Chapter
2.
General
checkout

Use

this

general

checkout

procedure

is
for

computers

supported

by
this

Hardware

Maintenance

Manual.

Attention:
The
drives
in
the
computer
you
are
servicing
might
have
been
rearranged
or
the
drive
startup
sequence
changed.
Be
extremely
careful
during
write
operations
such
as
copying,
saving
or
formatting.
Data
or
programs
can
be
overwritten
if
you
select
an
incorrect
drive.

Diagnostic

error

messages

appear

when
a
test

program

finds

a
problem
with
a

hardware

option.

For
the
test

programs

to

properly

determine

if

a
test

Passed,

Failed

or

Aborted,

the
test

programs

check

the

error-return

code

at

test

completion.

See

“Diagnostics”

on
page

16.

General

error

messages

appear

if

a
problem
or

conflict

is

found

by

an

application

program,

the

operating

system,

or

both.

For

an

explanation

of

these

messages,

refer

to
the

information

supplied

with

that

software

package.

Notes:
v
The
default
boot
for
this
computer
is
to
start
up
quiet
(no
beep
and
no
memory
count
and
checkpoint
code
display)
when
no
errors
are
detected
by
POST.
v
To
enable
beep
and
memory
count
and
checkpoint
code
display
when
a
successful
POST
occurs,
do
the
following:
1.
Select
Start
Options
in
the
Configuration/Setup
Utility
program
(see
“Setup
Utility
program”
on
page
14.
2.
Set
Power-On
Self-Test
to
Enhanced.
v
Before
replacing
any
FRUs,
ensure
that
the
latest
level
of
BIOS
is
installed
on
the
system.
A
down-level
BIOS
might
cause
false
errors
and
unnecessary
replacement
of
the
system
board.
For
more
information
on
how
to
determine
and
obtain
the
latest
level
BIOS,
see
“BIOS
levels”
on
page
181.
v
If
multiple
error
codes
are
displayed,
diagnose
the
first
error
code
displayed.
v
If
the
computer
hangs
with
a
POST
error,
go
to
Chapter
7,
“Symptom-to-FRU
index,”
on
page
47.
v
If
the
computer
hangs
and
no
error
is
displayed,
go
to
“Undetermined
problems”
on
page
87.
v
If
an
installed
device
is
not
recognized
by
the
diagnostics
program,
that
device
might
be
defective.

001

1.

Power-off

the
computer
and
all

external

devices.

2.

Check

all
cables
and

power

cords.

3.

Make

sure

the

system

board

is

seated

properly.

4.

Set

all

display

controls

to
the

middle

position.

5.

Power-on

all

external

devices.

6.

Power-on

the
computer.

7.

Check

for
the
following

response:

v

Readable

instructions

or
the

Main

Menu.

©
Copyright
IBM
Corp.
2004
3