IBM eserver p Series Service Manual page 225

Table 2. Firmware Checkpoints (continued)
Checkpoint
E522
E523
E524
E525
E526
E527
Description
Set up miscellaneous registers for the
current I/O hub
Initialize data structures and enable all I/O
hub ports
Determine I/O configuration of current I/O
hub
Set up the ETE of the current I/O hub
Reassign the I/O subsystems to the nearest
I/O hub
Enable the memory map and I/O map for
the current I/O hub port
Action/
Possible Failing FRU
1. Check for system firmware updates.
2. Replace the RIO adapter specified by
the location code.
3. Go to "MAP 1542: I/O Problem
Isolation" on page 144.
1. Check for system firmware updates.
2. Replace the RIO adapter specified by
the location code.
3. Go to "MAP 1542: I/O Problem
Isolation" on page 144.
1. Check for system firmware updates.
2. Replace the RIO adapter specified by
the location code.
3. Go to "MAP 1542: I/O Problem
Isolation" on page 144.
1. Check for system firmware updates.
2. Replace the RIO adapter specified by
the location code.
3. Go to "MAP 1542: I/O Problem
Isolation" on page 144.
1. Replace the RIO cable specified by the
location code.
2. Replace the RIO adapter that the failing
I/O subsystem is attached to.
3. If the location code associated with this
checkpoint specifies a PCI adapter
card, replace the adapter card.
4. Replace the I/O subsystem backplane
that the RIO cable in step 1 is attached
to.
5. Go to "MAP 1542: I/O Problem
Isolation" on page 144.
1. Check for system firmware updates.
2. Replace the RIO adapter specified by
the location code.
3. Go to "MAP 1542: I/O Problem
Isolation" on page 144.
Chapter 4. Checkpoints
205