4
3
2
1
3
2
1-2
Normal
2-3
Recovery
S
1
W
Boot block
recovery jumper (J5)
2
3
5
6
7
Password
override
1
8
Force
BMC
override
Force
power-on
SW2
NMI button
6.
Remove
the
BIOS
boot
block
jumper
from
pins
1
and
2,
and
place
it
on
pins
2
and
3.
7.
Replace
any
components
that
were
removed.
8.
Replace
the
cover.
9.
Connect
the
server
to
a
power
source,
keyboard,
monitor,
and
mouse.
10.
If
the
diskette
drive
contains
a
diskette,
remove
it.
11.
Insert
into
the
diskette
drive
the
BIOS
recovery
diskette
that
you
have
created
from
http://www.ibm.com/support/.
12.
Turn
on
the
server
and
the
monitor.
13.
After
the
update
session
is
completed,
turn
off
the
server
and
monitor.
14.
Remove
the
diskette
from
the
diskette
drive.
15.
Disconnect
all
power
cords
and
external
cables.
16.
Remove
the
cover.
17.
Remove
any
components
that
impede
access
to
the
jumper
block.
18.
Remove
the
BIOS
boot
backup
jumper
from
pins
2
and
3,
and
place
it
on
pins
1
and
2.
19.
Replace
any
components
that
were
removed.
98
xSeries
236
Type
8841:
Hardware
Maintenance
Manual
and
Troubleshooting
Guide
Summary of Contents for 884155U
Page 1: ...xSeries 236 Type 8841 Hardware Maintenance Manual and Troubleshooting Guide...
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Page 173: ...Appendix B Safety information 163...
Page 174: ...164 xSeries 236 Type 8841 Hardware Maintenance Manual and Troubleshooting Guide...
Page 175: ...Appendix B Safety information 165...
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Page 177: ...Appendix B Safety information 167...
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Page 179: ...Appendix B Safety information 169...
Page 189: ...Appendix B Safety information 179...
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Page 191: ...Appendix B Safety information 181...
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Page 210: ...Part Number 25K8114 1P P N 25K8114...