IBM RS/6000 44P 270 Service Manual page 102

Table 2. Firmware Checkpoints. (continued)
Checkpoint
E1E4
E1E5
E1E6
E1E7
E1E8
E1E9
E1EA
84
Service Guide
Description
Initialize Super I/O with default values.
XCOFF boot image initialization.
Set up early memory allocation heap.
PE boot image initialization.
Initialize primary diskette drive (polled
mode).
ELF boot image initialization.
Firmware flash corrupted, load from
diskette.
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.
1. Ensure that the diskette installed
contains recovery image appropriate
for this system unit.
The System Management Services
recovery procedure for the flash
EEPROM should be executed. See
"Firmware Update" on page 207.
2. If the diskette is installed with the
correct recovery image, then
suspect:
v Diskette
v Diskette drive
v Diskette cable
v I/O board (See notes on page
93.)
3. Go to "MAP 1540: Minimum
Configuration" on page 50.