IBM 8685 Hardware Maintenance Manual - Page 141

Run Diagnostics., Three short beeps

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Page 141 highlights

Note: See "System" on page 162 to determine which components should be replaced by a field service technician. Beep/symptom FRU/action 3-1-4 (Time-Of-Day clock failed) 1. Battery 2. System board 3-2-1 (Serial port failed) v System board 3-2-2 (Parallel port failed) v System board 3-2-3 (Math coprocessor test failed) 1. Microprocessor 2. System board 3-2-3 (Failure comparing CMOS memory size against actual) 1. DIMM 2. Battery 3-3-1 (Memory size mismatch occurred.) 1. DIMM 2. Battery 3-3-2 (Critical SMBUS error occurred) 1. Disconnect the server power cords from the outlets, wait 30 seconds and retry. 2. System board. 3. DIMMs. 4. DASD backplane. 5. Power supply. 6. Power backplane. 7. I2C Cable. 3-3-3 (No operational memory in system) 1. Install or reseat the memory modules, and then do a 3 boot reset. (For more information on a 3 boot reset, see "Using the Configuration/Setup Utility program" on page 11.) 2. DIMMs. 3. Memory card. 4. System board. 4-4-4 (Optional system management 1. Verify that the adapter is installed in slot 1. adapter not installed in slot 1 or not functioning correctly) 2. Adapter. 3. System board. Two short beeps (Information only, 1. Run Diagnostics. the configuration has changed) 2. Run the Configuration/Setup Utility program. Three short beeps 1. DIMM 2. Memory card 3. System board One continuous beep 1. Microprocessor 2. Optional microprocessor (if installed) 3. System board Repeating short beeps 1. Keyboard 2. System board One long and one short beep 1. Video adapter (if installed) 2. System board One long and two short beeps 1. Video adapter (if installed) 2. System board Chapter 6. Symptom-to-FRU index 131

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Note:
See “System” on page 162 to determine which components should be replaced by a field service technician.
Beep/symptom
FRU/action
3-1-4
(Time-Of-Day clock failed)
1.
Battery
2.
System board
3-2-1
(Serial port failed)
v
System board
3-2-2
(Parallel port failed)
v
System board
3-2-3
(Math coprocessor test failed)
1.
Microprocessor
2.
System board
3-2-3
(Failure comparing CMOS
memory size against actual)
1.
DIMM
2.
Battery
3-3-1
(Memory size mismatch
occurred.)
1.
DIMM
2.
Battery
3-3-2
(Critical SMBUS error
occurred)
1.
Disconnect the server power cords from the outlets, wait 30 seconds
and retry.
2.
System board.
3.
DIMMs.
4.
DASD backplane.
5.
Power supply.
6.
Power backplane.
7.
I2C Cable.
3-3-3
(No operational memory in
system)
1.
Install or reseat the memory modules, and then do a 3 boot reset.
(For more information on a 3 boot reset, see “Using the
Configuration/Setup Utility program” on page 11.)
2.
DIMMs.
3.
Memory card.
4.
System board.
4-4-4
(Optional system management
adapter not installed in slot 1 or not
functioning correctly)
1.
Verify that the adapter is installed in slot 1.
2.
Adapter.
3.
System board.
Two short beeps
(Information only,
the configuration has changed)
1.
Run Diagnostics.
2.
Run the Configuration/Setup Utility program.
Three short beeps
1.
DIMM
2.
Memory card
3.
System board
One continuous beep
1.
Microprocessor
2.
Optional microprocessor (if installed)
3.
System board
Repeating short beeps
1.
Keyboard
2.
System board
One long and one short beep
1.
Video adapter (if installed)
2.
System board
One long and two short beeps
1.
Video adapter (if installed)
2.
System board
Chapter 6. Symptom-to-FRU index
131