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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. Table
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
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Message Beeps Probable Cause Recommended Action
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101 - ROM 1 Long, System ROM 1. Inspect the ROM
Error 1 Short checksum placement.
2. Replace the ROM.
3. Flash the ROM.
4. Replace the system board.
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101 - I/0 None Option ROM 1. Inspect the ROM
ROM Error checksum placement.
2. Verify the correct ROM.
3. Replace the ROM.
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102 - System None DMA, timers, 1. Replace the processor
Board etc. Unsupported board.
Failure processor 2. Replace the system board.
upgrade installed
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162 - System 2 Short No diskette drive 1. Run Computer Setup.
Options or mismatch in 2. Check diskette cable.
Error drive type 3. Check diskette drive.
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162 - System 2 Short Configuration Run Computer Setup.
Options Not incorrect
Set
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163 - Time & 2 Short Invalid time or Run Computer Setup.
Date Not Set date in
configuration
memory
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164 - Memory 2 Short Configuration The following steps apply to
Increase memory incorrect 164 Memory Increase Detected
Detected and 164 Memory Decrease
Detected error messages:
164 - Memory 2 Short Configuration
Decrease memory incorrect 1. Autosetup will correct.
Detected 2. Verify that memory board
is installed correctly.
3. Replace memory board.
4. Replace system board.