IBM IntelliStation 6866, Hardware Maintenance Manual, Page: 73 / 148

Symptom-to-FRU index
65
Beep Symptom FRU/Action
1-1-3 CMOS read-write error 1. Run Setup
2. System Board
1-1-4 ROM BIOS check error 1. System Board
1-2-X DMA error 1. System Board
1-3-X 1. Memory Module
2. C-RIMM
3. System Board
1-4-4 1. Keyboard
2. System Board
1-4-X Error 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-X First 64 KB of RAM failed 1. Memory Module
2. System Board
2-2-2 1. Video Adapter (if installed)
2. System Board
2-2-X First 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
3-1-X DMA register failed 1. System Board
3-2-4 Keyboard controller failed 1. System Board
2. Keyboard
3-3-4 Screen initialization failed 1. Video Adapter (if installed)
2. System Board
3. Display
3-4-1 Screen retrace test detected an error 1. Video Adapter (if installed)
2. System Board
3. Display
3-4-2 POST is searching for video ROM 1. Video Adapter (if installed)
2. System Board
4 1. Video Adapter (if installed)
2. System Board
All other beep code sequences 1. System Board