IBM IntelliStation M Pro 6233, Hardware Maintenance Manual

Page: 94 / 156

Beep/Symptom FRU/Action
1-3-1
(1st 64K RAM test failed)
1. DIMM
2. System Board
1-3-2
(1st 64K RAM parity test failed)
1. DIMM
2. Processor
3. System Board
1-4-3
(Interrupt vector loading test failed)
1. System Board
2-1-1
(Secondary DMA register failed)
1. System Board
2-1-2
(Primary DMA register failed)
1. System Board
2-1-3
(Primary interrupt mask register failed)
1. System Board
2-1-4
(Secondary interrupt mask register failed)
1. System Board
2-2-1
(Interrupt vector loading failed)
1. System Board
2-2-2
(Keyboard controller failed)
1. System Board
2. Keyboard
2-2-3
(CMOS power failure and checksum checks failed)
1. Battery
2. System board
2-2-4
(CMOS configuration info validation failed)
1. Battery
2. System board
2-3-1
(Screen initialization failed)
1. Jumper on J28
2. System Board
2-3-2
(Screen memory failed)
1. System board
2-3-3
(Screen retrace failed)
1. System board
2-3-4
(Search for video ROM failed)
1. System board
2-4-1
(Video failed, screen believed operable)
1. System board
3-1-1
(Timer tick interrupt failed)
1. System Board
84
Hardware Maintenance Manual: IBM IntelliStation M Pro Type 6233 and 6850