IBM xSeries 236 8841, User Manual

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Note: See “System replaceable units” on page 144 to determine which components should be replaced by a field
service technician.
Beep/symptom FRU/action
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)
v
System board
3-2-2
(Parallel port failed)
v System board
3-2-3
(Math coprocessor test failed)
1. Microprocessor
2. System board
3-2-4
(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 cord from outlet, wait 30 seconds and
retry.
2. System board.
3. DIMMs.
4. DASD backplane.
5. Power supply.
6. Power cage assembly, if installed.
7. 12C Cable.
3-3-3
(No operational memory in system)
Note: In some memory
configurations, the 3-3-3 beep code
might sound during POST followed
by a blank display screen. If this
occurs and the Boot Fail Count
feature in the Start Option s of the
Configuration/Setup Utility is set to
Enabled (its default setting), you
must restart the server three times to
force the system BIOS code to reset
the memory connector or bank of
connectors from Disabled to
Enabled .
1. Install or reseat the memory modules, and then do a 3 boot reset.
2. DIMMs.
3. 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.
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xSeries 236 Type 8841: Hardware Maintenance Manual and Troubleshooting Guide