IBM 84885BU User Manual - Page 29

Erasing, forgotten, password, clearing

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7. Remove the boot block recovery jumper from pins 1 and 2 and set the jumper in a safe place. 8. Replace any adapters that were removed. 9. Replace the frame-support bracket (see "Removing and installing the support bracket" on page 32). 10. Replace the side cover (see "Removing the side cover" on page 28). 11. Connect the server to a power source, keyboard, monitor, and mouse. 12. If the diskette drive contains a diskette, remove it. 13. Insert into the diskette drive the BIOS recovery diskette that you have created from http://www.ibm.com/pc/support/. 14. Turn on the server and the monitor. 15. After the update session is completed, turn off the server and monitor. 16. Remove the diskette from the diskette drive. 17. Disconnect all power cords and external cables; then, remove the side cover. 18. Remove the side cover. 19. Remove the frame-support bracket. 20. Remove any adapters that impede access to the jumper block. 21. Replace the boot block recovery jumper onto pins 1 and 2. 22. Replace any adapters that were removed. 23. Replace the frame-support bracket. 24. Reinstall the side cover. 25. Reconnect all external cables and power cords and turn on the peripheral devices. 26. Turn on the server to restart the operating system. Erasing a lost or forgotten password (clearing CMOS) This section applies to lost or forgotten passwords. For general information about passwords, see the User's Guide on the IBM Documentation CD. Complete the following steps to set the CMOS recovery jumper and erase a forgotten password: 1. Read Appendix B, "Safety information," on page 143 and "Handling static-sensitive devices" on page 26. 2. Turn off the server and all attached devices. 3. Disconnect the power cord, and disconnect all external cables. 4. Remove the side cover (see "Removing the side cover" on page 28). 5. Remove the support bracket (see "Removing and installing the support bracket" on page 32). 6. Locate the CMOS recovery jumper (JCMOS1) on the system board, removing any adapters or other components that impede access to the jumper. The following illustration shows the location of the jumper on the system board. Chapter 3. Diagnostics 19

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7.
Remove
the
boot
block
recovery
jumper
from
pins
1
and
2
and
set
the
jumper
in
a
safe
place.
8.
Replace
any
adapters
that
were
removed.
9.
Replace
the
frame-support
bracket
(see
“Removing
and
installing
the
support
bracket”
on
page
32).
10.
Replace
the
side
cover
(see
“Removing
the
side
cover”
on
page
28).
11.
Connect
the
server
to
a
power
source,
keyboard,
monitor,
and
mouse.
12.
If
the
diskette
drive
contains
a
diskette,
remove
it.
13.
Insert
into
the
diskette
drive
the
BIOS
recovery
diskette
that
you
have
created
from
14.
Turn
on
the
server
and
the
monitor.
15.
After
the
update
session
is
completed,
turn
off
the
server
and
monitor.
16.
Remove
the
diskette
from
the
diskette
drive.
17.
Disconnect
all
power
cords
and
external
cables;
then,
remove
the
side
cover.
18.
Remove
the
side
cover.
19.
Remove
the
frame-support
bracket.
20.
Remove
any
adapters
that
impede
access
to
the
jumper
block.
21.
Replace
the
boot
block
recovery
jumper
onto
pins
1
and
2.
22.
Replace
any
adapters
that
were
removed.
23.
Replace
the
frame-support
bracket.
24.
Reinstall
the
side
cover.
25.
Reconnect
all
external
cables
and
power
cords
and
turn
on
the
peripheral
devices.
26.
Turn
on
the
server
to
restart
the
operating
system.
Erasing
a
lost
or
forgotten
password
(clearing
CMOS)
This
section
applies
to
lost
or
forgotten
passwords.
For
general
information
about
passwords,
see
the
User’s
Guide
on
the
IBM
Documentation
CD.
Complete
the
following
steps
to
set
the
CMOS
recovery
jumper
and
erase
a
forgotten
password:
1.
Read
Appendix
B,
“Safety
information,”
on
page
143
and
“Handling
static-sensitive
devices”
on
page
26.
2.
Turn
off
the
server
and
all
attached
devices.
3.
Disconnect
the
power
cord,
and
disconnect
all
external
cables.
4.
Remove
the
side
cover
(see
“Removing
the
side
cover”
on
page
28).
5.
Remove
the
support
bracket
(see
“Removing
and
installing
the
support
bracket”
on
page
32).
6.
Locate
the
CMOS
recovery
jumper
(JCMOS1)
on
the
system
board,
removing
any
adapters
or
other
components
that
impede
access
to
the
jumper.
The
following
illustration
shows
the
location
of
the
jumper
on
the
system
board.
Chapter
3.
Diagnostics
19