IBM System x3500 Service Manual page 166

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, System x3500 Type 7977," on page 41 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-error log message
Loader Watchdog Triggered
Machine check asserted
Machine check asserted for Card or Link -
SPINT
Memory Card x inserted
Memory Card x removed
Multiple fan failures
OS Watchdog Triggered
PCI-X Card Power Good Fault
POST Watchdog Triggered
Power Good Fault detected by DIMM %d.
156
IBM System x3500 Type 7977: Problem Determination and Service Guide
Action
1. Reconfigure the loader watchdog timer to have a higher value
(twice the normal operating-system boot time).
2. Install the Remote Supervisor Adapter II SlimLine device driver
for the operating system.
3. Disable the loader watchdog.
4. Check the integrity of the installed operating system.
5. Reinstall the operating system with the applicable device
drivers.
1. Reseat the DIMM.
2. Replace the DIMM.
1. Reseat the DIMM.
2. Replace the DIMM.
Information only; if the message remains:
1. Make sure that the DIMM lever is securely latched.
2. Reseat the DIMM.
Information only; if the message remains:
1. Make sure that the DIMM lever is securely latched.
2. Reseat the DIMM.
Replace any missing or failed fans or power supplies.
1. Reconfigure the operating-system watchdog timer to have a
higher value.
2. Reinstall the Remote Supervisor Adapter II SlimLine device
driver for the operating system.
3. Disable the operating-system watchdog.
4. Check the integrity of the installed operating system.
5. Reinstall the operating system with applicable device drivers.
1. Reseat the Remote Supervisor Adapter II SlimLine, if one is
present.
2. Replace the system board.
3. (Trained service technician only) Replace the PCI-X board.
1. Reconfigure the POST watchdog timer to have a higher value
(consistent with the time it takes to complete POST).
2. Disable the POST watchdog.
1. Reseat the DIMMs.
2. Replace the DIMMs.
3. (Trained service technician only) Replace the power backplane.
4. (Trained service technician only) Replace the system board.