solo con un tipo di modulo uguale a quello fornito dal produttore.
  • Page 168 Avviso 4 ≥18 kg ≥32 kg ≥55 kg ATTENZIONE: Durante il sollevamento della macchina seguire delle norme di sicurezza. Avviso 5 ATTENZIONE: Il pulsante del controllo dell’alimentazione situato sull’unità e l’interruttore di alimentazione posto sull’alimentatore non disattiva la corrente elettrica fornita all’unità.
  • Page 169 ATTENZIONE: Non poggiare oggetti che pesano più di 82 kg sulla parte superiore delle unità montate in rack. Related service information...
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  • Page 173 Importante: Todas las declaraciones de precauciín de esta Biblioteca del servidor empiezan con un número. Dicho número se emplea para establecer una referencia cruzada de una declaraciín de precauciín o peligro en inglés con las versiones traducidas que de dichas declaraciones pueden encontrarse en esta secciín. Por ejemplo, si una declaraciín de peligro empieza con el número 1, las traducciones de esta declaraciín de precauciín aparecen en esta secciín bajo Declaraciín 1.
  • Page 174 PRECAUCIÓN: Cuando desee sustituir la batería de litio, utilice únicamente el número de pieza 33F8354 de IBM o cualquier tipo de batería equivalente que recomiende el fabricante. Si el sistema tiene un mídulo que contiene una batería de litio, sustitúyalo únicamente por el mismo tipo de mídulo, que ha de estar creado por el mismo fabricante.
  • Page 175 Algunos productos láser contienen un diodo de láser incorporado de Clase 3A o de Clase 3B. Tenga en cuenta la advertencia siguiente. Cuando se abre, hay radiaciín láser. No mire fijamente el rayo ni lleve a cabo ningún examen directamente con instrumentos ípticos; evite la exposiciín directa al rayo.
  • Page 176 Declaración 10 PRECAUCIÓN: No coloque ningún objeto que pese más de 82 kg (180 libras) encima de los dispositivos montados en bastidor. Hardware Maintenance Manual: Type 8668...
  • Page 177: Send Us Your Comments

    We want to know your opinion about this manual (part number 19K6112). Your input will help us to improve our publications. Please photocopy this survey, complete it, and then fax it to IBM HMM Survey at 919-543-8167 (USA). Name: _________________________________________...
  • Page 178: Notices

    IBM intends to make these available in all countries in which IBM operates. Any reference to an IBM product, program, or service is not intended to state or imply that only that IBM product, program, or service may be used. Subject to IBM’s valid intellectual property or other legally protectable rights, any...
  • Page 179 Windows NT is a trademark or registered trademark of Microsoft Corporation. Related service information...
  • Page 180 Hardware Maintenance Manual: Type 8668...
  • Page 182 Part Number: 24P2921 Printed in the United States of America on recycled paper containing 10% recovered post-consumer fiber. (1P) P/N: 24P2921...

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