Compaq AP200 Maintenance And Service Manual page 62

4-4 Diagnostic Tools
POST Messages
Message
203-Memory Address
Error
205-Memory Error
206-Secondary cache
controller failure
207-ECC Failure
210-Invalid Memory
Configuration Detected.
Maximum of 1 Gbyte of
Memory Supported. System
Halted.
212-Failed Processor
213-Incompatible DIMM
Module
301-Keyboard Error
301-Keyboard Error or
Test Fixture Installed
303-Keyboard Controller
Error
304-Keyboard or System
Unit Error
40X-Parallel Port X Address
Conflict
402-Monochrome
Adapter Failure
404-Parallel Port Address
Conflict Detected
501-Display Adapter Failure 1L, 2S
*L = Long, S = Short
Continued
Beeps* Probable Cause
None RAM failure
None Cache memory error (Processor
cache)
None Cache memory controller or RAM
failure
2S Single Bit ECC error
None Too much memory installed
1L Processor has failed to initialize
2S A DIMM module in DIMM socket
identified in the error message is
missing critical SPD information
or is incompatible with the
chipset.
None Keyboard failure
None Keyboard failure
None I/O board keyboard controller
None Keyboard failure
2S Port address conflict.
1L, 2S Monochrome display controller
2S Both external and internal ports
are assigned to parallel port X
Video display controller
Recommended Action
1. Be sure memory module(s) are
installed properly.
2. Replace the DIMMS.
3. Replace the system board.
Run the Setup and Diagnostics
utilities.
Run the Setup and Diagnostics
utilities.
Replace DIMM if error persists.
Reduce memory installed by
removing DIMMs.
Replace the processor and/or
the Processor Power Module.
Replace the DIMM with a
module conforming to the SPD
standard.
Reconnect keyboard with
computer turned off.
Replace the keyboard.
1. Reconnect keyboard with
computer turned off.
2. Replace the system board.
1. Reconnect the keyboard with
computer turned on.
2. Replace the keyboard.
3. Replace the system board.
Run Computer Setup or
Windows NT utilities.
Replace the monochrome
display controller.
Run Computer Setup or
Windows NT utilities.
Replace the graphics controller.
Continued