28. Power on the IOA by pressing the Power on domain function key. Reassign the
IOA to the IOP. Return to the HSL resources screen, showing the IOP and
associated resources.
29. Is there another IOA associated with the IOP?
No Yes
↓ Move the cursor to the next IOA assigned to the IOP. Go to step 21 on
page 310 of this procedure.
30. Go to step 34 of this procedure.
31. The failing IOA is located. Exchange the I/O adapter that you just powered
off. For help in locating the IOA, select the Display detail option and record the
location.
32. Power on the IOA that you just exchanged.
Does the same SRC that sent you to this procedure still occur?
Yes No
↓ The failing item is the IOA that you just exchanged. Go to “BUS PIP
VERIFY - RA” on page 323.
This ends the procedure.
33. The IOA is not the failing item. Remove the IOA and reinstall the original
IOA.
34. No failing IOAs were identified. Return to the procedure that sent you here.
This ends the procedure.
BUS PIP IOP-03
Introduction: This procedure isolates a failing PCI I/O adapter card from an SRC.
1. The removal and installation of all FRUs in this procedure must be
performed using ″Dedicated Maintenance″.
2. Determine the ″PCI Bridge Set″ (multi-adapter bridge domain) by performing
the following:
a. Record the bus number (BBBB), the multi-adapter bridge number (C) and
the multi-adapter bridge function number (c) from the Direct Select
Address (DSA). See “Breaking Down The SRC” on page 280 for help in
determining these values.
b. Use the bus number that you recorded and the ″System Configuration
Listing″ or ask the customer to determine what frame the bus is in.
c. Record the frame type where the bus is located.
d. The ″PCI Bridge Set″ is the group of card positions controlled by the same
multi-adapter bridge on the bus that you recorded. Use the ″System
Configuration Listing″, the card position table for the frame type that you
recorded, the bus number, and the multi-adapter bridge number to
determine the ″PCI Bridge Set″ where the failure occurred. Refer to the
“Card Position Tables” on page 282 to locate the card position table for the
frame type that you recorded.
e. Using the card position table, record the ″PCI Bridge Set″ card positions,
and multi-adapter bridge function numbers in “Appendix H. Installed
Features in a PCI Bridge Set Form” on page 969.
f. Examine the ″PCI Bridge Set″ in the frame and record the information in
“Appendix H. Installed Features in a PCI Bridge Set Form” on page 969 for
all of the positions with IOP and IOA cards installed in them.
Bus, High-Speed Link (HSL) PIPs
Chapter 3. Problem Isolation Procedures (PIPs), Failing Items, and Symbolic FRU Isolation 311
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