IBM 7979BEU User Manual - Page 38

Switch, number, Default, value, description

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Table 2. Switches 1 - 8 Switch number Default value 8 Off 7 Off 6 Off 5 Off 4 Off 3 Off 2 Off 1 Off Switch description Reserved. Reserved. Reserved. Power-on password override. Changing the position of this switch bypasses the power-on password check the next time the server is turned on and starts the Configuration/Setup Utility program so that you can change or delete the power-on password. You do not have to move the switch back to the default position after the password is overridden. Changing the position of this switch does not affect the administrator password check if an administrator password is set. See "Passwords" on page 90 for additional information about the power-on password. Reserved. Reserved. Reserved. Clear CMOS. When this switch is toggled to On, it clears the CMOS data, which clears the power-on password. Important: 1. Before you change any switch settings or move any jumpers, turn off the server; then, disconnect all power cords and external cables. (Review the information in "Safety" on page vii, "Installation guidelines" on page 28, "Handling static-sensitive devices" on page 30, and "Turning off the server" on page 13.) Attention: In a dc power environment, only trained service personnel other than IBM service technicians are authorized to connect or disconnect power to the dc power supply. See the documentation that comes with each dc power supply. 2. Any system-board switch or jumper blocks that are not shown in the illustrations in this document are reserved. 22 System x3650 Type 7979: User's Guide

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Table
2.
Switches
1
-
8
Switch
number
Default
value
Switch
description
8
Off
Reserved.
7
Off
Reserved.
6
Off
Reserved.
5
Off
Power-on
password
override.
Changing
the
position
of
this
switch
bypasses
the
power-on
password
check
the
next
time
the
server
is
turned
on
and
starts
the
Configuration/Setup
Utility
program
so
that
you
can
change
or
delete
the
power-on
password.
You
do
not
have
to
move
the
switch
back
to
the
default
position
after
the
password
is
overridden.
Changing
the
position
of
this
switch
does
not
affect
the
administrator
password
check
if
an
administrator
password
is
set.
See
“Passwords”
on
page
90
for
additional
information
about
the
power-on
password.
4
Off
Reserved.
3
Off
Reserved.
2
Off
Reserved.
1
Off
Clear
CMOS.
When
this
switch
is
toggled
to
On,
it
clears
the
CMOS
data,
which
clears
the
power-on
password.
Important:
1.
Before
you
change
any
switch
settings
or
move
any
jumpers,
turn
off
the
server;
then,
disconnect
all
power
cords
and
external
cables.
(Review
the
information
in
“Safety”
on
page
vii,
“Installation
guidelines”
on
page
28,
“Handling
static-sensitive
devices”
on
page
30,
and
“Turning
off
the
server”
on
page
13.)
Attention:
In
a
dc
power
environment,
only
trained
service
personnel
other
than
IBM
service
technicians
are
authorized
to
connect
or
disconnect
power
to
the
dc
power
supply.
See
the
documentation
that
comes
with
each
dc
power
supply.
2.
Any
system-board
switch
or
jumper
blocks
that
are
not
shown
in
the
illustrations
in
this
document
are
reserved.
22
System
x3650
Type
7979:
User’s
Guide