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
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
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
v
v
v
v
v
v
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
469
