IBM System x3950 E Installation Manual page 91

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.
Lit light path
diagnostics LED with
the system-error LED
also lit Description
MEM Memory failure.
Note: The error LED on the
memory card is also lit.
NMI A hardware error has been reported
to the operating system.
Note: The PCI or MEM LED might
also be lit.
PCI A PCI adapter has failed.
Note: The error LED next to the
failing adapter on the PCI-X board is
also lit.
SP There is a fault in the Remote
Supervisor Adapter II SlimLine.
DASD A hard disk drive has failed or has
been removed.
Note: The error LED on the failing
hard disk drive is also lit.
Action
1. Remove the memory card with the lit error LED on
the top of the card; then, press the light path
button on the memory card to identify the failed
card or DIMM.
2. Reseat the DIMM.
3. Replace the following components one at a time,
in the order shown, restarting the server each time:
a. Memory card
b. DIMM
c. (Trained service technician only)
Microprocessor tray
1. See the BMC log and the system-error log.
2. If the PCI LED is lit, follow the instructions for that
LED.
3. If the MEM LED is lit, follow the instructions for
that LED.
4. Restart the server.
1. See the BMC log or the system-error log.
2. Reseat the following components:
a. Failing adapter
b. I/O board
3. Replace the components listed in step 2 one at a
time, in the order shown, restarting the server each
time.
1. Reseat the Remote Supervisor Adapter II SlimLine.
2. Update the firmware for the Remote Supervisor
Adapter II SlimLine.
3. Replace the Remote Supervisor Adapter II
SlimLine.
1. Reinstall the removed drive.
2. Reseat the following components:
a. Failing hard disk drive
b. SAS hard disk drive backplane
c. SAS 6x cable
d. I/O board
3. Replace the components listed in step 2 one at a
time, in the order shown, restarting the server each
time.
Chapter 6. Solving problems
79