IBM i 830, Repair Manual

Page: 323 / 1000

5. Select the
″
Logical hardware resources
″
option.
6.
Select the
″
System bus resources
″
option.
7. Page forward until you find the IOP that you want to reset. For help in
identifying the IOP from the Direct Select Address (DSA) in the SRC, see
“Breaking Down The SRC” on page 280.
8. Verify that the IOP are correct by matching the resource name(s) on the screen
with the resource name(s) in the
″
Service Action Log
″
(SAL) for the problem
you are working on.
9. Move the cursor to the IOP that you want to reset and select the
″
I/O Debug
″
option for that IOP.
10. Select the
″
Reset IOP
″
option.
11.
Select the
″
IPL IOP
″
option.
This ends the procedure.
BUS PIP IOP-02, Isolate to Failing I/O Adapter Resource
This procedure will isolate a failing I/O adapter under an IOP. The procedure will
iterate through each IOA under the IOP, powering each one off, and then resetting
the IOP. This process will be repeated until the failing IOA is isolated.
1. Does the system IPL to DST?
Yes No
↓
Perform “BUS PIP IOP-03” on page 311.
This ends the procedure.
2. From the SAL screen for the SRC, record the count.
3.
Go to the SST/DST screen in the partition which reported the problem. Use
STRSST if OS/400 is running, use
function 21 if STRSST does not work, or IPL
the partition to DST.
4. On the Start Service Tools Sign On display, type in a User ID with QSRV
authority and Password.
5. Select the
″
Start a service tool
″
option.
6. Select the
″
Hardware service manager
″
option.
7. Select the
″
Logical hardware resources
″
option.
8.
Select the
″
System bus resources
″
option.
9. Is there a resource name logged in the SAL entry?
No Yes
↓
Go to step 18 on page 310 of this procedure.
10. Do you have a location for the I/O processor?
No Yes
↓
Go to step 15 on page 310 of this procedure.
11. Record word 7 (the Direct Select Address (DSA)) of the SRC from the SAL
display.
12. Return to the HSM
″
System bus resources
″
display.
13.
Locate the I/O processor by performing the following:
a. Select the
″
Display detail
″
option.
b.
Compare the DSA from word 7 with the bus, card, board information for
the IOP.
Bus, High-Speed Link (HSL) PIPs
Chapter 3. Problem Isolation Procedures (PIPs), Failing Items, and Symbolic FRU Isolation
309