Compaq Deskpro 4000N - Page 159

Compaq Deskpro 4000S and 4000N Personal Computers E-1
appendix
E
POST E
RROR
M
ESSAGES
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 found.
Table 5-1
Power-On Self-Test Messages
Message Beeps* Probable Cause Recommended Action
101-ROM Error 1L, 1S System ROM checksum.
1. Flash the ROM.
2. Replace the system board.
101-Option ROM Checksum
Error
1L, 1S Option ROM checksum. Replace the system board.
162-System Options
Not Set
2S Configuration incorrect. Run Computer Setup or Windows NT or
Windows 95 utilities.
163-Time & Date
Not Set
2S Invalid time or date in configuration
memory
Set the date and time under Control Panel.
164-Memory Size Error 2S Memory configuration incorrect. Run Computer Setup or Windows NT or
Windows 95 utilities.
201-Memory Error None RAM failure.
1. Run Computer Setup or Windows NT or
Windows 95 utilities.
2. Replace the memory module(s) (if any).
3. Replace system board.
203-Memory Address
Error
None RAM failure.
1. Run Computer Setup or Windows NT or
Windows 95 utilities.
2. Replace the memory module(s) (if any).
3. Replace system board.
205-Memory Error None Cache memory error (processor cache). Run the Configuration and Diagnostics
utilities.
206-Secondary cache
controller failure
None Cache memory controller or RAM
failure.
Run the Configuration and Diagnostics
utilities.
207-ECC corrected single bit
error
2S Single Bit ECC error Replace DIMM if error persists.
* L = Long, S = Short
Continued