IBM RS6000 Service Guide - Page 105

Table 3-5 (Page 2 of 10). Firmware Checkpoints. Checkpoint Description E116 E117 E118 E119 E11A E11B E11C E11D E11E E11F E120 E121 E122 BAD CRC - copy recovery block data section to RAM BAD CRC - Invalidate and flush cache, set TOC BAD CRC - branch to high level recovery control routine. Initialize base memory, stack Copy uncompressed recovery block code to RAM Jump to code in RAM Turn on cache Copy recovery block data section to RAM Invalidate and flush cache, set TOC Branch to high level control routine. Initialize I/O and early memory block Initialize S.P. No memory detected (system lockup) Note: Disk drive light is on continuously. E123 E124 E125 E126 E127 E128 E129 E12A E12B E12C E12D E12E E12F No memory module found in socket. Disable defective memory bank Clear PCI devices command reg, go forth Check valid image - start Check valid image - successful Disable interrupts, set int vectors for O.F. Validate target RAM address Copy ROM to RAM, flush cache Set MP operational parameters Set MP cpu node characteristics Park secondary processors in parking lot Primary processor sync Unexpected return from Open Firmware (system lockup) Action/ Possible Failing FRU See the note on 3-29. See the note on 3-29. See the note on 3-29. See the note on 3-29. See the note on 3-29. See the note on 3-29. See the note on 3-29. See the note on 3-29. See the note on 3-29. See the note on 3-29. See the note on 3-29. See the note on 3-29. 1. Memory Modules 2. Memory Card 3. System Board 4. See the note on 3-29. See the note on 3-29. See the note on 3-29. See the note on 3-29. See the note on 3-29. See the note on 3-29. See the note on 3-29. See the note on 3-29. See the note on 3-29. See the note on 3-29. See the note on 3-29. See the note on 3-29. See the note on 3-29. See the note on 3-29. Chapter 3. Error Code to FRU Index 3-33