IBM 84875MU User Manual page 98

Note: See Chapter 8, "Parts listing, Type 8482 and 8487," on page 99 to determine which components are
replaceable by the customer (CRU), and which components must be replaced by a field service technician (FRU).
Symptom
The mouse or pointing device
does not work.
Note: See Chapter 8, "Parts listing, Type 8482 and 8487," on page 99 to determine which components are
replaceable by the customer (CRU), and which components must be replaced by a field service technician (FRU).
Symptom
The amount of system memory
displayed is less than the
amount of physical memory
installed.
Note: See Chapter 8, "Parts listing, Type 8482 and 8487," on page 99 to determine which components are
replaceable by the customer (CRU), and which components must be replaced by a field service technician (FRU).
Symptom
The server emits a continuous
tone during POST. (The startup
(boot) microprocessor is not
working properly.)
Note: See Chapter 8, "Parts listing, Type 8482 and 8487," on page 99 to determine which components are
replaceable by the customer (CRU), and which components must be replaced by a field service technician (FRU).
Symptom
Testing the monitor.
88
xSeries 206 Type 8482 and 8487: Hardware Maintenance Manual and Troubleshooting Guide
Keyboard, mouse, or pointing-device problems
FRU/action
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.
Memory problems
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.
Microprocessor problems
FRU/action
1. Verify that the startup microprocessor is seated properly.
2. Startup microprocessor.
Monitor problems
FRU/action
v See the information that comes with the monitor for adjusting and testing
instructions. (Some IBM monitors have their own self-tests.)