Page 1
ERserver xSeries 255 Type 8685 Hardware Maintenance Manual and Troubleshooting Guide...
Page 3
ERserver xSeries 255 Type 8685 Hardware Maintenance Manual and Troubleshooting Guide...
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.
About this manual This manual contains diagnostic information, a Symptom-to-FRU index, service ® information, error codes, error messages, and configuration information for the IBM Eserver xSeries ® 255. Important: The field replaceable unit (FRU) procedures are intended for trained servicers who are familiar with IBM xSeries products. See the parts listing in “System”...
Page 6
255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
Page 10
Chinese Class A warning statement ....213 Japanese Voluntary Control Council for Interference (VCCI) statement viii xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
Chapter 1. General information The IBM Eserver xSeries 255 Type 8685 server, which features IBM ™™ X-Architecture technology, is a high-performance server that can be upgraded to a symmetric multiprocessing (SMP) server through a microprocessor upgrade. It is ideally suited for networking environments that require superior microprocessor performance, efficient memory management, flexibility, and large amounts of reliable data storage.
Option Installation Guide This publication is provided in PDF on the IBM xSeries Documentation CD. It contains instructions to install, remove, and connect optional devices supported by your server.
Features and specifications Table 1 provides a summary of the features and specifications for your server. Table 1. Features and specifications Microprocessor: Video: Environment: ™® ™ v Intel Xeon v ATI RageXL video controller v Air temperature: v 1 MB or 512 KB level-3 cache v Compatible with SVGA and VGA –...
ACT (activity) LED: This green LED is on when there is activity on the server. INFO (system information) LED: When this amber LED is on, the server power supplies are nonredundant, or some other noncritical event has occurred. The event xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
is recorded in the Error log. Check the light path diagnostics panel for more detailed information (see “Light path diagnostics” on page 32). FAULT (system-error) LED: This amber LED is on when a system error occurs. An LED on the light path diagnostics panel will also be on to further isolate the error. Hard disk drive activity LED: Each hot-swap drive has a hard disk drive activity LED.
DC power LED: This green LED provides status information about the power supply. During typical operation, both the ac and dc power LEDs are on. Turning on the server Statement 13: xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
Page 17
DANGER Overloading a branch circuit is potentially a fire hazard and a shock hazard under certain conditions. To avoid these hazards, ensure that your system electrical requirements do not exceed branch circuit protection requirements. Refer to the information that is provided with your device for electrical specifications.
When the server is in Standby mode, the power-on LED on the front of the server flashes (when the server is running, the power-on LED stays on and does not flash). xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
Page 19
You can put the server in Standby mode in any of the following ways: v You can press the power-control button on the server. This starts an orderly shutdown of the operating system, if this feature is supported by your operating system.
Page 20
255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
ServerGuide CD The ServerGuide CD includes software setup and installation tools that are specifically designed for your IBM server. You can use this CD during the initial installation of your server to configure the server hardware and simplify your network operating system installation.
Page 22
– The default setting is Enable for all the controllers. If you select Disable, the system will not configure the disabled device, and the operating system will not detect the device. (This is equivalent to unplugging the device.) xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
Page 23
– If the on-board SCSI controller is disabled and no other controller and mass storage device are installed, operating-system startup cannot occur. – If the video controller is disabled and no video adapter is installed, the server will have no video capability. Select System Service Processor Settings to view the interrupt-request setting (IRQ) that is used by the ISMP (service processor).
Page 24
- PCI MLT to assign Master Latency Timer (MLT) values for the PCI and PCI-X devices in the server. - PCI Interrupt Routing to assign interrupt values for the PCI and PCI-X devices in the server. – Memory Settings xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
Select this choice to manually enable a pair or quad of memory. Notes: 1. A pair or quad is also known as a memory bank. 2. You cannot disable memory. Memory can only be disabled by the server. 3. For details on enabling the Hot Spare Memory feature, see the description of the Core Chipset Control menu under Advanced Setup.
2 on the system board) to bypass the power-on password check. You can then start the Configuration/Setup Utility program and change the power-on password (see “Starting the Configuration/Setup Utility program” on page 11). xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
Page 27
Notes: 1. Before changing any switch settings or moving any jumpers, turn off the server; then, disconnect all power cords and external cables. 2. Any system-board switch or jumper blocks that are not shown in the illustrations in this book are reserved. v Power-on password override (switch 6 on switch block 2) Changing the position of this switch bypasses the power-on password check if the switch has been moved since the server was last turned on.
Select this choice to configure startable device parameters. Before you can make updates, you must know the ID of the device whose parameters you want to configure. – SCSI Device Configuration xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
Page 29
Select this choice to configure SCSI device parameters. Before you can make updates, you must know the ID of the device whose parameters you want to configure. Note: The Maximum Sync Transfer Rate represents the transfer rate for Ultra SCSI devices. - The transfer rate for Ultra160 LVD devices is 160.0 MBps.
If a later version of the ServerGuide program is available, you can download a free image of the ServerGuide Setup and Installation CD, or you can purchase the CD. To download the latest ServerGuide program, go to the IBM ServerGuide Web page at http://www.ibm.com/pc/qtechinfo/MIGR-4ZKPPT.html. To purchase the latest ServerGuide Setup and Installation CD, see the “ServerGuide Updates”...
Setup and configuration overview When you use the ServerGuide Setup and Installation CD, you do not need setup diskettes. You can use the CD to configure any supported IBM server model. The ServerGuide program checks your system BIOS, service processors, and other system hardware to determine if system updates are available.
6. The ServerGuide program prompts you to insert your NOS CD and restart the server. At this point, the installation program for the NOS takes control to complete the installation. xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
For information on configuring your Ethernet controller, see the Broadcom NetXtreme Gigabit Ethernet Software CD that comes with your server. For updated information about configuring your Ethernet controller, go to the IBM Support Web site at http://www.ibm.com/pc/support and navigate to the area for your specific server type.
Ethernet controller and to the controllers on supported Ethernet adapters. Ethernet port connector The following illustration shows the pin-number assignments for the RJ-45 connector. These assignments apply to the 10BASE-T, 100BASE-TX, and 1000BASE-T devices. xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
Page 36
If you receive an error, see Chapter 6, “Symptom-to-FRU index,” on page 127. If the diagnostic programs were completed successfully and you still suspect a problem, see “Undetermined problems” on page 157. xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
Diagnostic tools overview The following tools are available to help you identify and resolve hardware-related problems: v POST beep codes, error messages, and error logs The power-on self-test (POST) generates beep codes and messages to indicate successful test completion or the detection of a problem. See “POST error logs” for more information.
Text messages The diagnostic text message format is as follows: Function Name: Result (test specific string) where: xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
Function Name is the name of the function being tested when the error occurred. This corresponds to the function code (fff) shown in the error code format in the previous section. Result can be one of the following: Passed This result occurs when the diagnostic test is completed without any errors.
These LEDs are part of the light path diagnostics built into the server. By following the path of lights, you can quickly identify the type of system error that occurred. xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
LEDs for Active PCI slots Each Active (hot-plug) PCI slot has two LEDs associated with it: one Power-on LED and one Attention LED. The illustration in “System-board LED locations” on page 47 shows the location of these LEDs. Power-on LED This LED is on when the hot-plug PCI slot has power.
DIMM fails, the lights for all of the interleaved DIMMs on that bank will be lit. See “Memory errors” on page 34. 2. The light path diagnostics panel is also called the LED card or the diagnostic LED panel. xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
3. Depending on your server model, these items might appear in a different orientation on the light path diagnostics panel. 4. If an integrated system board VRM or memory board VRM has failed, run diagnostics (“Starting the diagnostic programs” on page 29) and see Chapter 6, “Symptom-to-FRU index,”...
(SCSI RAID option is not systems) or the ServerGuide System Partition is not present. Run the available. ServerGuide program, and ensure that setup is complete. xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
Power checkout Power problems can be difficult to solve. For example, a short circuit can exist anywhere on any of the power distribution buses. Usually a short circuit will cause the power subsystem to shut down because of an overcurrent condition. A general procedure for troubleshooting power problems is as follows: 1.
Page 46
Although interrupt sharing is allowed for PCI devices, some devices do not function well when they share an interrupt with a dissimilar PCI device. Try changing the IRQ assigned to the Ethernet adapter or the other device. v Reseat or replace the adapter. xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
The integrated Ethernet controller might display messages from certain device drivers. The latest information available concerning these messages will be made available at the IBM Support Web site at http://www.ibm.com/pc/support. Note: See the documentation on the Broadcom NetXtreme Gigabit Ethernet Software CD that came with the server for information about configuring the Ethernet controller.
Page 48
Remove the flash diskette from the diskette drive. 12. Turn off the server. 13. Move J50 to pins 1 and 2 to return to normal startup mode. 14. Restart the server. The system starts up. xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
Back up all important data before you make changes to disk drives. v For a list of supported options for your server, go 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 that: v Each of the drive bays has either a drive or a filler panel installed.
The tower model also includes a door with a key lock on the front of the server and wheels on the bottom of the server for easier mobility. xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
Page 51
Air baffle System handles Fans Memory module Memory board Fans Microprocessor VRM with plastic handle Dividers Microprocessor VRM with metal retaining-clip housing Adapter Heat sink support bracket Microprocessor System board Power-supply fans SCSI backplane support bracket Microprocessor baffle Light Path Diagnostics panel Power supplies Shuttle assembly...
System-board internal cable connectors The following illustration shows the internal cable connectors on the system board. Hot-plug PCI-X switch card (J20) Internal rear fans 3 and 4 (J49) Remote Supervisor Adapter (J16) External SCSI A (J14) Diskette drive (J19) Internal front fans 1 and 2 (J48) CD-ROM drive...
Note: ISMP ports (ISMP A and B) are used for the RS-485 interconnect network communications. These ports become inactive if you install an optional IBM Remote Supervisor Adapter in this server. If you install an optional IBM Remote Supervisor Adapter in this server, you must use the RJ-45 connector on the adapter for interconnect network communications.
System-board switches and jumpers The following illustration shows the location of the switch block (SW2) on the system board. Switch block 2 (SW2) 3 4 5 6 7 8 The following illustration shows the switches on the switch block (SW2). Reserved Power-on password override Reserved...
Page 56
1. Before changing any switch settings or moving any jumpers, turn off the server; then, disconnect all power cords and external cables. 2. Any system-board switch or jumper blocks that are not shown in the illustrations in this book are reserved. xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
System-board LED locations The following illustration shows the location of the LEDs on the system board. You might need to refer to this illustration when solving problems with the server. PCI-X slot 5 attention (CR17) PCI-X slot 4 attention (CR16) PCI-X slot 5 power (CR22) PCI-X slot 4 power (CR21) PCI-X slot 6 attention (CR18)
Removing the top cover and bezel The following procedures show how to remove the top cover and bezel or door from your server. Removing the top cover (all models) Complete the following steps to remove the server top cover. 1. Review the information in “Before you begin” on page 39, “Handling static-sensitive devices”...
1. Unlock the bezel, if it has not already been unlocked. 2. Press on the two release latches at the top edge of the bezel, and pull the top of the bezel slightly away from the server. xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
3. Lift the bezel to release the two tabs at the bottom edge of the bezel. 4. Store the bezel in a safe place. Working with adapters This section describes how to install hot-plug and non-hot-plug PCI and PCI-X adapters. Before you continue with the adapter-installation procedures, review “Adapter considerations.”...
Page 62
The 64-bit slots support 3.3 V and universal PCI and PCI-X adapters; they do not support 5.0 V adapters. v If you install an optional IBM Remote Supervisor Adapter in this server, you must install the adapter in PCI slot 1. However, you can install other compatible adapters in this slot.
and then PCI-X slots 2 and 3. Then, the system starts (boots) the PCI and PCI-X devices in this order, if you have not changed the default boot precedence. Note: To change the boot precedence for PCI and PCI-X devices, you must disable the devices through the Configuration/Setup Utility program.
Page 64
Adapter- retention Adapter- retention latch Attention Adapter locking lever Power Unlock Adapter Lock xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
Page 65
Complete the following steps to install an adapter. Attention: When you handle static-sensitive devices, take precautions to avoid damage from static electricity. For details about handling these devices, see “Handling static-sensitive devices” on page 40. 1. Review the information in “Before you begin” on page 39 and “Safety information”...
3. Cable identifiers are printed on the cables that come with your server and options. Use these identifiers to connect the cables to the correct connectors. For example, the hard disk drive cables are labeled “HDD option.” xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
Page 67
Cabling a single SCSI channel using the standard hot-swap drive SCSI backplane Complete the following steps to cable a single SCSI channel on a RAID or SCSI adapter using the standard hot-swap drive SCSI backplane: 1. Review the information in “Before you begin” on page 39, “Handling static-sensitive devices”...
Page 68
Air baffle Handle Fasteners 6. Open the microprocessor airflow guide located between the front fans and the microprocessors. Microprocessor airflow guide Locking tabs (open position) Microprocessor airflow guide (closed position) xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
Page 69
7. Unlock the metal-hinge latch that secures the shuttle assembly in place. Then, slide the shuttle assembly toward the rear of the server, approximately 10 cm (4 in.). Shuttle latch 8. Disconnect the internal integrated drive electronics (IDE) signal cable from the IDE system-board connector.
Page 70
If your server is a rack model and you have already installed the server in a rack enclosure, you must reconnect the cable-management-arm bracket to the server. a. Slide the server into the rack. b. Reattach the cable-management-arm bracket to the server. xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
Cable-management arm bracket Cable-management Captive screw Fan bay 7 (fan removed) 1) Remove the fan from fan bay 7. 2) Insert the tab on the cable-management-arm bracket into the corresponding slot on the server. 3) Tighten the captive screw on the cable-management-arm bracket to the server.
Page 72
6. Cable identifiers are printed on the cables that come with your server and options. Use these identifiers to connect the cables to the correct connectors. For example, the hard disk drive cables are labeled “HDD option.” xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
Installing the optional 6-Pack hot-swap drive backplane Note: The optional xSeries 6-Pack Hot-Swap Hard Drive Expansion Kit might contain some components that you will not need for this procedure. For information about the contents of this option kit, see the documentation that comes with the option kit.
Page 74
Pull out the two plastic fasteners on the front of the air baffle. Note: Do not remove the fasteners from the air baffle. b. Grasp the handle on the air baffle; then, lift the air baffle from the server. xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
Page 75
Air baffle Handle Fasteners 7. Open the microprocessor airflow guide located between the front fans and the microprocessors. Microprocessor airflow guide Locking tabs (open position) Microprocessor airflow guide (closed position) 8. Unlock the metal-hinge latch that secures the shuttle assembly in place. Then, slide the shuttle assembly toward the rear of the server, approximately 10 cm (4 in.).
Page 76
RAID or SCSI adapter in your server and connecting the SCSI cables to a RAID or SCSI adapter. 12. Disconnect the signal and power cables that are attached to the standard SCSI backplane. xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
Page 77
13. Loosen the captive screw on top of the metal backplane support bracket by turning the screw counterclockwise. Lift the metal backplane support bracket from the server. Screws Power connector Power cable SCSI backplane Captive screw Signal cable Signal connector 14.
Page 78
12 V Power Power backplane signal SCSI backplane power (standard) SCSI backplane power (optional) b. Connect the other end of the cable (labeled “HDD2”) to the new 6-Pack hot-swap drive backplane. xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
Page 79
19. Reconnect the SCSI signal cable and power cable to the standard SCSI backplane: a. Make sure that one end of the power cable is still connected to the upper power backplane connector. b. Connect the other end of the power cable (labeled “HDD1”) to the standard SCSI backplane.
Page 80
1) Remove the fan from fan bay 7. 2) Insert the tab on the cable-management-arm bracket into the corresponding slot on the server. 3) Tighten the captive screw on the cable-management-arm bracket to the server. xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
4) Reinstall the fan in fan bay 7. 30. If you have other options to install or remove, do so now; otherwise, go to “Completing the installation” on page 104. Installing internal drives If you add different types of drives, your system can read multiple types of media and store more data.
Page 82
IDE cable to the system board. v For a list of supported IDE and SCSI options for your server, go to http://www.ibm.com/pc/us/compat/ on the World Wide Web. xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
Installing a hot-swap hard disk drive Complete the following steps to install a drive in a hot-swap bay. Attention: When you handle static-sensitive devices, take precautions to avoid damage from static electricity. For details about handling these devices, see “Handling static-sensitive devices” on page 40. 1.
Use these cables to connect the removable-media drives. If you plan to install SCSI devices in the removable-media drive bays, you must purchase a SCSI cable or use the cable that comes with your option. Consult your IBM marketing representative or reseller for additional information about the number and types of cables that your server configuration requires.
Page 85
Cable-management arm bracket Cable-management Captive screw Fan bay 7 (fan removed) 1) Loosen the captive screw on the cable-management-arm bracket. 2) Slide the tab on the cable-management-arm bracket out of the slot on the server; then, remove the bracket from the server. b.
Page 86
(closed position) 7. Unlock the metal-hinge latch that secures the shuttle assembly in place. Then, slide the shuttle assembly toward the rear of the server, approximately 10 cm (4 in.). xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
Page 87
Shuttle latch 8. Disconnect the internal IDE signal cable from the IDE system-board connector. Disconnect the diskette-drive signal cable and front-fan signal cable from the corresponding system-board connectors. See “System-board internal cable connectors” on page 43 for cable locations. 9. If you have not yet installed a RAID or SCSI adapter, install it now. Otherwise, continue with the next step.
Page 88
SCSI device that you installed. Attach the other end of the cable to the internal SCSI connector (J15) on the system board. xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
Page 89
Important: At this time, you must connect a RAID or SCSI adapter to the hard disk drives in the upper drive cage (see “Cabling a RAID or SCSI adapter” on page 56 for additional information). 17. Connect a power cable to the rear of the drive. A three-drop power cable for removable-media drives comes installed in your server.
1. The DIMM options available for your server are 256 MB, 512 MB, and 1 GB. Your server supports a minimum of 512 MB and a maximum of 12 GB of system memory. xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
Page 91
1 GB DIMMs. These DIMMs must be compatible with the latest PC1600 SDRAM Registered DIMM specification. For a list of supported options for your server, go to http://www.ibm.com/us/compat/ on the World Wide Web. 9. Installing or removing DIMMs changes the configuration information in the server.
Page 92
Pull out the two plastic fasteners on the front of the air baffle. Note: Do not remove the fasteners from the air baffle. b. Grasp the handle on the air baffle; then, lift the air baffle from the server. xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
Page 94
Lift up on the memory-board assembly and remove it from the server. Release latch Velcro tabs Memory-board airflow guide Release latch (closed position) c. Place the memory-board assembly on a static-protective surface. xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
Page 95
5. Open (to the unlocked position) the memory-board airflow guide away from the memory-board assembly. Release latch Airflow guide velcro retention tabs Memory board Release latch Memory-board airflow guide (closed position) Memory-board airflow guide (open position) 6. Locate the DIMM connectors on the memory board. Determine the DIMM connectors into which you will install the DIMMs.
Page 96
This secures the memory board in the server. 15. Reinstall the air baffle: a. Align and insert the two tabs on the rear of the air baffle into the corresponding slots on the rear of the server. xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
b. Align the hole on the front of the air baffle over the corresponding alignment pin on the chassis; then, lower the air baffle into place. Note: The alignment pin is located near the plastic fastener behind fan 1. c. Press firmly on the two plastic fasteners until they snap into place on the front of the air baffle.
Page 98
World Wide Web. Notes: 1. To order additional microprocessor options, contact your IBM reseller or IBM marketing representative. 2. When you install an additional microprocessor, you must also install the voltage regulator module (VRM) that comes with the microprocessor in the corresponding VRM connector.
Page 99
Table 8. Microprocessor and VRM installation order (continued) Microprocessor Microprocessor number socket label VRM connector CPU2 J35 (plastic retaining clip provided on VRM housing) CPU3 J36 (standard, metal retaining clip provided on VRM housing) CPU4 J37 (standard, metal retaining clip provided on VRM housing) The following illustration is a layout of the microprocessor socket locations and other microprocessor-related components on the system board.
Page 100
167. 2. Turn off the server and disconnect all power cords and external cables; then, remove the server cover (see “Removing the top cover and bezel” on page 49). xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
Page 101
3. Remove the air baffle: a. Pull out the two plastic fasteners on the front of the air baffle. Note: Do not remove the fasteners from the air baffle. b. Grasp the handle on the air baffle; then, lift the air baffle from the server. Air baffle Handle Fasteners...
Page 102
VRM. Note: Do not attach the plastic retainer clip to the VRM for microprocessor 3 or 4. xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
Page 103
Captive screws Heat sink VRM handle Microprocessor Microprocessor orientation indicator Microprocessor release lever v If you are installing a VRM for microprocessor 3 or 4, remove the metal retainer clip from the corresponding VRM baffle. Then, remove the plastic VRM baffle from the appropriate VRM connector. Attach the top of the metal retainer clip to the top of the VRM.
Page 104
Failure to do so might result in permanent damage to the microprocessor, microprocessor socket, and system board. xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
Page 105
Lever open Lever closed Lever open Lever closed Note: The locations of the microprocessor-release lever and microprocessor orientation indicator might vary depending on the location of the microprocessor socket. c. Center the microprocessor over the microprocessor socket. Carefully press the microprocessor into the socket. Attention: v Do not use excessive force when pressing the microprocessor into the socket.
1. Note: To show the location of the power-supply bays, the hot-swap fans are not included in this illustration. xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
Page 107
Power supply bay 1 Power supply bay 3 (use bottom power- (use top power- cord connector) cord connector) Power-cord Power supply bay 2 Power supply bay 4 connectors (use bottom power- (use top power- cord connector) cord connector) Since the server comes with hot-swap power supplies in power-supply bays 1 and 2, you must plug a power cord into each power-cord connector in power-supply bay 1.
Page 108
If you install a strain-relief bracket option over the end of the power cord that is connected to the device, you must connect the other end of the power cord to an easily accessible power source. xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
Complete the following steps to install an additional power supply: 1. Review the information in “Before you begin” on page 39, “Handling static-sensitive devices” on page 40, and “Safety information” on page 167. 2. Select the power-supply bay in which you want to install the power supply. 3.
If you are replacing one of the internal fans (fans 1 through 6): Fan 6 Fan 5 Fan 4 Fan 3 Fan 2 Fan 1 Internal fan LED Fan release latch xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
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.
Page 112
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.
To maintain proper cooling and airflow, install the server cover before turning on the server. Operating the server for extended periods of time (over 30 minutes) with the server cover removed might damage server components. xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
Note: If you have just plugged the power cords of your server into an electrical outlet, you will have to wait approximately 20 seconds before pressing the power-control button. Installing the top cover and bezel Before you install the server top cover and bezel, review the information in “Before you begin”...
Page 116
1. Insert the two tabs on the bottom of the bezel into the matching holes on the server chassis. 2. Push the top of the bezel toward the server until the two release latches at the top of the bezel snap into place. xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
You can also use a SCSI storage expansion enclosure to attach additional external devices to your server. For a list of supported options for your server, go to http://www.ibm.com/pc/us/compat/ on the World Wide Web. If you plan to attach external SCSI devices, you must order additional SCSI cables.
The ISMP ports are used for the RS-485 interconnect network communications. These ports become inactive if you install an optional IBM Remote Supervisor Adapter in this server. If you install an xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
IBM Remote Supervisor Adapter in this server, you must use the RJ-45 connector on the adapter for interconnect network communications. 2. For more information about line cords and power supplies, see “Installing a hot-swap power supply” on page 96.
See “Adapter considerations” on page 51 for detailed information about the PCI buses in your server. The server comes with one SCSI cable. This cable connects the internal SCSI channel connector (J15) to the standard hot-swap-drive backplane. If you want to xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
Page 121
use the external LVD SCSI channel connector (J14) to connect external SCSI devices to the server, you must remove the knockout on the rear of the server and install an optional external SCSI cable. Note: If you install a PCI RAID adapter to configure and manage the internal hot-swap drives, you must move the SCSI cable from the system-board SCSI connector to an internal channel connector on the RAID adapter.
Serial-port connectors The following illustration shows the pin-number assignments for the 9-pin, male D-shell serial-port connector on the rear of your server. These pin-number assignments conform to the industry standard. xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
Universal Serial Bus ports Your server has four Universal Serial Bus (USB) ports, which are configured automatically. USB is a serial interface standard for telephony and multimedia devices. It uses Plug and Play technology to determine the type of device that is attached to the connector.
Note: ISMP ports (ISMP A and B) are used for the RS-485 interconnect network communications. These ports become inactive if you install an optional IBM Remote Supervisor Adapter in this server. If you install an optional IBM Remote Supervisor Adapter in this server, you must use the RJ-45 connector on the adapter for interconnect network communications.
Page 125
For example, the hard disk drive cables are labeled “HDD option.” The following illustration shows the external cable connectors on the server. Detailed cabling instructions are provided on the IBM xSeries Documentation CD that comes with your server. External SCSI...
Page 126
255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
This chapter describes the removal of server components. Important: The field replaceable unit (FRU) procedures are intended for trained servicers who are familiar with IBM xSeries products. See the parts listing in “System” on page 160 to determine if the component being replaced is a customer replaceable unit (CRU) or a FRU.
1. Turn off the server. 2. Disconnect all power cords and external cables from the back of the server. 3. Remove the server cover (see “Removing the top cover (all models)” on page 49). xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
4. Pull out the hard disk drives (see “Installing a hot-swap hard disk drive” on page 73). 5. Disconnect the SCSI backplane cables from the system board (see “System-board internal cable connectors” on page 43). 6. Move the shuttle back to allow easy access to the board. Note: The illustrations in this document might differ slightly from your hardware.
3. Remove the server cover (see “Removing the top cover (all models)” on page 49). 4. Disconnect the front-panel assembly cable from the system board (see “System-board internal cable connectors” on page 43). xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
Note: The illustrations in this document might differ slightly from your hardware. 5. Grasp the retention pin on the front-panel assembly and gently pull it up until the assembly releases. 6. Remove the assembly from the server. 7. To replace the front-panel assembly, reverse the previous steps. Power backplane Complete the following steps to remove the power backplane.
4. Remove the power supplies (see “Installing a hot-swap power supply” on page 96). 5. Remove the shuttle. Note: The illustrations in this document might differ slightly from your hardware. xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
AC Power box 6. Remove the screw securing the power box to the chassis. 7. Slide the power box toward the front of the server until it comes away from the chassis. 8. Pull up on the four power plugs at the end of the power box cable until they are free of the chassis.
Page 134
13. Pull the system board carefully out of the shuttle. 14. If you are replacing the shuttle, continue with step 16 on page 125 using the new shuttle with the existing system board. xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
15. If you are replacing the system board, continue with step 16 using the new system board with the existing shuttle. 16. Align the system board with the shuttle and replace the 30 screws that were removed in step 11 on page 124 and step 12 on page 124 above. Be sure to replace the heat sink retention modules that had been removed.
Page 136
Note: 0.01 mL is one tick mark on the syringe. If the grease is properly applied, approximately half of the grease will remain in the syringe. 6. Install the heat sink onto the microprocessor as described in “Installing an additional microprocessor” on page 87. xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
1. Check the configuration before you replace a FRU. Configuration problems can cause false errors and symptoms. 2. For IBM devices not supported by this index, refer to the manual for that device. 3. Always start with “General checkout” on page 25.
Page 138
System board (Screen memory failed) 2-3-3 v System board (Screen retrace failed) 2-3-4 v System board (Search for video ROM failed) 2-4-1 v System board (Video failed; screen believed operable) xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
Page 139
Note: See “System” on page 160 to determine which components should be replaced by a field service technician. Beep/symptom FRU/action 3-1-1 v System board (Timer tick interrupt failed) 3-1-2 v System board (Interval timer channel 2 failed) 3-1-3 1. DIMM (RAM test failed above address 2.
LEDs followed by the FRU or action for correcting the problem. The information in the table is valid only when the system-error LED is lit. xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
Page 141
Notes: 1. If a diagnostics panel LED is lit and the information LED panel system-error LED is off, there is probably an LED problem. Run LED diagnostics. 2. To locate the LEDs on the system board, see “System-board LED locations” on page 47.
Page 142
2. Remove optional devices from the server. NONREDUND on 1. Check the PSx LEDs and replace any indicated power supply. 2. Install an additional power supply or remove optional devices from the server. xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
Note: See “System” on page 160 to determine which components should be replaced by a field service technician. Diagnostics panel LED FRU/action MEMORY on (The LED next to the 1. DIMM x failing DIMM is on.) 2. Memory card Note: See “Memory errors” on 3.
Page 145
Note: See “System” on page 160 to determine which components should be replaced by a field service technician. Error code/symptom FRU/action 166-051-000 System Management: Failed 1. Flash latest levels of firmware (BIOS, service processor, (Unable to communicate with ASM. It may diagnostics) be busy.
Page 146
1. Operator information panel (Failed front LED panel test) 2. System board 180-xxx-002 1. Diagnostics panel (Failed diagnostics LED panel test) 2. System board 180-xxx-003 v System board (Failed system board LED test) xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
Page 147
Note: See “System” on page 160 to determine which components should be replaced by a field service technician. Error code/symptom FRU/action 180-xxx-005 1. SCSI backplane (Failed SCSI backplane LED test) 2. SCSI backplane cable 3. System board 201-xxx-0nn 1. DIMM Location slots 1-12 where nn = DIMM location. (Failed memory test.) Note: nn 1=DIMM 1;...
You can use the error symptom table to find solutions to problems that have definite symptoms. If you cannot find the problem in the error symptom charts, go to “Starting the diagnostic programs” on page 29 to test the server. xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
Page 149
If you have just added new software or a new option and your server is not working, do the following before using the error symptom charts: v Remove the software or device that you just added. v Run the diagnostic tests to determine if your server is running correctly. v Reinstall the new software or new device.
Page 150
Ensure that the SCSI bus and devices are configured correctly and that the last external device in each SCSI chain is terminated correctly. 2. Check the system error log. xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
Page 151
Note: See “System” on page 160 to determine which components should be replaced by a field service technician. Keyboard, mouse, or pointing-device problems Symptom FRU/action All or some keys on the 1. Verify that: keyboard do not work. v The keyboard cable is securely connected to the system, and the keyboard and mouse cables are not reversed.
Page 152
An enhanced monitor cable with additional shielding is available for the 9521 and 9527 monitors. For information about the enhanced monitor cable, contact your IBM reseller or IBM marketing representative. 2. Video adapter, if installed. 3. System board. xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
Page 153
Whenever memory or an option is changed, you must update the configuration. 2. Option you just installed. An IBM option that used to work 1. Verify that all of the option hardware and cable connections are secure. does not work now.
Page 154
The serial port is enabled and is assigned a unique address. page 112. v The device is connected to the correct port (see “Input/output connectors” on page 108). 2. Failing serial device. 3. Serial adapter, if installed. 4. System board. xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
Note: See “System” on page 160 to determine which components should be replaced by a field service technician. Software problem Symptom FRU/action Suspected software problem. 1. To determine if problems are caused by the software, verify that: v Your server has the minimum memory needed to use the software. For memory requirements, see the information that comes with the software.
1. Failing adapter. (Adapter read-only memory error) 2. Run diagnostics. 1. Microprocessor (Internal cache error) 2. Optional microprocessor (if installed) 1. Run diagnostics. (Real time clock error) 2. Battery. 3. System board. xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
Page 157
Note: See “System” on page 160 to determine which components should be replaced by a field service technician. Error code/symptom FRU/action 1. Run the Configuration/Setup Utility program. (Real time clock battery error) 2. Battery. 3. System board. 1. Run the Configuration/Setup Utility program. (Device configuration error) 2.
Page 158
3. System board. 11XX 1. Disconnect the external cable on the serial port. (System board serial port 1 or 2 error) 2. Run the Configuration/Setup Utility program. 3. System board. xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
Page 159
Note: See “System” on page 160 to determine which components should be replaced by a field service technician. Error code/symptom FRU/action 1301 1. Cable C cable to front panel not found) 2. Front panel 3. Power switch assembly 4. System board 1302 1.
Page 160
00019701 1. Microprocessor 1 (Microprocessor 1 failed) 2. System board 00019702 1. Microprocessor 2 (Microprocessor 2 failed) 2. System board 00019703 1. Microprocessor 3 (Microprocessor 3 failed) 2. System board xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
Page 161
Note: See “System” on page 160 to determine which components should be replaced by a field service technician. Error code/symptom FRU/action 00019704 1. Microprocessor 4 (Microprocessor 4 failed) 2. System board 00151700 (Hot Spare Memory copy 1. Run diagnostics. started) 2.
Page 162
1. Install an operating system on the hard disk. (Hard disk sector error, no operating system installed) I9990650 1. Check cable. (AC power has been restored) 2. Check for interruption of power. 3. Power cable. xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
Service processor error codes Service processor error codes in the POST error log will appear in hexadecimal form (generally beginning with A2, A3, A4, A5, A6, A7, AD, AE, or E1). These error codes will appear in text format when viewed from the System Error Log through the diagnostic programs.
3.3 V power supply x had an error) Power supply x 5 V fault (level-critical; 5 V v See “Power checkout” on page 35. power supply x had an error) xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
Note: See “System” on page 160 to determine which components should be replaced by a field service technician. Message Action System running non-redundant power 1. Add another power supply. (level-noncritical; system does not have 2. Remove options from system. redundant power) 3.
4. System board. Failure reading I2C device. 1. Reseat the cable between the operator information panel and Check devices on bus 1. system board (J46). 2. Operator information panel. 3. System board. xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
(turn on the server and reconfigure each time): v Any external devices v Surge suppressor device (on the server) v Modem, printer, mouse, or non-IBM devices v Each adapter v Drives v Memory modules (minimum requirement = 256 MB (2 banks of 128 MB...
7. Have the same configuration options set in the system 8. Have the same setup for the operation system control files Comparing the configuration and software set-up between ″working″ and ″non-working″ systems will often lead to problem resolution. xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
Power cord CRUs 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 174
Islands, Colombia, Costa Rica, Dominican Republic, Ecuador, El Salvador, Guatemala, Guyana, Haiti, Honduras, Jamaica, Japan, Korea (South), Liberia, Mexico, Netherlands Antilles, Nicaragua, Panama, Peru, Philippines, Saudi Arabia, Suriname, Taiwan, Trinidad (West Indies), United States of America, Venezuela xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
If you need help, service, or technical assistance or just want more information about IBM products, you will find a wide variety of sources available from IBM to assist you. This appendix contains information about where to go for additional information about IBM and IBM products, what to do if you experience a problem ®...
Setting up e-mail notification of technical updates about your products Software service and support Through IBM Support Line, you can get telephone assistance, for a fee, with usage, configuration, and software problems with xSeries servers, IntelliStation workstations, and appliances. For information about which products are supported by Support Line in your country or region, go to http://www.ibm.com/services/sl/products/.
Safety information The following section contains the safety information that you need to be familiar with before servicing an IBM computer. General safety Follow these rules to ensure general safety: v Observe good housekeeping in the area of the machines during and after maintenance.
Regularly inspect and maintain your electrical hand tools for safe operational condition. v Do not use worn or broken tools and testers. v Never assume that power has been disconnected from a circuit. First, check that it has been powered-off. xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
The power cord should be the appropriate type as specified in the parts listings. c. 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. Appendix B. Related service information...
Safety notices (multilingual translations) The caution and danger safety notices in this section are provided in the following languages: v English v Brazilian/Portuguese v Chinese v French v German xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
Page 181
Japanese v Korean v Spanish Important: All caution and danger statements in this IBM documentation begin with a number. This number is used to cross reference an English caution or danger statement with translated versions of the caution or danger statement in this section.
Page 182
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 183
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. The device also might have more than one power cord.
Page 184
Statement 10 CAUTION: Do not place any object weighing more than 82 kg (180 lbs.) on top of rack-mounted devices. xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
Page 185
Importante: Todas as instruções de cuidado e perigo da IBM documentation 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 186
Aqueça a mais de 100°C (212°F) v Conserte nem desmonte Para descartar a bateria, entre em contato com a área de atendimento a clientes IBM, pelo telefone (011) 889-8986, para obter informações sobre como enviar a bateria pelo correio para a IBM.
Page 187
Níveis perigosos de voltagem, corrente e energia estão presentes em qualquer componente que tenha esta etiqueta afixada. Nenhuma peça localizada no interior desses componentes pode ser consertada. Se você suspeitar de algum problema em alguma dessas peças, entre em contato com um técnico IBM. Appendix B. Related service information...
Page 188
Instrução 10 CUIDADO: Não coloque nenhum objeto com peso superior a 82 kg (180 lbs.) sobre dispositivos montados em rack. xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
Page 189
Appendix B. Related service information...
Page 190
255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
Page 191
Appendix B. Related service information...
Page 192
255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
Page 193
Appendix B. Related service information...
Page 194
255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
Page 195
Appendix B. Related service information...
Page 196
255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
Page 197
Important: Toutes les consignes Attention et Danger indiquées dans la bibliothèque IBM documentation 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 198
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...
Page 199
Notice n° 4 ≥18 kg (39.7 lb) ≥32 kg (70.5 lb) ≥55 kg (121.2 lb) 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 l’intérieur de la machine.
Page 200
Notice n° 10 ATTENTION: Ne posez pas d’objet dont le poids dépasse 82 kg sur les unités montées en armoire. xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
Page 201
Wichtig: Alle Sicherheitshinweise in dieser IBM documentation 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...
Page 202
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.
Page 203
In Komponenten, die so gekennzeichnet sind, können gefährliche Spannungen anliegen. In diesen Komponenten sind keine Teile vorhanden, die vom Benutzer gewartet werden müssen. Besteht der Verdacht, dass an einem dieser Teile ein Fehler aufgetreten ist, ist ein IBM Kundendiensttechniker zu verständigen. Appendix B. Related service information...
Page 204
Hinweis 10 ACHTUNG: Keine Gegenstände, die mehr als 82 kg wiegen, auf Rack-Einheiten ablegen. xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
Page 205
Importante: Tutti gli avvisi di attenzione e di pericolo riportati nella pubblicazione IBM documentation 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.
Page 206
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 207
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. L’unità potrebbe disporre di più...
Page 208
Avviso 10 ATTENZIONE: Non poggiare oggetti che pesano più di 82 kg sulla parte superiore delle unità montate in rack. xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
Page 209
Appendix B. Related service information...
Page 210
255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
Page 211
Appendix B. Related service information...
Page 212
255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
Page 213
Appendix B. Related service information...
Page 214
255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
Page 215
Importante: Todas las declaraciones de precauciín de esta IBM documentation 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.
Page 216
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 217
Declaración 4 ≥18 kg ≥32 kg ≥55 kg PRECAUCIÓN: Tome medidas de seguridad al levantar el producto. Declaración 5 PRECAUCIÓN: El botín de control de alimentaciín del dispositivo y el interruptor de alimentaciín de la fuente de alimentaciín no apagan la corriente eléctrica suministrada al dispositivo. Es posible también que el dispositivo tenga más de un cable de alimentaciín.
Page 218
Declaración 10 PRECAUCIÓN: No coloque ningún objeto que pese más de 82 kg (180 libras) encima de los dispositivos montados en bastidor. xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
Web sites. The materials at those Web sites are not part of the materials for this IBM product, and use of those Web sites is at your own risk. IBM may use or distribute any of the information you supply in any way it believes appropriate without incurring any obligation to you.
Predictive Failure Analysis Lotus, Lotus Notes, SmartSuite, and Domino are trademarks of Lotus Development Corporation and/or IBM Corporation in the United States, other countries, or both. ActionMedia, LANDesk, MMX, Pentium, and ProShare are trademarks of Intel Corporation in the United States, other countries, or both.
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.
Properly shielded and grounded cables and connectors must be used in order to meet FCC emission limits. 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 causedby using other than recommended cables and connectors or by using other than recommended cables and connectors or by unauthorized changes or modifications to this equipment.
This product has been tested and found to comply with the limits for Class A Information Technology Equipment according to CISPR 22/European Standard EN 55022. The limits for Class A equipment were derived for commercial and industrial environments to provide reasonable protection against interference with licensed communication equipment.
Page 224
255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide...
Page 226
Part Number: 24P2936 (1P) P/N: 24P2936...
Need help?
Do you have a question about the XSERIES 255 TYPE 8685 and is the answer not in the manual?
Questions and answers