IBM 8647 - Eserver xSeries 225, Installation Manual

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Keyboard, mouse, or pointing-device problems
Keyboard, mouse, or
pointing-device symptom
Suggested action
All or some keys on the
keyboard do not work. Verify that:
v
The keyboard cable is securely connected to the system, and the keyboard and
mouse cables are not reversed.
v
Both the server and the monitor are turned on.
v Try using another keyboard.
If the problem remains, call for service.
The mouse or pointing device
does not work. 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.
v Both the server and the monitor are turned on.
v Try using another mouse or pointing device.
If the problem remains, call for service.
Memory problems
Memory symptom Suggested action
The amount of system memory
displayed is less than the
amount of physical memory
installed.
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.
If the problem remains, call for service.
Microprocessor problems
Microprocessor symptom Suggested action
The server emits a continuous
tone during POST. (The startup
(boot) microprocessor is not
working properly.) Call for service.
Chapter 6. Solving problems
57