Tapcln; Tapcnfg; Tod; Twrbkpl - IBM iSeries Series Hardware Problem Analysis And Isolation

i. System unit backplane in location MB1
j. Memory cards in bank A
k. Memory cards in bank B
l. Memory cards in bank C
m. Memory cards in bank D
This ends the procedure.
9. See Locations — Models 870 and 890 with an FC 9094 Base I/O tower.
Replace the following FRUs in the processor tower 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. Clock card in location M15
b. Bulk power regulators in locations BPR-1A, BPR-2A, BPR-3A, BPR-1B, BPR-2B, BPR-3B
c. Network interface controller (NIC) card in location M41
d. System processors in positions M21, M16, M11, and M14
e. System unit backplane in location MB1
f. Memory cards in locations M01, M02, M07, M08, M17, M18, M24, M25
This ends the procedure.

TAPCLN

For use by authorized service providers.
Clean the tape unit.

TAPCNFG

For use by authorized service providers.
Tape and DASD devices are attached to an I/O Processor that can not support both tape and DASD at the
same time.

TOD

For use by authorized service providers.
The time of day battery may be failing.
Exchange the time of day battery. For location and part number information, see the following:
v Locations — Model 270
v Locations — Models 800 and 810
v Locations — Model 820
v Locations — Model 825
v Models 830 and SB2 with FC 9074 - Final assembly, rear
v Final assembly - FC 9079 Base I/O Tower (Models 840 and SB3)
v Locations - Models 870 and 890
Use the table in the locations section to find the remove and replace procedure.
This ends the procedure.

TWRBKPL

For use by authorized service providers.
TWRBKPL: I/O tower PCI card backplane.
The failing item is the tower card in an FC 5075 or FC 5095 Expansion I/O Tower.
Analyze hardware problems
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