Checkpoint Description Action/
Possible Failing FRU
E535 Valid node ID detected at other end of the
RIO cable
1. Replace the RIO-2 cable specified by
the location code.
2. Replace the RIO riser card that the
failing drawer is attached to.
3. Replace the RIO riser card (location:
U0.dd-P1.1) in the I/O subsystem that
the RIO cable in step 1 is attached to.
4. If the location code associated with this
checkpoint specifies a PCI adapter
card, replace the adapter card.
5. Replace the I/O subsystem planar that
the RIO-2 cable in step 1 is attached to.
6. Go to “MAP 1540: Problem Isolation
Procedures” on page 124.
E536 I/O subsystem detected at other end of the
RIO cable
1. Check for system firmware updates.
2. Go to “MAP 1540: Problem Isolation
Procedures” on page 124.
E537 Configuring the I/O subsystem
1. Replace the RIO-2 cable specified by
the location code.
2. Replace the RIO riser card that the
failing drawer is attached to.
3. Replace the RIO riser card (location:
U0.dd-P1.1) in the I/O subsystem that
the RIO cable in step 1 is attached to.
4. If the location code associated with this
checkpoint specifies a PCI adapter
card, replace the adapter card.
5. Replace the I/O subsystem planar that
the RIO-2 cable in step 1 is attached to.
6. Go to “MAP 1540: Problem Isolation
Procedures” on page 124.
E538 Detected the RIO hub on the other end of
the RIO cable
1. Check for system firmware updates.
2. Go to “MAP 1540: Problem Isolation
Procedures” on page 124.
E539 Enabling the RIO hub ports
1. Check for system firmware updates.
2. Replace the RIO riser card specified by
the location code.
3. Go to “MAP 1540: Problem Isolation
Procedures” on page 124.
Chapter 4. Checkpoints 181