IBM pSeries 670 Service Manual page 229

Step 152h-22
Have all the cards listed in "Step 152h-15" on page 208 been reinserted?
Yes The symptom has changed. This ends the procedure.
Return the system to its original configuration.
Go to "MAP 0410: Repair Checkout" in the RS/6000 and Eserver pSeries Diagnostic Information
for Multiple Bus Systems.
No Go to "Step 152h-19" on page 208.
Step 152h-23
Turn off the power.
Examine the green "power good out" LEDs of both I/O subsystem DCAs.
Step 152h-24
Are all the green "power good out" LEDs of both I/O subsystem DCAs off?
Yes Go to "Step 152h-25".
No Call for support.
Step 152h-25
Remove the following adapter cards, if present, from the I/O subsystem. record the adapter locations:
v Adapter card at P2-I1
v Adapter card at P2-I2
v Adapter card at P2-I3
v Adapter card at P2-I4
v Adapter card at P2-I5
Step 152h-26
Turn on the power.
Step 152h-27
Did the system stop with the same error code as recorded in "Step 152h-1" on page 206?
Yes Go to "Step 152h-33" on page 210.
No Go to "Step 152h-28".
Step 152h-28
One of the cards just removed is defective.
Turn off the power.
Make sure all the green "power good out" LEDs of both I/O subsystem DCAs are off.
Step 152h-29
Reinsert one of the cards that is removed and listed in "Step 152h-25".
Chapter 3. Maintenance Analysis Procedures
209