– Processor Card in location M02
– Memory Riser Card in location M01
This ends the procedure.
6.
This is a Model 820. See Locations — Model 820. Replace the following FRUs in order one at a time
until the problem is resolved. Be sure to IPL in SLOW OVERRIDE mode after each replacement.
v Memory riser card in location M01
v Memory riser card in location M02
v Processor card in location M03
This ends the procedure.
7.
Is this system a Model 830 with SB2 system unit and FC 9074?
v No: Continue with the next step.
v Yes: See Locations — Models 830, SB2 system unit with FC 9074 base I/O tower.
Replace the following FRUs in order one at a time until the problem is resolved. Be sure to IPL in
SLOW OVERRIDE mode after each replacement. See Remove and replace procedures.
a. Memory riser card in location M02 in the system unit
b. Memory riser card in location M05 in the system unit
8.
This is a Model 840, SB3 system unit and FC 9079 base I/O tower.
See Locations — Models 840, SB3 system unit with processor tower and FC 9079 base I/O tower.
Replace the following FRUs in order one at a time until the problem is resolved. Be sure to IPL in
SLOW OVERRIDE mode after each replacement. See Remove and replace procedures.
a. Memory cards in bank A in the system unit
b. Memory cards in bank B in the system unit
c. Memory cards in bank C in the system unit
d. Memory cards in bank D in the system unit
This
ends the procedure.
MUMIOCD
For use by authorized service providers.
The failing item may be the tower card or the high-speed link (HSL) I/O adapter card.
Is the location from the Reference code table CB1?
v Yes: The failing item may be the tower card. Exchange the tower card in position CB1. To determine
CCIN, part number, and remove and replace procedure, locate card position CB1 and FRU name
″Tower card″ from the following:
– For Model 830, SB2 see FRU locations and failing components for Models 830, SB2 system unit
with FC 9074 base I/O tower table.
– For Model 840, SB3 see FRU locations and failing components for FC 9079 base I/O tower table.
This ends the procedure.
- No: The HSL I/O bridge card may be the failing item. Exchange the HSL I/O bridge card in location
C08. To determine the CCIN, part number, and remove and replace procedure, locate card position C08
and FRU name ″HSL I/O bridge card″ from the following:
v For Model 830, SB2 see FRU locations and failing components for Models 830, SB2 system unit with
FC 9074 base I/O tower table.
v For Model 840, SB3 see FRU locations and failing components for FC 9079 base I/O tower table.
This
ends the procedure.
Analyze hardware problems 405
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