IBM pSeries 630 6C4 Service Manual page 198

Checkpoint
E529
E52A
178 Eserver pSeries 630 Model 6C4 and Model 6E4 Service Guide
Description
Enable the control port and driver of the
current RIO hub
Search for the next available I/O drawer
from a current RIO port
Action/
Possible Failing FRU
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. Verify that the entire RIO loop
associated with the location code is
cabled correctly.
3. 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.
4. Replace the RIO riser, U0.dd-P1.1, in
the I/O drawer that the RIO cables in
step 1 are attached to.
5. Replace the CEC backplane, U0.1-P1.
6. Go to "MAP 1542: I/O Problem
Isolation" on page 127.
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. Verify that the entire RIO loop
associated with the location code is
cabled correctly.
3. 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.
4. Replace the RIO riser, U0.dd-P1.1, in
the I/O drawer that the RIO cables in
step 1 are attached to.
5. Replace the CEC backplane, U0.1-P1.
6. Go to "MAP 1542: I/O Problem
Isolation" on page 127.