↓ 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 component. Record the frame or tower type and go on to
step 4 of this procedure.
3. Record the bus number value, BBBB, of the IOP or IOA Direct Select Address.
See “SRC Address Formats” on page 936. Search for the bus number in HSM or
the System Configuration Listing to determine which frame or I/O tower
contains the failing component. Record the frame or tower type.
4. The failing component is the FRU containing the Multi-adapter bridge. Identify
the tower type indicated by the location in the SAL or where the bus number,
BBBB, is and exchange the FRU indicated in the table below using the
information provided in the table.
Table 25.
Towe r or
Machine Type
Name of FRU
to Exchange
FRU Position Link to Location
Diagram
Link to Failing
Component
Service
Information.
(CCIN, PN,
Removal and
Installation
Procedure)
FC 5074
Expansion I/O
tower
Tower Card CB1 “Locations — FC
5074 I/O Tower”
on page 736.
Table 44 on
page 737.
FC 5075
Expansion I/O
tower
Tower Card CB1 “Locations — FC
5075 I/O Tower”
on page 740.
Table 45 on
page 741.
FC 5078/0578
PCI expansion
unit
Tower Card CB1 “Locations — FC
5078, 0578 PCI
Expansion Unit”
on page 743.
Table 46 on
page 744.
FC 5079 (1.8m
expansion
tower)
Tower Card CB1 “Locations — FC
5079 I/O Tower”
on page 747.
Table 44 on
page 737.
Models 830 and
SB2 base I/O
tower (FC 9074)
Tower Card CB1 “Locations —
Models 830, SB2
System Unit with
FC 9074 Base I/O
Tower” on
page 709.
Table 41 on
page 710.
Models 840 and
SB3 base I/O
tower (FC 9079)
Tower Card CB1 Figure 36 on
page 724.
Table 43 on
page 725.
External xSeries
Server
Integrated
xSeries Adapter
Card
Follow the HSL
cables.
Go to “Locations
— Integrated
xSeries Adapter
Card (IXA),
Formerly the
Adapter for
Netfinity Server”
on page 748.
Go to Table 47 on
page 749.
Symbolic FRUs
Chapter 3. Problem Isolation Procedures (PIPs), Failing Items, and Symbolic FRU Isolation 555