IBM 88410EU User Manual - Page 109

Erasing, forgotten, password, clearing, memory

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20. Reinstall the cover. 21. Reconnect all external cables and power cords and turn on the peripheral devices. 22. Turn on the server to restart the operating system. Erasing a lost or forgotten password (clearing CMOS memory) This section applies to a lost or forgotten power-on password. For general information about passwords, see the User's Guide on the IBM Documentation CD. Attention: If an administrator password is lost or forgotten, there is no way to change, override, or remove it. You must replace the system board. To set the power-on password reset switch and erase a forgotten password, complete the following steps: 1. Read Appendix B, "Safety information," on page 153 and "Handling static-sensitive devices" on page 12. 2. Turn off the server and all attached devices. 3. Disconnect the power cord; then, disconnect all external cables. 4. Remove the cover (see "Removing the left-side cover" on page 14). 5. Locate the password reset switch (position 2 of SW1) on the system board, removing any components that impede access to the switch. Boot block recovery jumper (J5) 3 2 1 1-2 Normal 3 2 2-3 Recovery SW2 NMI button SW1 8 7 654 3 21 Force power-on Force BMC override Password override Chapter 5. Diagnostics 99

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20.
Reinstall
the
cover.
21.
Reconnect
all
external
cables
and
power
cords
and
turn
on
the
peripheral
devices.
22.
Turn
on
the
server
to
restart
the
operating
system.
Erasing
a
lost
or
forgotten
password
(clearing
CMOS
memory)
This
section
applies
to
a
lost
or
forgotten
power-on
password.
For
general
information
about
passwords,
see
the
User’s
Guide
on
the
IBM
Documentation
CD.
Attention:
If
an
administrator
password
is
lost
or
forgotten,
there
is
no
way
to
change,
override,
or
remove
it.
You
must
replace
the
system
board.
To
set
the
power-on
password
reset
switch
and
erase
a
forgotten
password,
complete
the
following
steps:
1.
Read
Appendix
B,
“Safety
information,”
on
page
153
and
“Handling
static-sensitive
devices”
on
page
12.
2.
Turn
off
the
server
and
all
attached
devices.
3.
Disconnect
the
power
cord;
then,
disconnect
all
external
cables.
4.
Remove
the
cover
(see
“Removing
the
left-side
cover”
on
page
14).
5.
Locate
the
password
reset
switch
(position
2
of
SW1)
on
the
system
board,
removing
any
components
that
impede
access
to
the
switch.
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
Chapter
5.
Diagnostics
99