IBM IntelliStation M Pro 6225, Руководство по техническому обслуживанию и ремонту

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Beep/symptom FRU/action
1-2-3
(DMA page register write/read
failed.)
System board
1-3-1
(First 64K RAM test failed.)
1. DIMM
2. System board
2-1-1
(Secondary DMA register failed.)
System board
2-1-2
(Primary DMA register failed.)
System board
2-1-3
(Primary interrupt mask register
failed.)
System board
2-1-4
(Secondary interrupt mask register
failed)
System board
2-2-2
(Keyboard controller failed.)
1. Keyboard
2. System board
2-2-3
(CMOS power failure and checksum
checks failed)
1. Battery
2. System board
2-4-1
(Video failed; screen believed
operable.)
Video card
3-1-1
(Timer tick interrupt failed.)
System board
3-1-2
(Interval timer channel 2 failed.)
System board
3-1-3
(RAM test failed above address
OFFFFH.)
1. DIMM
2. System board
3-1-4
(Time-Of-Day clock failed.)
1. Battery
2. System board
3-2-1
(Serial port failed.)
System board
3-2-2
(Parallel port failed.)
System board
3-3-1
(Memory size mismatch occurred.)
1. DIMM
2. System board
3. Battery
3-3-2
(Critical SMBUS error occurred, I2C
error.)
1. Disconnect the computer power cord from outlet, wait 30 seconds,
and retry.
2. System board.
3. Microprocessor.
4. DIMMs.
3-3-3
(No operational memory in system.)
1. Install or reseat the memory modules, and then do a 3-boot reset.
2. DIMMs.
3. System board.
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IntelliStation M Pro Types 6225 and 6228: Hardware Maintenance Manual and Troubleshooting Guide