Note: See Chapter7, “Parts listing Types 6223 and 6227,” on page 115 to determine which components are
replaceable by the customer (CRU), and which components must be replaced by a field service technician (FRU).
Memory
Symptom FRU/action
The amount of system memory
displayed is less than the
amount of physical memory
installed.
1. Verifythat:
vThe memory modules are seated properly.
vYouhave installed the correct type of memory.
vIf you changed the memory,you updated the memory configuration with the
Configuration/Setup Utility program.
vAll banks of memory on the DIMMs are enabled. The computer 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:
vIf the DIMM was disabled by a system-management interrupt (SMI), replace
the DIMM.
vIf 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 computer.
3. DIMM.
4. System board.
Note: See Chapter7, “Parts listing Types 6223 and 6227,” on page 115 to determine which components are
replaceable by the customer (CRU), and which components must be replaced by a field service technician (FRU).
Microprocessor
Symptom FRU/action
The computer emits a
continuous tone during POST.
(The startup (boot)
microprocessor is not working
properly.)
1. Verifythat the startup microprocessor is seated properly.
2. Startup microprocessor.
Note: See Chapter7, “Parts listing Types 6223 and 6227,” on page 115 to determine which components are
replaceable by the customer (CRU), and which components must be replaced by a field service technician (FRU).
Monitor
Symptom FRU/action
Monitor problems (general). Some IBM monitors have their own self-tests. If you suspect a problem with the
monitor,refer to the information that comes with the monitor for adjusting and
testing instructions.
1. Monitor.
2. Run video diagnostics. If diagnostics pass, the problem may be a video driver.
3. Display adapter / system board.
98 IntelliStation Z Pro Types6223 and 6227: HardwareMaintenance Manual and Troubleshooting Guide