IBM 8681 Hardware Maintenance Manual - Page 236
SMI Error, Message, FRU/Action, I/O function card or System Management
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Page 236 highlights
SMI Error Message Error on Processor Bn P6 I/O bus UNC error UNC Error on PCI bus M P6 I/O Bus Hard Failure Response (HFR) UNC Error on PCI bus slot x Address Parity Error (APE) on PCI bus M SBC error on P6 Process Bus A SBC error on P6 Process Bus B SBC error on P6 I/O bus Uncorrectable MCA error Correctable MCA error SBC Memory error has occurred FRU/Action Suspect FRUs in the following order: 1. Processor Bn 2. Run diagnostics on the processors 3. Processor daughter board B 4. Processor controller board If message "UNC Error on PCI bus slot x" is also displayed, follow the FRU/Action for that message first, then suspect FRUs in the following order: 1. I/O board 2. Processor controller board Suspect FRUs in the following order: 1. Any PCI adapters on bus M (including I/O Function card or System Management Adapter for bus A) 2. System management adapter cable 3. I/O board Reinstall the device driver for the last PCI adapter installed, then suspect FRUs in the following order: 1. The last installed PCI adapter 2. Any other PCI adapter 3. System Management Adapter 4. I/O Function card 5. I/O board Suspect FRUs in the following order: 1. PCI adapter in slot x 2. I/O board 3. Another adapter on the same PCI bus Suspect FRUs in the following order: 1. Any PCI adapters on bus M (including I/O function card or System Management Adapter for bus A) 2. System management adapter cable 3. I/O board Suspect FRUs in the following order: 1. Run diagnostics on the processors 2. Any processor on bus A 3. Processor daughter board A 4. Processor controller board Suspect FRUs in the following order: 1. Run diagnostics on the processors 2. Any processor on bus B 3. Processor daughter board B 4. Processor controller board Suspect FRUs in the following order: 1. I/O board 2. Processor controller board Suspect any processor on bus A and B 1. Run diagnostics on the processors Suspect any processor on bus A and B 1. Run diagnostics on the processors Suspect any DIMM on memory bus A and B 1. Run diagnostics on the memory 228 Netfinity Server HMM
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