Figure 3-3. Serial And Parallel Loopback Connectors; Table 3-3. Omnibook Diagnostic Error Codes - HP OMNIBOOK 2100 Service Manual

12. Optional: Check the log.
disk using Notepad or other text editor. It contains a hardware summary and a list of all test
results and errors.
Note that the serial and parallel port tests are more thorough if you connect a loopback connector to
the port before running the test for that port. See the wiring diagrams below.
Interpreting the Results
The following table lists test groups, error codes, and suggestions for followup actions. Consider
these suggestions in combination with other troubleshooting information.
Code Suggestions
System Tests
0001h - Reseat or replace the CPU module.
0008h
0009h Replace the motherboard.
0010h - Reseat or replace the CPU module.
002Fh
0030h - Replace the motherboard.
0040h
0041h Unrecognized interrupts. Run BIOS Setup and
check IRQ assignments for all devices.
0050h - Replace the motherboard.
0070h
0071h Bad CMOS checksum. Reset the system, then
run BIOS Setup and check settings. Replace
motherboard.
0072h Configuration mismatch in CMOS. Reset the
system, then run BIOS Setup and check
settings. Replace motherboard.
0073h Bad CMOS RAM size. Reset the system, then
run BIOS Setup and check settings. Replace
motherboard.
0074h Bad CMOS time. Reset the system, then run
BIOS Setup and check settings. Replace
motherboard.
0075h - Reset the system. Replace the motherboard.
0076h
0077h Replace the motherboard.
0078h Bad CMOS checksum. Reset the system, then
run BIOS Setup and check settings. Replace
motherboard.
3-14 Troubleshooting and Diagnostics
On any computer, open the HPSUPPT.TXT log file on the diagnostic

Figure 3-3. Serial and Parallel Loopback Connectors

Table 3-3. OmniBook Diagnostic Error Codes

These connections
are not used.
Diodes are 1N4004 or equivalent
(I =1A, V
F
0079h Replace the motherboard.
0083h - Replace the system BIOS IC. Replace the
0086h motherboard.
0087h Replace the motherboard.
0088h Replace the system BIOS IC.
0090h - Replace the system BIOS IC. Replace the
009Eh motherboard.
009Fh Insufficient DOS memory. Load fewer device
drivers.
00A0h No repair. (ESCD not supported.)
00A1h Replace the system BIOS IC. Replace the
motherboard.
00A2h - No repair. (ESCD not supported.)
00A3h
00A4h Replace the system BIOS IC.
00A5h - No repair. (ESCD not supported.)
00A6h
00A7h Replace the system BIOS IC. Replace the
motherboard.
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 system BIOS IC.
HP OmniBook 2100/3000/3100
=1V@1A, V =30-400V)
F R