Checkpoint
Description
Action/
Possible Failing FRU
E566
Enable device arbitration on the RIO
interface chip
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.
E567
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.
E568
Set up the external interrupt vector register
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
189
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