IBM System x3850 - Memory Problems

v Follow the suggested actions in the order in which they are listed in the Action column until the problem
is solved.
v See the parts listing in the Problem Determination and Service Guide to determine which components are
customer replaceable units (CRU) and which components are field replaceable units (FRU).
v If an action step is preceded by “(Trained service technician only),” that step must be performed only by a
trained service technician.
Symptom Action
The mouse or pointing device
does not work.
v Make sure that the mouse or pointing-device cable is securely connected to the
server and that the keyboard and mouse cables are not reversed.
v Make sure that the mouse device drivers are installed correctly.
v Try using another mouse or pointing device.
If
the problem remains, call for service.
Memory problems
v Follow the suggested actions in the order in which they are listed in the Action column until the problem
is solved.
v See the parts listing in the Problem Determination and Service Guide to determine which components are
customer replaceable units (CRU) and which components are field replaceable units (FRU).
v If an action step is preceded by “(Trained service technician only),” that step must be performed only by a
trained service technician.
Symptom Action
The amount of system memory
displayed is less than the
amount of installed physical
memory.
Make sure that:
v The DIMMs are seated correctly.
v You have installed the correct type and capacity of memory.
v You have installed the DIMMs in the correct slots, in the correct order.
v If you changed the memory, you updated the memory configuration in the
Configuration/Setup Utility program.
v All banks of memory are enabled. The server might have automatically disabled
a memory bank when it detected a problem, or a memory bank might have been
manually disabled.
Look
in the 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, run the Configuration/Setup
Utility program and enable the DIMM.
v If this error remains, replace the DIMM.
If
the problem remains, call for service.
Chapter 6. Solving problems 55