Post Messages - Compaq AP500 Maintenance And Service Manual

POST Messages

An error message results if POST encounters a problem. This test runs when the system is turned
on, checking assemblies within the workstation and reporting any errors detected.
Message
101-ROM Error
101-Option ROM Checksum
Error
102-System Board Failure
162-System Options Error
162-System Options Not Set 2S
163-Time & Date Not Set
164-Memory Size Error
172-1 Configuration
Nonvolatile Memory Invalid
201-Memory Error
202-Memory Type
Mismatch
203-Memory Address Error
205-Memory Error
Table 4-1
POST Messages
Beeps* Probable Cause
1L, 1S System ROM checksum
1L, 1S Option ROM checksum
None DMA, timers, and so on.
2S No diskette drive or mismatch in
drive type
Configuration incorrect
2S Invalid time or date in
configuration memory
2S Memory configuration incorrect
None NVRAM configuration error
None RAM failure
None Invalid memory configuration
None RAM failure
None Cache memory error
Compaq Professional Workstation AP500 Maintenance and Service Guide
Recommended Action
Replace the system board.
1. Verify the correct system ROM.
2. Flash the system ROM to the latest
revision, if required.
3. Contact Compaq technical support.
Replace the Expansion Cage System
Board. Run the Computer Setup utility.
Run Computer Setup or Windows NT
utilities.
Run Computer Setup or Windows NT
utilities.
Run Computer Setup or Windows NT
utilities.
Run Computer Setup or Windows NT
utilities.
Allow system to completely boot.
Reboot.
1. Run Computer Setup or Windows NT
utilities.
2. Replace the DIMMs.
1. Run Computer Setup or Windows NT
utilities.
2. Replace the DIMMs.
1. Run Computer Setup or Windows NT
utilities.
2. Replace the DIMMS.
3. Replace the system board.
Run the Computer Checkup or
Diagnostics utilities.
4-3
Continued