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Beep/Symptom FRU/Action
2-4-1
(Video failed, screen believed
operable)
1. System board
3-1-1
(Timer tick interrupt failed)
1. System Board
3-1-2
(Interval timer channel 2 failed)
1. System Board
3-1-3
(RAM test failed above address
OFFFF h)
1. DIMM
2. Memory card
3. System board
3-1-4
(Time-Of-Day clock failed)
1. Battery
2. System Board
3-2-1
(Serial port failed)
1. System board
3-2-2
(Parallel port failed)
1. System board
3-2-3
(Math coprocessor failed)
1. Optional processor (if installed)
2. Processor
3. System board
3-2-4
(Failure comparing CMOS memory
size against actual)
1. DIMM
2. Battery
3. System board
3-3-1
(Memory size mismatch occurred,
see ″Memory Settings″ on page 37)
1. DIMM
2. System board
3. Battery
3-3-2
(Critical SMBUS error occurred) (I2C
bus error)
1. Disconnect the server power cord from outlet, wait 30 seconds and
retry.
2. System Board
3. DIMMs
4. Memory Card
5. DASD Backplane
6. Power Supply
7. Power Supply Backplane
8. 12C Cable
3-3-3
(No operational memory in system)
1. Install or reseat the memory modules, then do a 3 boot reset. (See
“Using the Configuration/Setup Utility program” on page 33)
2. DIMMs
3. Memory Card
4. System Board
Symptom-to-FRU index 99