IBM IntelliStation M Pro 6233 Hardware Maintenance Manual page 94

Beep/Symptom
1-3-1
(1st 64K RAM test failed)
1-3-2
(1st 64K RAM parity test failed)
1-4-3
(Interrupt vector loading test failed)
2-1-1
(Secondary DMA register failed)
2-1-2
(Primary DMA register failed)
2-1-3
(Primary interrupt mask register failed)
2-1-4
(Secondary interrupt mask register failed)
2-2-1
(Interrupt vector loading failed)
2-2-2
(Keyboard controller failed)
2-2-3
(CMOS power failure and checksum checks failed)
2-2-4
(CMOS configuration info validation failed)
2-3-1
(Screen initialization failed)
2-3-2
(Screen memory failed)
2-3-3
(Screen retrace failed)
2-3-4
(Search for video ROM failed)
2-4-1
(Video failed, screen believed operable)
3-1-1
(Timer tick interrupt failed)
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Hardware Maintenance Manual: IBM IntelliStation M Pro Type 6233 and 6850
FRU/Action
1. DIMM
2. System Board
1. DIMM
2. Processor
3. System Board
1. System Board
1. System Board
1. System Board
1. System Board
1. System Board
1. System Board
1. System Board
2. Keyboard
1. Battery
2. System board
1. Battery
2. System board
1. Jumper on J28
2. System Board
1. System board
1. System board
1. System board
1. System board
1. System Board