HP OmniBook 900 Service Manual page 65

Code Suggestions
0180h For 01FFFFFFh (OB900†) or 03FFFFFFh
(OB900B) and below, replace the motherboard.
Above that, replace the RAM board (each
01000000h represents 16MB).
0181h Replace the CPU module.
0182h Unload HIMEM.SYS or 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 or swap RAM boards. Replace the
CPU module, replace the motherboard.
0190h - For 01FFFFFFh (OB900†) or 03FFFFFFh
01A0h (OB900B) and below, replace the motherboard.
Above that, replace the RAM board (each
01000000h represents 16MB).
01A1h - Replace the CPU module.
01A4h
01B1h – For 01FFFFFFh (OB900†) or 03FFFFFFh
01B3h (OB900B) and below, replace the motherboard.
Above that, replace the RAM board (each
01000000h represents 16MB).
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.
0252h - Rerun the test. Run SCANDISK or equivalent.
0254h
025Ah - Rerun the test. If error persists, replace the
0260h hard disk.
0265h Check internal and external hard disk
connectors and motherboard connector.
Replace the hard disk. Replace the
motherboard.
0275h Replace the hard disk.
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.
HP OmniBook 900
Code Suggestions
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.
02F5h If necessary, recreate the Hibernate partition,
then run FDISK to partition the hard disk.
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.
9602h - (See Hard Disk Tests at the end of the table.)
9607h
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.
0341h Replace the floppy drive. Replace the
motherboard.
0342h - Run BIOS Setup and check the floppy drive
0344h type. Replace the floppy drive.
0345h Replace the motherboard.
0347h Run BIOS Setup and check the floppy drive
type. Check the connectors on the floppy drive
and motherboard. Replace the floppy drive.
0348h - Transient DMA error. Rerun the test.
0349h
0350h Rerun the test with another floppy disk.
Replace the floppy drive.
0360h 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