Compaq Service Reference Guide D-1
appendix
D
POST E
RROR
M
ESSAGES
An error message results if the Power-On Self-Test (POST) encounters a problem. This test runs
when the system is turned on, checking assemblies within the computer and reporting any errors
found.
Screen Message Beeps* Probable Cause Recommended Action
101-Option ROM Error 1L, 1S System ROM checksum. 1. Verify the correct ROM.
2. Flash the ROM if needed.
3. If an expansion card was
recently added, remove it and
see if the problem remains.
4. Clear CMOS.
5. If the message disappears,
there may be a problem with the
expansion card.
6. Replace the system board.
102-System Board
Failure
None DMA, timers, etc. 1. Clear CMOS.
2. Remove expansion boards.
3. Replace the system board.
103-System Board Failure None DMA, timers, etc. 1. Clear CMOS.
2. Remove expansion boards.
3. Replace the system board.
150-SafePost Active None A PCI expansion card is not
responding.
1. Restart the computer.
2. Disable SafePost.
3. If the expansion card does not
respond, replace the card.
162-System Options
Not Set
2S Configuration incorrect.
RTC (real-time clock)
battery may need to be
replaced. Battery life is
approximately 3 years.
Run Computer Setup (F10 Setup)
Set the date and time under Control
Panel or in F10 Setup depending
on the operating system.
If the problem persists, replace the
RTC battery.
* L = Long, S = Short
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