Lenovo ThinkServer RD120 Hardware Maintenance Manual page 209

v Follow the suggested actions in the order in which they are listed in the Action column until the problem
is solved.
v See Chapter 3, "Parts listing, ThinkServer RD120 Machine Types 6444, 6445, 6446, and 6447," on page 25
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.
System event/error log message
Front panel NMI
Software NMI
CPU n IERR detected, the system has been
restarted
n = the microprocessor number
CPU n IERR, the CPU has been disabled
n = the microprocessor number
CPU n over temperature
n = the microprocessor number
CPU removal detected
Action
1. If the MEM LED on the Easy LED Diagnostics panel is lit,
complete the following steps:
a. Check the other system logs for related entries and actions.
b. Reinstall the server device drivers.
c. Reinstall the operating system.
2. If the error LED for PCI slot 1 or PCI slot 2 on the riser card is
lit, complete the following steps:
a. Remove the adapter from the PCI slot that has the lit error
LED.
b. If the error continues, replace the riser-card assembly.
c. (Trained service technician only) If the error continues,
replace the system board.
3. If the error LED for PCI slot 3 or PCI slot 4 on the system
board is lit, complete the following steps:
a. Remove the adapter from the PCI slot that has the lit error
LED.
b. (Trained service technician only) If the error continues,
replace the system board.
4. Remove all PCI adapters from the server. (Trained service
technician only) If the error continues, replace the system
board.
Information only
1. Make sure that you have installed the latest levels of firmware
and device drivers for all adapters and standard devices, such
as Ethernet, SCSI, or SAS.
2. Run the diagnostics programs for the hard disk drives and
other I/O devices.
3. (Trained service technician only) Replace microprocessor n.
1. (Trained service technician only) Reseat microprocessor n.
2. (Trained service technician only) Replace microprocessor n.
3. (Trained service technician only) Replace the system board.
1. Make sure that the fans are operating, that there are no
obstructions to the airflow, that the air baffles are in place and
correctly installed, and that the server cover is installed and
completely closed.
2. Make sure that the heat sink for microprocessor n is installed
correctly.
3. (Trained service technician only) Replace microprocessor n.
Information only. Take action as appropriate.
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Chapter 5. Diagnostics