IBM xSeries 380, Hardware Maintenance Manual

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Diagnostics
17
Make sure the system configuration is not
corrupted. Run the CMOS Validity test on the System
menu.
Make sure the PCI adapter slots are
functioning correctly. Run the PCI system test on the System menu.
Memory Problems
Random memory (or performance) problems
occur but BIOS POST did not find any
memory problems. Run the Pattern test, the Random Pattern Test
and the Cache Memory test on the Memory
menu.
The BIOS finds memory errors or memory
problems occur constantly. Run the Walking 1s test on the Memory
menu.
Intermittent cache memory problems. Run the Cache Memory test on the Memory
menu.
Identify and report data corruption because
of hardware parity problems. Run the Parity test on the Memory menu.
Identify shorts on data lines and data bits
stuck at 0. Run the Walking 0s test on the Memory
menu.
Keyboard Problems
Make sure the keyboard interface works. Run the Keyboard Controller test on the
Keyboard Menu.
Make sure each keyboard key sends the
correct signal to the computer. Run the Scan/ASCII Code test on the
Keyboard Menu.
Make sure the keyboard LEDs work. Run the Keyboard LED test on the Keyboard
Menu.
SCSI Drive Problems
Make sure that the SCSI drive is reading
correctly. Run the SCSI Disk Read test on the SCSI
menu.
Make sure that the SCSI drive is writing
correctly. Run the SCSI Disk Write test on the SCSI
menu.
Make sure that the SCSI tape drive is reading
correctly. Run the SCSI Tape Read test on the SCSI
menu.
Make sure that the SCSI tape drive is writing
correctly. Run the SCSI Tape Write test on the SCSI
menu.
Rewind the tape cartridge in the SCSI tape
drive. Run the SCSI Tape Rewind test on the SCSI
menu.
Processor Problems