IBM HS20 User Guide - Page 72

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Use the light path diagnostics feature to identify system errors quickly. See the "Light path diagnostics feature overview" on page 65 for more information. POST beep code descriptions POST emits one beep to signal successful completion. If POST detects a problem during startup, other beep codes might occur. Use the following beep code descriptions to help diagnose and resolve problems that are detected during startup. Note: See "Diagnostics" in the blade server Hardware Maintenance Manual and Troubleshooting Guide on the IBM BladeCenter Documentation CD or the IBM BladeCenter T Documentation CD that comes with your blade server for more information about the POST beep codes. One beep Indicates successful completion of POST. Repeating long beeps Indicates that a memory error has occurred. Make sure that all DIMMs are correctly installed. One long beep and two short beeps Indicates that a video error has occurred and the BIOS cannot initialize the monitor screen to display additional information. Beep codes for specific problems Beep codes indicating specific system problems are listed in the following table. Table 2. POST beep code descriptions Beep code Descriptions of the POST beep codes 1-1-4 BIOS ROM checksum in-progress or failure. All other beep codes Action: 1. Move the BIOS code page jumper (J12) to pins 2 and 3 to boot from the backup BIOS code page. 2. Restart the blade server and flash the BIOS code. 3. Move the BIOS code page jumper back to pins 1 and 2 and restart the blade server. If the problem remains, call for service. 1. Make sure that the system memory modules are installed correctly. 2. Turn off the blade server; then, restart the blade server. If the problem remains, call for service. 58 BladeCenter HS20 Type 8832: Installation and User's Guide

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Use
the
light
path
diagnostics
feature
to
identify
system
errors
quickly.
See
the
“Light
path
diagnostics
feature
overview”
on
page
65
for
more
information.
POST
beep
code
descriptions
POST
emits
one
beep
to
signal
successful
completion.
If
POST
detects
a
problem
during
startup,
other
beep
codes
might
occur.
Use
the
following
beep
code
descriptions
to
help
diagnose
and
resolve
problems
that
are
detected
during
startup.
Note:
See
“Diagnostics”
in
the
blade
server
Hardware
Maintenance
Manual
and
Troubleshooting
Guide
on
the
IBM
BladeCenter
Documentation
CD
or
the
IBM
BladeCenter
T
Documentation
CD
that
comes
with
your
blade
server
for
more
information
about
the
POST
beep
codes.
One
beep
Indicates
successful
completion
of
POST.
Repeating
long
beeps
Indicates
that
a
memory
error
has
occurred.
Make
sure
that
all
DIMMs
are
correctly
installed.
One
long
beep
and
two
short
beeps
Indicates
that
a
video
error
has
occurred
and
the
BIOS
cannot
initialize
the
monitor
screen
to
display
additional
information.
Beep
codes
for
specific
problems
Beep
codes
indicating
specific
system
problems
are
listed
in
the
following
table.
Table
2.
POST
beep
code
descriptions
Beep
code
Descriptions
of
the
POST
beep
codes
1-1-4
BIOS
ROM
checksum
in-progress
or
failure.
Action:
1.
Move
the
BIOS
code
page
jumper
(J12)
to
pins
2
and
3
to
boot
from
the
backup
BIOS
code
page.
2.
Restart
the
blade
server
and
flash
the
BIOS
code.
3.
Move
the
BIOS
code
page
jumper
back
to
pins
1
and
2
and
restart
the
blade
server.
If
the
problem
remains,
call
for
service.
All
other
beep
codes
1.
Make
sure
that
the
system
memory
modules
are
installed
correctly.
2.
Turn
off
the
blade
server;
then,
restart
the
blade
server.
If
the
problem
remains,
call
for
service.
58
BladeCenter
HS20
Type
8832:
Installation
and
User’s
Guide