IBM XSERIES 255 TYPE 8685, Hardware Maintenance Manual And Troubleshooting Manual

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Note: See “System” on page 160 to determine which components should be replaced by a field service technician.
Error code/symptom FRU/action
262
(DRAM parity configuration error)
1. Run the Configuration/Setup Utility program.
2. Battery.
3. System board.
289
(DIMM disabled by POST or user)
1. Run the Configuration/Setup Utility program, if the DIMM was
disabled by the user.
2. Disabled DIMM, if not disabled by user.
301
(Keyboard or keyboard controller error)
Note: After installing a USB keyboard,
you might need to use the
Configuration/Setup Utility to enable
keyboardless operation and prevent the
POST error message 301 from being
displayed during startup.
1. Keyboard
2. System board
303
(Keyboard controller error)
v
System board
602
(Invalid diskette boot record)
1. Diskette
2. Diskette drive
3. Cable
4. System board
604
(Diskette drive error)
1. Run the Configuration/Setup Utility program and diagnostics.
2. Diskette drive.
3. Drive cable.
4. System board.
605
(Unlock failure)
1. Diskette drive
2. Drive cable
3. System board
662
(Diskette drive configuration error)
1. Run the Configuration/Setup Utility program and diagnostics.
2. Diskette drive.
3. Drive cable.
4. System board.
762
(Coprocessor configuration error)
1. Run the Configuration/Setup Utility program.
2. Battery.
3. Microprocessor.
962
(Parallel port error)
1. Disconnect the external cable on the parallel port.
2. Run the Configuration/Setup Utility program.
3. System board.
11XX
(System board serial port 1 or 2 error)
1. Disconnect the external cable on the serial port.
2. Run the Configuration/Setup Utility program.
3. System board.
148
xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide