IBM 86655RY Hardware Maintenance Manual - Page 227
One Long and One Short Beep, Three Short Beeps
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Beep/Symptom FRU/Action 3-2-3(Math coprocessor failed) 1. Optional processor (if installed) 2. Processor 3. Processor/PCI board 3-2-4(Failure comparing CMOS memory size against actual) 1. DIMM 2. Processor/PCI board 3. Battery 4. I/O Legacy board 3-3-1(Memory size mismatch 1. DIMM occurred, see "Memory Settings" on page 47) 2. Processor/PCI board 3. Battery 3-3-2(Critical SMBUS error occurred) 1. Disconnect the server power cord from outlet, wait 30 seconds and retry. 2. I/O Legacy Board 3. Processor/PCI Board 4. DIMMs 5. Memory Card 6. DASD Backplane 7. Power Supply 8. Power Supply Backplane 9. 12C Cable 3-3-3 (No operational 1. Install or reseat the memory modules, then power-on the system (see memory in system) "Using the Configuration/Setup Utility program" on page 43). 2. If problem persists, restart the system 3 times. Note: Restarting the system three times will load default settings. 3. DIMMs 4. Memory Board 5. Processor/PCI Board 6. I/O Legacy Board Two Short Beeps (Information only, 1. Run Diagnostics the configuration has changed) 2. Run Configuration/Setup Three Short Beeps 1. DIMM 2. Processor/PCI Board 3. I/O Legacy Board One Continuous Beep 1. Processor 2. Optional Processor (if installed) 3. Processor/PCI Board 4. I/O Legacy Board Repeating Short Beeps 1. Keyboard 2. I/O Legacy Board One Long and One Short Beep 1. Video adapter (if present) 2. I/O Legacy Board Symptom-to-FRU index 217