v Follow the suggested actions in the order in which they are listed in the Action column until the problemis solved.v See Chapter 3, “Parts listing, Type 8863,” on page 93 to determine which components are customerreplaceable 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 atrained service technician.System-error log message ActionMachine check asserted for Card or Link -SPINT, Quad Bus B 1. Reseat microprocessor 3 and 4.2. Replace microprocessor 3 or 4.3. Replace the microprocessor board.Machine check asserted for Card or Link -SPINT, CPU Card 1. Reseat the microprocessors and microprocessor board.2. Replace the microprocessor board.Machine check asserted for Card or Link -SPINT, I/O Bus Interface 1. Reseat the adapter cards.2. Reseat the microprocessor board.3. Replace the adapters.4. Replace the PCIX board.5. Replace the microprocessor board.Machine check asserted for Card or Link -SPINT, System, PCI-X Card, Super I/O Card 1. Reseat the Super I/O board.2. Replace the Super I/O board.3. Replace the PCI-X board.Machine check asserted for Card or Link -SPINT, System, PCI-X Card, Super I/O Card,RAID Card1. Reseat the Super I/O board and ServeRAID 8i adapter (ifinstalled).2. Replace the ServeRAID 8i adapter.3. Replace the Super I/O board.4. Replace the PCI-X board.Machine check asserted for PCI-X Card or SlotX - SPINT 1. Reseat the adapter in slot X.2. Replace the adapter in slot X.3. Replace the PCI-X board.SPINT reported a Machine Check on MemoryCard = XReplace CPU board1. Reseat the memory card X.2. Replace the memory card X.3. Replace the microprocessor board.SPINT reported a Machine Check on MemoryCard X, DIMM Y. 1. Reseat DIMM Y2. Replace DIMM Y3. Replace memory card X4. Replace CPU boardMemory Card x inserted Information only; if the message persists:Note: Make sure you re-enable the memory in theConfiguration/Setup Utility program. See, “Memory problems” onpage 401. Make sure that the memory card lever is securely latched.2. Reseat the memory card.84 IBM xSeries 366 Type 8863: Problem Determination and Service Guide