IBM pSeries 670 Service Manual page 346

Table 2. Firmware Checkpoints (continued)
Checkpoint
E524
E525
E526
E527
E528
326 Eserver pSeries 670 Service Guide
Description
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
Begin search for the next available I/O
drawer from a current RIO port
Action/
Possible Failing FRU
1. Check for system firmware updates.
2. Replace the I/O book specified by the
location code.
3. Go to "MAP 1542: I/O Problem
Isolation" on page 261.
1. Check for system firmware updates.
2. Replace the I/O book specified by the
location code.
3. Go to "MAP 1542: I/O Problem
Isolation" on page 261.
1. Replace the I/O cable specified by the
location code.
2. Replace the I/O book that the failing I/O
subsystem is attached to, U1.18-P1-Hx.
3. Replace the I/O subsystem backplane
that the I/O cable in step 1 is attached
to.
4. Go to "MAP 1542: I/O Problem
Isolation" on page 261.
1. Check for system firmware updates.
2. Replace the I/O book specified by the
location code.
3. Go to "MAP 1542: I/O Problem
Isolation" on page 261.
1. Check the RIO cable specified by the
location code. If the location code
specifies an I/O subsystem or its RIO
interface, check the RIO cables going
into and out of the I/O subsystem.
2. Replace the RIO cables specified by
the location code. If the location code
specifies an I/O subsystem or its RIO
interface, replace the RIO cables going
into and out of the I/O subsystem.
3. Replace the I/O book specifed by the
location code, or the I./O book that the
RIO cables in step 1 are attached to.
4. Replace the I/O subsystem backplane
specified by the location code, or the
I/O subsystem backplane that the RIO
cables in step 1 are attached to.