IBM 8676 - Eserver xSeries 335 Hardware Maintenance Manual And Troubleshooting Manual page 101

Note: See "System" on page 112 to determine which components should be replaced by a field service technician.
Keyboard, mouse, or pointing-device problems
Symptom
All or some keys on the
keyboard do not work.
The mouse or pointing device
does not work.
Note: See "System" on page 112 to determine which components should be replaced by a field service technician.
Memory problems
Symptom
The amount of system memory
displayed is less than the
amount of physical memory
installed.
Note: See "System" on page 112 to determine which components should be replaced by a field service technician.
Microprocessor problems
Symptom
The server emits a continuous
tone during POST. (The startup
(boot) microprocessor is not
working properly.)
FRU/action
1. Verify that:
v The keyboard cable is securely connected to the system, and the keyboard
and mouse cables are not reversed.
v The server and the monitor are turned on.
2. Keyboard.
3. System board.
1. Verify that:
v The mouse or pointing-device cable is securely connected, and that the
keyboard and mouse cables are not reversed.
v The mouse device drivers are installed correctly.
2. Mouse or pointing device.
3. System board.
FRU/action
1. Verify that:
v The memory modules are seated properly.
v You have installed the correct type of memory.
v If you changed the memory, you updated the memory configuration with the
Configuration/Setup Utility program.
v All banks of memory on the DIMMs are enabled. The server might have
automatically disabled a DIMM bank when it detected a problem or a DIMM
bank could have been manually disabled.
2. Check POST error log for error message 289:
v If the DIMM was disabled by a system-management interrupt (SMI), replace
the DIMM.
v If the DIMM was disabled by the user or by POST:
a. Start the Configuration/Setup Utility program.
b. Enable the DIMM.
c. Save the configuration and restart the server.
3. DIMM.
4. System board.
FRU/action
1. Verify that the startup microprocessor is seated properly.
2. Startup microprocessor.
Chapter 6. Symptom-to-FRU index
91