IBM i 830, Repair Manual

Page: 539 / 1000

DEVBPLN
A device backplane may be failing.
Replace the device backplane. Use the device backplane information in the Service
Action Log. See “Locations and Addresses” on page 705 for location, part number,
and removal and installation procedure information.
DEVICE
The addressed storage device is the failing item. Perform the following:
1. Is the device location information available in the Service Action Log?
No Yes
↓
Exchange the failing item. See “Chapter 6. Data Recovery Procedures
and General System Information” on page 893.
Note: If the failing item is in a migration tower, go to Chapter 6 in the
Migrated Expansion Tower Problem Analysis, Repair and Parts .
This ends the procedure.
2. Find the IOP address and the device address (see “SRC Address Formats” on
page 936).
3. To determine the location of the I/O processor card, see “Locations and
Addresses” on page 705 and find the diagram of the system unit or the
expansion unit. Then, find:
v
The IOP card location identified by the direct select address.
v
The addressed storage device location identified by the device address.
4. Exchange the failing device. Use the device type to determine the part.
DEVTERM
The device terminating plug may be failing.
Perform the following:
1. Find the IOA type:
a.
Find the IOA location information in the Service Action Log if it is
available. If the location is not available, find the address of the IOA. See
“SRC Address Formats” on page 936. Use the address to find the location.
See “Locations and Addresses” on page 705.
If the failing item is in a migration tower, go to the DEVTERM symbolic
FRU in
Migrated Expansion Tower Problem Analysis, Repair and Parts .
b. Find the IOA card in the system and read the type number of the card at
that location.
2. Use the information in the following list to determine the failing terminating
plug:
Storage IOA Type Action
2749 For device types 3490, 3570, and 3590, use
part 61G8324. For device type 3995, see
FI00880 in the Failing Item (FI) Code Table.
For all other devices, use part 85F7887.
2768 For device type 7207, use part 52G9907.
Symbolic FRUs
Chapter 3. Problem Isolation Procedures (PIPs), Failing Items, and Symbolic FRU Isolation
525