IBM 7979B1U User Manual - Page 108

Configuration/Setup

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SAS controller jumper Reserved (J89) Boot block recovery jumper (J42) Pin 1 Switch block (SW2) To clear CMOS and reset the power-on password, complete the following steps: 1. Read the safety information that begins on page vii and "Installation guidelines" on page 28. 2. Turn off the server and peripheral devices and disconnect all power cords and external cables. 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 and to install and remove a dc power supply. See the documentation that comes with each dc power supply. 3. Remove the server from the rack and place it on a flat, static-protective surface. 4. Remove the cover. See "Removing the cover" on page 31 for instructions. 5. Move the clear-CMOS switch (switch 1 on SW2) to the On position. 6. Install the cover and connect the server to a keyboard, monitor, and mouse; then, connect the server to a power source. 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 and to install and remove a dc power supply. See the documentation that comes with each dc power supply. 7. Turn on the server. You can now start the Configuration/Setup Utility program and either delete the old power-on password or set a new power-on password. 92 System x3650 Type 7979: User's Guide

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Boot block
recovery jumper
(J42)
Switch block
(SW2)
SAS controller jumper
Reserved (J89)
Pin 1
To
clear
CMOS
and
reset
the
power-on
password,
complete
the
following
steps:
1.
Read
the
safety
information
that
begins
on
page
vii
and
“Installation
guidelines”
on
page
28.
2.
Turn
off
the
server
and
peripheral
devices
and
disconnect
all
power
cords
and
external
cables.
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
and
to
install
and
remove
a
dc
power
supply.
See
the
documentation
that
comes
with
each
dc
power
supply.
3.
Remove
the
server
from
the
rack
and
place
it
on
a
flat,
static-protective
surface.
4.
Remove
the
cover.
See
“Removing
the
cover”
on
page
31
for
instructions.
5.
Move
the
clear-CMOS
switch
(switch
1
on
SW2)
to
the
On
position.
6.
Install
the
cover
and
connect
the
server
to
a
keyboard,
monitor,
and
mouse;
then,
connect
the
server
to
a
power
source.
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
and
to
install
and
remove
a
dc
power
supply.
See
the
documentation
that
comes
with
each
dc
power
supply.
7.
Turn
on
the
server.
You
can
now
start
the
Configuration/Setup
Utility
program
and
either
delete
the
old
power-on
password
or
set
a
new
power-on
password.
92
System
x3650
Type
7979:
User’s
Guide