HP OmniBook 900 Service Manual page 61

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00A2h - No repair. (ESCD not supported.)
00A3h
00A4h Replace the BIOS IC.
00A5h - No repair. (ESCD not supported.)
00A6h
00A7h Replace the BIOS IC. Replace the
motherboard.
00C0h - Replace the CPU module.
00CCh
00FFh Rerun the test. (Possible diagnostic
programming error.)
Memory Tests
The addresses below are absolute (32-bit) address. These
addresses are not in the segment:offset format.
0100h - Replace the motherboard.
0101h
0102h Replace the BIOS IC.
0120h - For 01FFFFFFh and below, replace the
0150h motherboard. Above that, replace the RAM
board (each 01000000h represents 16MB).
0160h Address bus short. Remove any RAM board
and rerun the test. Check the CPU module for
shorts. Replace the motherboard.
0170h - Replace the motherboard.
0172h
0180h For 01FFFFFFh and below, replace the
motherboard. Above that, replace the RAM
board (each 01000000h represents 16MB).
0181h Replace the CPU module.
0182h Make sure that another application is not using
all extended memory allocated by
HIMEM.SYS.
0183h No extended memory. Check installation of any
RAM board. Replace the motherboard.
0184h Remove any RAM board. Replace the CPU
module, replace the motherboard.
0190h - For 01FFFFFFh and below, replace the
01A0h motherboard. Above that, replace the RAM
board (each 01000000h represents 16MB).
01A1h - Replace the CPU module.
01A4h
Hard Disk Tests
0201h Replace the hard disk. Replace the
motherboard.
0202h - Rerun the test. If error persists, replace the
0204h hard disk.
0205h Replace the motherboard.
0207h Run BIOS Setup and check the hard disk type.
Check internal and external hard disk
connectors and motherboard connector.
Replace the hard disk.
0208h - Transient DMA error. Rerun the test.
0209h
020Ah - Rerun the test. Run SCANDISK or equivalent.
0211h
0220h Replace the motherboard.
0240h Replace the hard disk. Replace the
motherboard.
HP OmniBook 900
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0280h Check internal and external hard disk
connectors and motherboard connector.
Replace the hard disk.
0281h Replace the hard disk.
0290h Rerun the test. If the error persists, replace the
hard disk.
0293h - Replace the hard disk.
0296h
02AAh Check internal and external hard disk
connectors and motherboard connector.
Replace the hard disk.
02CCh Run BIOS Setup and check the hard disk type.
Replace the hard disk or the motherboard.
02EEh For the performance test, run BIOS Setup and
temporarily select a drive type that has more
than 200 cylinders.
02F1h Recreate the Hibernate partition, then run
FDISK to partition the hard disk.
02F2h Run FDISK to make one partition active. If
necessary, recreate the Hibernate partition,
then run FDISK to partition the hard disk.
02F3h Run FDISK to check for overlapping partitions.
If necessary, recreate the Hibernate partition,
then run FDISK to partition the hard disk.
02F4h Check for the presence of a boot sector virus.
If necessary, recreate the Hibernate partition,
then run FDISK to partition the hard disk.
02F5h Reformat the partition.
02F6h Recreate the Hibernate partition, then run
FDISK to partition the hard disk.
02FFh Check internal and external hard disk
connectors and motherboard connector.
Replace the hard disk. Replace the
motherboard.
Floppy Disk Tests
0301h Replace the floppy drive. Replace the
motherboard.
0302h Run BIOS Setup and check the floppy drive
type. Replace the floppy drive.
0303h Insert a floppy disk without write protection.
0304h Run BIOS Setup and check the floppy drive
type. Replace the floppy drive.
0305h Replace the motherboard.
0307h Run BIOS Setup and check the floppy drive
type. Check the connectors on the floppy drive,
external module bay, and motherboard.
Replace the floppy drive.
0308h - Transient DMA error. Rerun the test.
0309h
030Ah - Rerun the test with a good floppy disk. Replace
0310h the floppy drive.
0311h Rerun the test with another floppy disk.
0321h - Replace the floppy drive.
0322h
0340h Replace the motherboard.
0380h - Make sure the floppy disk is fully inserted.
03AAh Check the connectors on the floppy drive,
external module bay, and motherboard.
Replace the floppy drive.
Troubleshooting and Diagnostics 3-15