BSTWRPL
For use by authorized service providers.
BSTWRPL: Base I/O tower PCI board.
The failing component is the tower card in the FC 9074 Base I/O Tower for Models 830/SB2, an FC 9079
Base I/O Tower for Models 840/SB3, or an FC 9094 Base I/O Tower for a Model 870 or 890.
Identify the system model you are working on and exchange the tower card with the information in the
table below:
System model Name of FRU to exchange FRU position Link to failing component service
information (CCIN, locations diagram,
remove and replace procedure)
Models 830 and SB2 Tower card CB1 Locations - Models 830/SB2 system unit
with FC 9074 base I/O tower.
Models 840 and SB3 Tower card CB1 Locations - Models 840/SB3 system unit
with processor tower and FC 9079 base
I/O tower.
Models 870 and 890 Tower card CB1 Locations - Models 870 and 890 with an
FC 9094 Base I/O Tower.
This ends the procedure.
BUS1
For use by authorized service providers.
The failing item is any card, cable or card enclosure connected to bus 1 that might cause an interface
failure between the service processor and the system unit processor.
The system unit or the base I/O tower has failed and the diagnostic software was not able to isolate the
failure to a single FRU.
1. Check the last IPL status code in SRC data word 3 in the second half of control panel function 12.
12
xxxxxxxxxxxxSSSS SSSS = IPL status code
xxxxxxxxxxxxxxxx
2. Choose from the following options:
v If this value is 2000 through 2009 then use the “IPLINTF” on page 350 symbolic FRU instead of
following this procedure.
v If this value is 200A through 2018, then continue with the next step.
3. Attempt a SLOW OVERRIDE IPL to run full processor hardware diagnostics.
a. Power off the system from the control panel.
b. Change the IPL mode to manual, and the IPL speed to SLOW OVERRIDE (S) using control panel
function 2.
c. Power on the system.
Does
the same SRC occur?
v Yes: Continue with the next step.
v No: Go to “Starting point for all problems” on page 2 and follow the service actions for the new
SRC.
This
ends the procedure.
4. Choose from the following options:
Analyze hardware problems 289
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