IBM RS/6000 7043 43P Series Service Manual page 111

Table 3-4 (Page 2 of 5). Firmware Checkpoints.
Checkpoint Description
F55 Probing PCI bridge secondary bus
F5B Transferring control to Operating
System (service mode boot)
F5F Probing for adapter FCODE,
evaluate if present
F74 Establishing host connection
Chapter 3. Error Code to FRU Index for Model 140 and Model 240
Action/
Possible Failing FRU
1. PCI Adapters
2. Riser card
3. System board.
If a network adapter or system
board is replaced, see 3-1.
See "Fxx Code Boot Problems" on
page 3-18.
1. PCI Adapters
2. Riser card
3. System board.
If a network adapter or system
board is replaced, see 3-1.
Refer to "Fxx Code Boot Problems"
on page 3-18 for general
considerations.
1. Turn off then on, and retry the
boot operation.
2. Verify the network connection
(network could be down).
3. Verify that IP paramters are
correct.
4. Try to "Ping" the target server.
5. Have network administrator
verify the server configuration
for this client.
6. Check the network cable
7. Check the network adapter. If
trying to boot using integrated
ethernet controller, replace
system board. (See 3-1.)
3-15