IBM 86655RY Hardware Maintenance Manual - Page 226

Beep/Symptom 1-2-4 (RAM refresh verification failed) 1. DIMM 2. Processor/PCI Board 3. Memory Card 1-3-1 (1st 64K RAM test failed) 1. DIMM 2. Processor/PCI Board 3. Memory Card 1-3-2 (1st 64K RAM parity test failed) 1. DIMM 2. I/O Legacy board 2-1-1(Secondary DMA register failed) 1. I/O Legacy Board 2-1-2(Primary DMA register failed) 1. I/O Legacy Board 2-1-3(Primary interrupt mask register failed) 1. I/O Legacy Board 2-1-4(Secondary interrupt mask register failed) 1. I/O Legacy Board 2-2-2 (Keyboard controller failed) 1. I/O Legacy Board 2. Keyboard 2-2-3(CMOS power failure and checksum checks failed) 1. Battery 2. I/O Legacy board 2-2-4(CMOS configuration info validation failed) 1. Battery 2. I/O Legacy board 2-3-1(Screen initialization failed) 1. Jumper on J6 2. I/O Legacy Board 2-3-2(Screen memory failed) 1. I/O Legacy board 2-3-3(Screen retrace failed) 1. I/O Legacy board 2-3-4(Search for video ROM failed) 1. I/O Legacy board 2-4-1(Video failed, screen believed operable) 1. I/O Legacy board 3-1-1(Timer tick interrupt failed) 1. I/O Legacy Board 3-1-2 (Interval timer channel 2 failed) 1. I/O Legacy Board 3-1-3(RAM test failed above address 1. DIMM OFFFF h)) 2. Memory card 3. Processor/PCI board 4. I/O Legacy board 3-1-4 (Time-Of-Day clock failed) 1. Battery 2. I/O Legacy Board 3-2-1(Serial port failed) 1. I/O Legacy board 3-2-2(Parallel port failed) 1. I/O Legacy board FRU/Action 216 Hardware Maintenance Manual: Netfinity 7600 - Type 8665 Models 1RY, 2RY