IBM RS/6000 7043 43P Series Service Manual page 134

Table 4-3 (Page 3 of 13). Firmware Checkpoints
Checkpoint Description
(hex)
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 S.P.
E122 No memory
detected (system
lockup) Note:
Harddisk light is on
continuously
E123 No SIMM found in
the 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
O.F.
E129 Validate target RAM
address
E12A Copy ROM to RAM,
flush cache
4-16
7043 43P Series Service Guide
Repair Action
See "Unresolved problems" on page 4-27
See "Unresolved problems" on page 4-27
See "Unresolved problems" on page 4-27
See "Unresolved problems" on page 4-27
See "Unresolved problems" on page 4-27
See "Unresolved problems" on page 4-27
See "Unresolved problems" on page 4-27
See "Unresolved problems" on page 4-27
See "Unresolved problems" on page 4-27
See "MAP 1240: Memory Problem Resolution" on
page 2-12
See "Unresolved problems" on page 4-27
See "Unresolved problems" on page 4-27
See "Unresolved problems" on page 4-27
See "Unresolved problems" on page 4-27
See "Unresolved problems" on page 4-27
See "Unresolved problems" on page 4-27
See "Unresolved problems" on page 4-27
See "Unresolved problems" on page 4-27