a.
Check
the
modem,
modem
cable,
and
serial
port
for
loose
or
unconnected
cables.
Reset
the
service
processor
using
the
pinhole
reset
switch
on
the
primary
I/O
drawer
operator
panel.
b.
If
the
hang
repeats,
check
with
service
support
to
see
if
there
is
a
firmware
update
that
fixes
the
problem.
c.
If
there
is
not,
or
the
update
does
not
fix
the
problem,
replace
the
following
FRUs
one
at
a
time
in
this
order:
1)
Modem
cable
2)
Modem
3)
I/O
backplane
in
the
primary
I/O
drawer
d.
If
this
procedure
does
not
fix
the
problem,
call
service
support.
Chapter
4.
Checkpoints
143
Summary of Contents for RS/6000 Enterprise Server M80
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