Notes:
v
Type
2296,
8191,
8198,
8199,
8316,
and
8434
computers
default
to
come
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
IBM
Setup
Utility
program
(see
Chapter
5,
“IBM
Setup
Utility
program,”
on
page
21).
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
111.
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
69.
v
If
the
computer
hangs
and
no
error
is
displayed,
go
to
“Undetermined
problems”
on
page
108.
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.
DID
YOU
RECEIVE
THE
CORRECT
RESPONSE?
If
NO,
continue
to
002.
If
YES,
proceed
to
003.
002
If
the
Power
Management
feature
is
enabled,
do
the
following:
1.
Start
the
IBM
Setup
Utility
program
(see
Chapter
5,
“IBM
Setup
Utility
program,”
on
page
21).
2.
Select
Power
Management
from
the
IBM
Setup
Utility
program
menu.
3.
Select
APM.
4.
Be
sure
APM
BIOS
Mode
is
set
to
Disabled.
If
it
is
not,
press
Left
Arrow
(←)
or
Right
Arrow
(→)
to
change
the
setting.
5.
Select
Automatic
Hardware
Power
Management.
6.
Set
Automatic
Hardware
Power
Management
to
Disabled.
7.
If
the
problem
persists,
continue
to
003.
12
Hardware
Maintenance
Manual