Chapter 5. Error Messages And Codes - Compaq Contura 400 Maintenance And Service Manual

Chapter 5. Error Messages and Codes

Introduction
This chapter provides tables covering possible errors messages for the
Power-On Self-Test (POST) and the Computer Checkup (TEST) diagnostics.
Chapter 5.1 Power-On Self-Test (POST)
POST error messages occur when problems are discovered during POST.
5-1 lists visual error messages for POST, audible (beep) error messages,
probable causes, and recommended actions.
Table 5-1. Power-On Self-Test Messages
===========================================================================
Message Beeps
===========================================================================
101 - ROM 1 Long,
Error 1 Short
---------------------------------------------------------------------------
101 - I/0 None
ROM Error
---------------------------------------------------------------------------
102 - System None
Board
Failure
---------------------------------------------------------------------------
162 - System 2 Short
Options
Error
---------------------------------------------------------------------------
162 - System 2 Short
Options Not
Set
---------------------------------------------------------------------------
163 - Time & 2 Short
Date Not Set
---------------------------------------------------------------------------
164 - Memory 2 Short
Increase
Detected
164 - Memory 2 Short
Decrease
Detected
Probable Cause
System ROM
checksum
Option ROM
checksum
DMA, timers,
etc. Unsupported
processor
upgrade installed
No diskette drive
or mismatch in
drive type
Configuration
incorrect
Invalid time or
date in
configuration
memory
Configuration
memory incorrect
Configuration
memory incorrect
Recommended Action
1. Inspect the ROM
placement.
2. Replace the ROM.
3. Flash the ROM.
4. Replace the system board.
1. Inspect the ROM
placement.
2. Verify the correct ROM.
3. Replace the ROM.
1. Replace the processor
board.
2. Replace the system board.
1. Run Computer Setup.
2. Check diskette cable.
3. Check diskette drive.
Run Computer Setup.
Run Computer Setup.
The following steps apply to
164 Memory Increase Detected
and 164 Memory Decrease
Detected error messages:
1. Autosetup will correct.
2. Verify that memory board
is installed correctly.
3. Replace memory board.
4. Replace system board.
Table