IBM 6648 Personal Computer User Manual


 
Beeps Description
1-2-X
v One beep
v A pause (or break)
v Two beeps
v A pause (or break)
v Any number of breaks
4 Four continuous beeps
Use the following table to diagnose beep symptoms.
Beep Symptom FRU/Action
1-1-3CMOS read-write error
1. Run Setup
2. System Board
1-1-4ROM BIOS check error
1. System Board
1-2-XDMA error
1. System Board
1-3-X
1. Memory Module
2. System Board
1-4-4
1. Keyboard
2. System Board
1-4-XError detected in first 64 KB of RAM
1. Memory Module
2. System Board
2-1-1, 2-1-2
1. Run Setup
2. System Board
2-1-XFirst 64 KB of RAM failed
1. Memory Module
2. System Board
2-2-2
1. Video Adapter (if installed)
2. System Board
2-2-XFirst 64 KB of RAM failed
1. Memory Module
2. System Board
2-3-X
1. Memory Module
2. System Board
2-4-X
1. Run Setup
2. Memory Module
3. System Board
Chapter 3. Types 6058/6059/6269/6578/6579 151