IBM RS/6000 44P 270 Service Manual page 95

Table 2. Firmware Checkpoints. (continued)
Checkpoint Description
E117 Bad CRC - Invalidate and flush cache,
set TOC
E118 Bad CRC - branch to high level
recovery control routine.
E119 Initialize base memory, stack
E11A Copy uncompressed recovery block
code to RAM
E11B Jump to code in RAM
E11C Turn on cache
E11D Copy recovery block data section to
RAM
E11E Invalidate and flush cache, set TOC
E11F Branch to high level control routine.
E120 Initialize I/O and early memory block
E121 Initialize service processor
E122 No memory detected (system lockup)
Note: Disk drive light is on continuously.
E123 No memory module found in socket.
E124 Disable defective memory bank
E125 Clear PCI devices command reg, go
forth
E126 Check valid image - start
E127 Check valid image - successful
E128 Disable interrupts, set int vectors for
open firmware.
E129 Validate target RAM address
E12A Copy ROM to RAM, flush cache
E12B Set MP operational parameters
Action/ Possible Failing FRU
Go to "MAP 1540: Minimum
Configuration" on page 50.
Go to "MAP 1540: Minimum
Configuration" on page 50.
Go to "MAP 1540: Minimum
Configuration" on page 50.
Go to "MAP 1540: Minimum
Configuration" on page 50.
Go to "MAP 1540: Minimum
Configuration" on page 50.
Go to "MAP 1540: Minimum
Configuration" on page 50.
Go to "MAP 1540: Minimum
Configuration" on page 50.
Go to "MAP 1540: Minimum
Configuration" on page 50.
Go to "MAP 1540: Minimum
Configuration" on page 50.
Go to "MAP 1540: Minimum
Configuration" on page 50.
Go to "MAP 1540: Minimum
Configuration" on page 50.
Go to "MAP 1240: Memory Problem
Resolution" on page 39.
Go to "MAP 1540: Minimum
Configuration" on page 50.
Go to "MAP 1540: Minimum
Configuration" on page 50.
Go to "MAP 1540: Minimum
Configuration" on page 50.
Go to "MAP 1540: Minimum
Configuration" on page 50.
Go to "MAP 1540: Minimum
Configuration" on page 50.
Go to "MAP 1540: Minimum
Configuration" on page 50.
Go to "MAP 1540: Minimum
Configuration" on page 50.
Go to "MAP 1540: Minimum
Configuration" on page 50.
Go to "MAP 1540: Minimum
Configuration" on page 50.
Chapter 4. Checkpoints
77