IBM 6227 Personal Computer User Manual


 
Note: See Chapter 7, “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. 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 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:
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 computer.
3. DIMM.
4. System board.
Note: See Chapter 7, “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. Verify that the startup microprocessor is seated properly.
2. Startup microprocessor.
Note: See Chapter 7, “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 Types 6223 and 6227: Hardware Maintenance Manual and Troubleshooting Guide