IBM 8863 Service Guide - Page 92

Recovering, update, failure

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v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved. v See Chapter 3, "Parts listing, Type 8863," on page 93 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 305-xxx-xxx Failed video monitor test. 1. Reseat the following components: a. Monitor b. I/O board 2. Replace the components listed in step 1 one at a time, in the order shown, restarting the server each time. 405-xxx-000 Failed Ethernet test on controller on I/O board. 1. Make sure that Ethernet is not disabled in the Configuration/Setup Utility program and that the BIOS code is at the latest level. 2. Run the loopback diagnostic. 3. Reseat the I/O board. 4. Replace the I/O board. 405-xxx-00n No good link! Check loopback plug. 1. Make sure that the loopback plug is a gigabit loopback plug (see "Solving Ethernet controller problems" on page 90). 2. Check for any loose connections between the loopback plug and the Ethernet connector. Recovering from a BIOS update failure If the BIOS code in the server has become damaged, such as from a power failure during an update, your server has an advanced recovery feature that will automatically switch to a backup BIOS page. The flash memory of the server consists of a primary page and a backup page. If the BIOS code in the primary page is damaged, the onboard baseboard management controller will detect the error and automatically switch to the backup page to start the server. In this event, a POST warning message "Booted from backup POST/BIOS image" will be displayed. Note: The backup page version may not be the same version as the primary image. You can then recover or restore the original primary page BIOS by using the BIOS flash diskette. Note: To create and use a diskette, you must add an optional external diskette drive to the server. To recover the BIOS code and restore the server operation to the primary bank, complete the following steps: 1. Download the latest version of the BIOS code from http://www.ibm.com/support/. 2. Update the BIOS code, following the instructions that come with the update file that you downloaded. This will automatically restore/update the primary page. 76 IBM xSeries 366 Type 8863: Problem Determination and Service Guide

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v
Follow
the
suggested
actions
in
the
order
in
which
they
are
listed
in
the
Action
column
until
the
problem
is
solved.
v
See
Chapter
3,
“Parts
listing,
Type
8863,”
on
page
93
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
305-xxx-xxx
Failed
video
monitor
test.
1.
Reseat
the
following
components:
a.
Monitor
b.
I/O
board
2.
Replace
the
components
listed
in
step
1
one
at
a
time,
in
the
order
shown,
restarting
the
server
each
time.
405-xxx-000
Failed
Ethernet
test
on
controller
on
I/O
board.
1.
Make
sure
that
Ethernet
is
not
disabled
in
the
Configuration/Setup
Utility
program
and
that
the
BIOS
code
is
at
the
latest
level.
2.
Run
the
loopback
diagnostic.
3.
Reseat
the
I/O
board.
4.
Replace
the
I/O
board.
405-xxx-00n
No
good
link!
Check
loopback
plug.
1.
Make
sure
that
the
loopback
plug
is
a
gigabit
loopback
plug
(see
“Solving
Ethernet
controller
problems”
on
page
90).
2.
Check
for
any
loose
connections
between
the
loopback
plug
and
the
Ethernet
connector.
Recovering
from
a
BIOS
update
failure
If
the
BIOS
code
in
the
server
has
become
damaged,
such
as
from
a
power
failure
during
an
update,
your
server
has
an
advanced
recovery
feature
that
will
automatically
switch
to
a
backup
BIOS
page.
The
flash
memory
of
the
server
consists
of
a
primary
page
and
a
backup
page.
If
the
BIOS
code
in
the
primary
page
is
damaged,
the
onboard
baseboard
management
controller
will
detect
the
error
and
automatically
switch
to
the
backup
page
to
start
the
server.
In
this
event,
a
POST
warning
message
“Booted
from
backup
POST/BIOS
image”
will
be
displayed.
Note:
The
backup
page
version
may
not
be
the
same
version
as
the
primary
image.
You
can
then
recover
or
restore
the
original
primary
page
BIOS
by
using
the
BIOS
flash
diskette.
Note:
To
create
and
use
a
diskette,
you
must
add
an
optional
external
diskette
drive
to
the
server.
To
recover
the
BIOS
code
and
restore
the
server
operation
to
the
primary
bank,
complete
the
following
steps:
1.
Download
the
latest
version
of
the
BIOS
code
from
2.
Update
the
BIOS
code,
following
the
instructions
that
come
with
the
update
file
that
you
downloaded.
This
will
automatically
restore/update
the
primary
page.
76
IBM
xSeries
366
Type
8863:
Problem
Determination
and
Service
Guide