v
Follow
the
suggested
actions
in
the
order
in
which
they
are
listed
in
the
Action
column
until
the
problem
is
solved.
v
See
the
parts
listing
in
the
Problem
Determination
and
Service
Guide
to
determine
which
components
are
customer
replaceable
units
(CRU)
and
which
components
are
field
replaceable
units
(FRU).
v
If
an
action
step
is
preceded
by
“(Trained
service
technician
only),”
that
step
must
be
performed
only
by
a
trained
service
technician.
An
IBM
optional
device
that
used
to
work
does
not
work
now.
1.
Make
sure
that
all
of
the
hardware
and
cable
connections
for
the
device
are
secure.
2.
If
the
device
comes
with
test
instructions,
use
those
instructions
to
test
the
device.
3.
If
the
failing
device
is
a
SCSI
device,
make
sure
that:
v
The
cables
for
all
external
SCSI
devices
are
connected
correctly.
v
The
last
device
in
each
SCSI
chain,
or
the
end
of
the
SCSI
cable,
is
terminated
correctly.
v
Any
external
SCSI
device
is
turned
on.
You
must
turn
on
an
external
SCSI
device
before
turning
on
the
server.
4.
Reseat
the
failing
device.
5.
Replace
the
failing
device.
Chapter
6.
Solving
problems
51
Содержание x3800 - System - 8865
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