2.
Table 28.
Tower Name of FRU
to Exchange
FRU Position Link to
Location
Diagram
Link to Failing
Component Service
Information. (CCIN, PN,
Removal and Installation
Procedure)
FC 5075 Tower Card CB1 “Locations —
FC 5075 I/O
Tower” on
page 740
Table 45 on page 741
This ends the procedure.
PPCITWR
PPCITWR: Primary PCI bus in an I/O tower.
There are potentially two failing components. The HSL I/O bridge card and the
Tower Card in a FC 5074 expansion tower, FC 9074 base I/O tower, FC 5078/0578
PCI expansion unit, or a FC 9079 base I/O tower.
1. If you are using the Service Action Log (SAL) and there is a frame ID given for
this FRU, then that is the frame with the failing component or components.
Continue with the next step of this procedure. Otherwise, determine the
location of the frame using the DSA in the SRC. Record the bus number value,
BBBB, in word 7 of the SRC, see “Breaking Down The SRC” on page 280 for
help in determining the bus number. Search for the bus number in HSM or the
System Configuration Listing to determine which tower contains the failing
component. Record the tower type.
2. Exchange symbolic FRU “SIADPCD” on page 582 and return here.
3. If the problem still exists after powering on the tower then exchange symbolic
FRU “TWRPLNR” on page 602.
This ends the procedure.
PRI_PCI
PRI_PCI: Primary PCI bus.
This is a PCI bus generated under an HSL I/O bridge.
1. If you are working from the Service Action Log and a card position is listed
with this failing item, then that is the where the error is located, continue with
the next step in this procedure. Otherwise, record the bus number value, BBBB,
in word 7 of the SRC, see “Breaking Down The SRC” on page 280 for help in
determining the bus number. Search for the bus number in HSM or the System
Configuration Listing to determine which frame or I/O tower contains the
failing item. Record the frame or tower type.
2. Use the following table to determine which symbolic FRU or FRUs to go to for
PRI_PCI.
Symbolic FRUs
Chapter 3. Problem Isolation Procedures (PIPs), Failing Items, and Symbolic FRU Isolation 567
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