IBM 86884RX Maintenance Manual - Page 83

Clearing

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6. Locate the clear password jumper (J20) on the I/O board. The following illustration shows the location of the jumper on the I/O board. 1 23 Clear password jumper (J20) 7. Move the clear password jumper from pins 1 and 2 to pins 2 and 3. 8. Replace fans 3 and 4, and reconnect all external cables and power cords; then, turn on the peripheral devices. 9. Turn on the server. The EFI Boot Manager program starts. 10. Follow the instructions to create a new password. 11. Repeat steps 1 on page 72 through 5 on page 72. 12. Return the clear password jumper to pins 1 and 2. Note: The password will be cleared on every startup until the jumper is replaced to pins 1 and 2. 13. Repeat steps 8 through 10. 14. Close the cover (see "Closing the cover" on page 111). 15. Connect the server to a power source, keyboard, monitor, and mouse. 16. Turn on the server. Clearing CMOS Complete the following steps to set the CMOS recovery jumper: 1. Review the safety information beginning on page 197. Attention: When you handle static-sensitive devices, take precautions to avoid damage from static electricity. For details about handling these devices, see "Handling static-sensitive devices" on page 78. 2. Turn off the server and all attached devices. 3. Unplug the power cord, and disconnect all external cables. 4. Open the top cover (see "Opening the cover" on page 88). 5. Remove fans 3 and 4. For instructions, see "Replacing fan 3 or 4" on page 108. Chapter 3. Diagnostics 73

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6.
Locate
the
clear
password
jumper
(J20)
on
the
I/O
board.
The
following
illustration
shows
the
location
of
the
jumper
on
the
I/O
board.
1
2
3
Clear password
jumper (J20)
7.
Move
the
clear
password
jumper
from
pins
1
and
2
to
pins
2
and
3.
8.
Replace
fans
3
and
4,
and
reconnect
all
external
cables
and
power
cords;
then,
turn
on
the
peripheral
devices.
9.
Turn
on
the
server.
The
EFI
Boot
Manager
program
starts.
10.
Follow
the
instructions
to
create
a
new
password.
11.
Repeat
steps
1
on
page
72
through
5
on
page
72.
12.
Return
the
clear
password
jumper
to
pins
1
and
2.
Note:
The
password
will
be
cleared
on
every
startup
until
the
jumper
is
replaced
to
pins
1
and
2.
13.
Repeat
steps
8
through
10.
14.
Close
the
cover
(see
“Closing
the
cover”
on
page
111).
15.
Connect
the
server
to
a
power
source,
keyboard,
monitor,
and
mouse.
16.
Turn
on
the
server.
Clearing
CMOS
Complete
the
following
steps
to
set
the
CMOS
recovery
jumper:
1.
Review
the
safety
information
beginning
on
page
197.
Attention:
When
you
handle
static-sensitive
devices,
take
precautions
to
avoid
damage
from
static
electricity.
For
details
about
handling
these
devices,
see
“Handling
static-sensitive
devices”
on
page
78.
2.
Turn
off
the
server
and
all
attached
devices.
3.
Unplug
the
power
cord,
and
disconnect
all
external
cables.
4.
Open
the
top
cover
(see
“Opening
the
cover”
on
page
88).
5.
Remove
fans
3
and
4.
For
instructions,
see
“Replacing
fan
3
or
4”
on
page
108.
Chapter
3.
Diagnostics
73