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Bus SRN to FRU Reference Table
This table is used to locate defective FRUs within the system board PCI and ISA buses.
The table indicates which devices should be tested for each SRN. For this procedure, if
possible, diagnostics are run on the system board bus devices with all adapters
removed from the failing bus. If a failure is detected on this system with all adapters
removed from the failing bus, the system board is the isolated FRU. If a failure is not
detected, the adapters are added back one at a time, to their original slot location, and
the configuration is tested until a failure is detected. The failure is then isolated to the
failing FRU.
If a failure has not been detected and all the FRUs have been tested, call technical
service support for assistance.
Table 5. Bus SRN to FRU Reference Table
SRN
Bus
Identification
Possible Failing Device and AIX
Location Code
Associated FRU
9CC-100
PCI Bus 00
Internal SCSI port (10-60)
System board.
(See notes on
page 115.)
Internal/external SCSI port (10-61)
System board.
(See notes on
page 115.)
Internal Ethernet port (10-80)
System board.
(See notes on
page 115.)
Device installed in I/O slot 3 (10-68
to 10-6F)
Adapter
Device installed in I/O slot 4 (10-70
to 10-77)
Adapter
Device installed in I/O slot 5 (10-78
to 10-7F)
Adapter
9CC-101
PCI Bus 40
Device installed in I/O slot 1 (20-58
to 20-5F)
Adapter
Device installed in I/O slot 2 (20-60
to 20-67)
Adapter
651-730
ISA Bus
Diskette drive port/device
(01-D1-00-00)
System board.
(See notes on
page 115.)
Parallel port/device (01-R1)
System board.
(See notes on
page 115.)
Serial ports (1, 2, 3)/device (01-S1,
01-S2, 01-S3)
System board.
(See notes on
page 115.)
Mouse port/device (01-K1-01-00)
System board.
(See notes on
page 115.)
Keyboard port/device (01-K1-00-00)
System board.
(See notes on
page 115.)
178
Service Guide
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