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Table 4-3 (Page 2 of 13). Firmware Checkpoints
Checkpoint
(hex)
Description Repair Action
E109 Copy CRC
verification code to
RAM
See “Unresolved problems” on page 4-26
E10A Turn on cache See “Unresolved problems” on page 4-26
E10B Flush cache See “Unresolved problems” on page 4-26
E10C Jump to CRC
verification code in
RAM
See “Unresolved problems” on page 4-26
E10D Compute composite
image CRC
See “Unresolved problems” on page 4-26
E10E Jump back to ROM See “Unresolved problems” on page 4-26
E10F Transfer control to
Open Firmware
See “Unresolved problems” on page 4-26
E110 Turn off cache,
Check if composite
image CRC is valid
See “Unresolved problems” on page 4-26
E111 GOOD CRC - jump
to composite image
See “Unresolved problems” on page 4-26
E112 BAD CRC - initialize
base memory, stack
See “Unresolved problems” on page 4-26
E113 BAD CRC - copy
uncompressed
recovery block code
to RAM
See “Unresolved problems” on page 4-26
E114 BAD CRC - jump to
code in RAM
See “Unresolved problems” on page 4-26
E115 BAD CRC - turn on
cache
See “Unresolved problems” on page 4-26
E116 BAD CRC - copy
recovery block data
section to RAM
See “Unresolved problems” on page 4-26
E117 BAD CRC -
Invalidate and flush
cache, set TOC
See “Unresolved problems” on page 4-26
E118 BAD CRC - branch
to high level
recovery control
routine
See “Unresolved problems” on page 4-26
4-14 7043 43P Series Service Guide