Power-On Self-Test Messages - Compaq DESKPRO 2000 SERIES Maintenance & Service Manual

2.2.1 Power-On Self-Test Messages

An error message results if the Power-On Self-Test encounters a problem. This test runs when the
system is turned on, checking assemblies within the computer and reporting any errors it finds.
Message
101-ROM Error
101-Option ROM
Checksum Error
102-System Board Failure None
162-System Options Error 2S
162-System Options
Not Set
163-Time & Date
Not Set
164-Memory Size Error
201-Memory Error
202-Memory Type
Mismatch
203-Memory Address
Error
205-Memory Error
207-ECC Corrected Single
Bit Errors in DIMM/SIMM
Pair(s) X, Y, Z
*L = Long, S = Short
2-4 Troubleshooting
Power-On Self-Test Messages
Beeps* Probable Cause
1L,1S System ROM
checksum.
1L, 1S Option ROM
checksum.
DMA, timers, etc.
No diskette drive or
mismatch in drive type.
2S Configuration incorrect.
2S Invalid time or date in
configuration memory
2S Configuration memory incorrect. Run Computer Setup.
None RAM failure.
2S One FPM SIMM and one EDO
SIMM installed in the same
bank.
None RAM failure.
None Cache memory error.
2S Memory error detected and
corrected in SIMMs X, Y, Z
Table 2-1
Recommended Action
Replace the system board.
Replace the system board..
Replace the system board.
Run Computer Setup.
Run Computer Setup.
Run Computer Setup.
1. Run Computer Setup.
2. Replace memory module(s) as required.
3. Replace system board.
Populate the memory bank with two EDO SIMMs or two
FPM SIMMs. EDO SIMMS cannot be mixed with FPM SIMMs.
1. Run Computer Setup.
2. Replace memory module(s) as required.
3. Replace system board.
1. Run the Configuration and Diagnostics utilities.
2. Replace cache.
1. Swap one DIMM/SIMM from defective bank with good
DIMM/SIMM. Replace DIMM/SIMM that the error message
follows.
2. Replace system board.
Continued