Справочник Пользователя для IBM Type 7977
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.
Error
code
Description
Action
I9990305
An
operating
system
was
not
found.
1.
Make
sure
that
a
bootable
operating
system
is
installed.
2.
Run
the
hard
disk
drive
diagnostic
tests.
3.
Reseat
the
following
components:
a.
Hard
disk
drive
b.
SAS
hard
disk
drive
backplane
and
cables
c.
DVD
drive
and
cables
4.
Replace
the
following
components
one
at
a
time,
in
the
order
shown,
restarting
the
server
each
time:
a.
Hard
disk
drive
b.
SAS
hard
disk
drive
backplane
and
cables
c.
DVD
drive
and
cables
d.
(Trained
service
technician
only)
System
board
I9990650
AC
power
has
been
restored.
1.
Check
the
power
cables.
2.
Check
for
interruption
of
the
power
supply
(see
the
Problem
Determination
and
Service
Guide
on
the
IBM
System
x
Documentation
CD
for
information
on
the
power-supply
LEDs).
3.
Reseat
the
following
components:
a.
Power
supply
b.
(Trained
service
technician
only)
Power
backplane
4.
Replace
the
components
listed
in
step
one
at
a
time,
in
the
order
shown,
restarting
the
server
each
time.
76
IBM
System
x3500
Type
7977:
Installation
Guide