v Otherwise, record the bus number value, BBBB, in word 7 of the SRC, see “Breaking down the
SRC” on page 63 (in the Bus PIP overview) for help in determining the bus number. Search for the
decimal bus number in HSM or the System Configuration Listing to determine which frame or I/O
tower contains the failing item. From the Hardware Service Manager screen select Logical
Hardware Resources —> System Bus resources. Move the cursor to a system bus object and
select Display Detail. Do this for each bus until you find the bus on which you are working. Record
the frame or tower type.
2. Use the system model, tower, expansion unit, or machine type and the table below to determine the
service information for the failing component.
System model, tower,
expansion unit, or
machine type
Name of FRU to exchange Link to failing component service information (CCIN,
locations diagram, remove and replace procedure).
Model 270 System unit backplane Go to Locations - Model 270 and follow the Locations
diagram link for the processor feature code (characters 5
through 8 of function 20 on the control panel).
Models 800 and 810 System unit backplane See Locations - Models 800 and 810
Model 820 System unit backplane See Locations - Model 820.
Model 825 System unit backplane See Locations - Model 825
Models 830 and SB2 with
FC 9074 base I/O tower
HSL I/O bridge card See Locations - Models 830/SB2 system unit with FC
9074 base I/O tower.
Models 840 and SB3 base
I/O tower (FC 9079)
HSL I/O bridge card See Locations - Models 840/SB3 system unit with
processor tower and FC 9079 base I/O tower.
Models 870 and 890 HSL I/O bridge card See Locations - Models 870 and 890.
FC 5074 expansion I/O
tower
HSL I/O bridge card See Locations - FC 5074 expansion I/O tower.
FC 5075 expansion I/O
tower
Tower card See Locations - FC 5075 expansion I/O tower.
FC 5078, FC 0578
expansion I/O tower
HSL I/O bridge card See Locations - FC 5078, 0578 expansion I/O unit.
FC 5079 (1.8m expansion
I/O tower)
HSL I/O bridge card See Locations - FC 5079 expansion I/O tower.
FC 5088, FC 0588
expansion I/O unit
HSL I/O bridge card See Locations - FC 5088, FC 0588 expansion I/O unit.
FC 5094, FC 5294
expansion I/O unit
HSL I/O bridge card See Locations - FC 5094 expansion I/O unit or Locations
- FC 5294 expansion I/O unit.
FC 5095, FC 0595
expansion I/O tower
HSL I/O bridge card See Locations - FC 5095, FC 0595 expansion I/O unit.
External xSeries
(TM)
Server Integrated xSeries
(TM)
Adapter Card
See Locations - Integrated xSeries
(TM)
Adapter Card
(IXA).
This ends the procedure.
SIRGCBL
For use by authorized service providers.
SIRGCBL: high-speed link (HSL) loop cable.
This failing component is an HSL loop cable, the HSL loop connections (external, internal, or embedded),
an internal HSL ribbon cable, an HSL link embedded in a FRU, or an HSL interposer card in an HSL loop.
Analyze hardware problems 453
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