Checkpoint Description Action/
Possible Failing FRU
E556 Set up and initialize RIO interface chips
under current RIO interface chip
Replace the device specified by the
location code.
If the device specified by the location code
is the RIO riser card in an I/O subsystem
(location: U0.dd-P1.1), and replacing it
does not resolve the problem, replace the
I/O backplane (location: U0.dd-P1) in the
same I/O subsystem.
E55F End of I/O drawer initialization Replace the device specified by the
location code.
If the device specified by the location code
is the RIO riser card in an I/O subsystem
(location: U0.dd-P1.1), and replacing it
does not resolve the problem, replace the
I/O backplane (location: U0.dd-P1) in the
same I/O subsystem.
E560 Begin initializing the I/O drawer
1. Check for system firmware updates.
2. Go to “MAP 1540: Problem Isolation
Procedures” on page 124.
E561 Set up RIO interface chip registers If the location code associated with this
checkpoint is either U0.1-P1 or U0.1-P2, do
the following:
1. Replace the PCI riser card in the CEC
drawer, location: U0.1-P2.
2. Replace the CEC backplane: location
U0.1-P1.
Otherwise, replace the device specified by
the location code.
If the device specified by the location code
is the RIO riser card in an I/O subsystem
(location: U0.dd-P1.1), and replacing it
does not resolve the problem, replace the
I/O backplane (location: U0.dd-P1) in the
same I/O subsystem.
E562 Set up RIO interface chip registers If the location code associated with this
checkpoint is either U0.1-P1 or U0.1-P2, do
the following:
1. Replace the PCI riser card in the CEC
drawer, location: U0.1-P2.
2. Replace the CEC backplane: location
U0.1-P1.
Otherwise, replace the device specified by
the location code.
If the device specified by the location code
is the RIO riser card in an I/O subsystem
(location: U0.dd-P1.1), and replacing it
does not resolve the problem, replace the
I/O backplane (location: U0.dd-P1) in the
same I/O subsystem.
Chapter 4. Checkpoints 187
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