Справочник Пользователя для IBM Type 7977

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Troubleshooting
 
tables
 
Use
 
the
 
troubleshooting
 
tables
 
to
 
find
 
solutions
 
to
 
problems
 
that
 
have
 
identifiable
 
symptoms.
 
If
 
you
 
cannot
 
find
 
the
 
problem
 
in
 
these
 
tables,
 
see
 
the
 
Problem
 
Determination
 
and
 
Service
 
Guide
 
on
 
the
 
IBM
 
System
 
x
 
Documentation
 
CD
 
for
 
information
 
about
 
testing
 
the
 
server.
 
If
 
you
 
have
 
just
 
added
 
new
 
software
 
or
 
a
 
new
 
optional
 
device
 
and
 
the
 
server
 
is
 
not
 
working,
 
complete
 
the
 
following
 
steps
 
before
 
using
 
the
 
troubleshooting
 
tables:
 
1.
   
Check
 
the
 
light
 
path
 
diagnostics
 
LEDs
 
on
 
the
 
operator
 
information
 
panel
 
(see
 
 
2.
   
Remove
 
the
 
software
 
or
 
device
 
that
 
you
 
just
 
added.
 
3.
   
Run
 
the
 
diagnostic
 
tests
 
to
 
determine
 
whether
 
the
 
server
 
is
 
running
 
correctly.
 
4.
   
Reinstall
 
the
 
new
 
software
 
or
 
new
 
device.
DVD
 
drive
 
problems
 
 
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
 
Problem
 
Determination
 
and
 
Service
 
Guide
 
on
 
the
 
IBM
 
System
 
x
 
Documentation
 
CD
 
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.
 
Symptom
 
Action
 
The
 
DVD
 
drive
 
is
 
not
 
recognized.
 
1.
   
Make
 
sure
 
that:
 
v
   
The
 
IDE
 
channel
 
to
 
which
 
the
 
DVD
 
drive
 
is
 
attached
 
(primary
 
or
 
secondary)
 
is
 
enabled
 
in
 
the
 
Configuration/Setup
 
Utility
 
program.
 
v
   
All
 
cables
 
and
 
jumpers
 
are
 
installed
 
correctly.
 
v
   
The
 
signal
 
cable
 
and
 
connector
 
are
 
not
 
damaged
 
and
 
the
 
connector
 
pins
 
are
 
not
 
bent.
 
v
   
The
 
correct
 
device
 
driver
 
is
 
installed
 
for
 
the
 
DVD
 
drive.
2.
   
Run
 
the
 
DVD
 
drive
 
diagnostic
 
programs.
 
3.
   
Reseat
 
the
 
following
 
components:
 
a.
   
DVD
 
drive
 
b.
   
DVD
 
drive
 
cable
4.
   
Replace
 
the
 
following
 
components
 
one
 
at
 
a
 
time,
 
in
 
the
 
order
 
shown,
 
restarting
 
the
 
server
 
each
 
time:
 
a.
   
DVD
 
drive
 
b.
   
DVD
 
drive
 
and
 
cables
 
c.
   
(Trained
 
service
 
technician
 
only)
 
System
 
board
 
A
 
DVD
 
is
 
not
 
working
 
correctly.
 
1.
   
Clean
 
the
 
DVD.
 
2.
   
Run
 
the
 
DVD
 
drive
 
diagnostic
 
programs.
 
3.
   
Reseat
 
the
 
DVD
 
drive.
 
4.
   
Replace
 
the
 
DVD
 
drive.
 
 
Chapter
 
5.
 
Solving
 
problems
 
77