IBM System x3950 Type 8878 Service Manual page 155

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, Type 8878 and 8879," on page 23 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
Machine check asserted for Card or Link -
SPINT, I/O Bus Interface
Machine check asserted for Card or Link -
SPINT, System, PCI-X Card, Super I/O Card
Machine check asserted for Card or Link -
SPINT, System, PCI-X Card, Super I/O Card,
RAID Card
Machine check asserted for PCI-X Card or Slot
X - SPINT
SPINT reported a Machine Check on Memory
Card = X
SPINT reported a Machine Check on Memory
Card X, DIMM Y.
Memory Card x inserted
Memory Card x removed
MMIO operation error
Multiple fan failures
Action
1. Reseat the adapter cards.
2. Reseat the microprocessor board.
3. Replace the adapters.
4. Replace the PCIX board.
5. Replace the microprocessor board.
1. Reseat the Super I/O board.
2. Replace the Super I/O board.
3. Replace the PCI-X board.
1. Reseat the Super I/O board and ServeRAID 8i adapter (if
installed).
2. Replace the ServeRAID 8i adapter.
3. Replace the Super I/O board.
4. Replace the PCI-X board.
1. Reseat the adapter in slot X.
2. Replace the adapter in slot X.
3. Replace the PCI-X board.
Replace CPU board
1. Reseat the memory card X.
2. Replace the memory card X.
3. Replace the microprocessor board.
1. Reseat DIMM Y.
2. Replace DIMM Y.
3. Replace memory card X.
4. Replace the microprocessor board.
Information only; if the message remains:
1. Make sure that the memory card lever is securely latched.
2. Reseat the memory card.
Information only; if the message remains:
1. Make sure that the memory card lever is securely latched.
2. Reseat the memory card.
Invalid memory access error.
1. Check the integrity of the installed operating system.
2. Check that the latest service pack is applied to the operating
system.
3. Check that the latest device drivers are installed.
Replace any missing or failed fans or power supplies.
139
Chapter 5. Diagnostics