IBM pSeries 670 Service Manual page 345

Table 2. Firmware Checkpoints (continued)
Checkpoint
E50B
E50C
E50D
E50E
E50F
E51F
E520
E521
E522
E523
Description
Save I/O hub information
Copy all of the memory ranges
Copy all of the I/O data
Copy all of the I/O hub information
Clean up the error registers
End of I/O configuration
Set up the I/O architecture registers
Set up interrupts for the current I/O hub
Set up miscellaneous registers for the
current I/O hub
Initialize data structures and enable all I/O
hub ports
Action/
Possible Failing FRU
1. Check for system firmware updates.
2. Go to "MAP 1542: I/O Problem
Isolation" on page 261.
1. Check for system firmware updates.
2. Go to "MAP 1542: I/O Problem
Isolation" on page 261.
1. Check for system firmware updates.
2. Go to "MAP 1542: I/O Problem
Isolation" on page 261.
1. Check for system firmware updates.
2. 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 for system firmware updates.
2. 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 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. 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.
Chapter 4. Checkpoints
325