Firmware Checkpoints - IBM RS/6000 7043 43P Series Service Manual

Memory PD Bits
The following table expands the firmware error code 25Cyyrrr on page 4-9, where
yy is the PD values in the table below. Use these values to identify the type of
memory that generated the error.
If you replace FRUs and the problem is still not corrected, go to MAP 0030 in the
Diagnostics Information for Multiple Bus Systems unless otherwise indicated in the
tables.
PD Value Size
38 128MB
3A 128MB
48 64MB
4A 64MB
68 256MB
6A 256MB

Firmware Checkpoints

The following is a list of checkpoints issued by the firmware during initialization.
Table 4-3 (Page 1 of 13). Firmware Checkpoints
Checkpoint Description
(hex)
E100 Reserved/Unused
E101 Video enabled,
extended memory
test (Quick restart
path)
E102 Firmware restart
with cfg'd parms
(Quick restart path)
E103 Set memory refresh
(composite img)
E104 Set memory refresh
(recovery block)
E105 Transfer control to
O.S. (normal boot)
E108 Run recovery block
base memory (test
2k), set stack
4-14
7043 43P Series Service Guide
Speed (nsecs)
10
8
10
8
10
8
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 "Boot Problems/Concerns" on page 4-28
See "Unresolved problems" on page 4-27
Parity/ECC
ECC
ECC
ECC
ECC
ECC
ECC