Lenovo ThinkServer RD120 User Guide - Page 100

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1 Boot block recovery jumper (J42) 2 Switch block (SW2) To clear CMOS and reset the passwords, complete the following steps: 1. Read the safety information that begins on page v and "Installation guidelines" on page 29. 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 Lenovo 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. 86 ThinkServer RD120 Types 6444, 6445, 6446, and 6447: User Guide

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±1²
Boot
block
recovery
jumper
(J42)
±2²
Switch
block
(SW2)
To
clear
CMOS
and
reset
the
passwords,
complete
the
following
steps:
1.
Read
the
safety
information
that
begins
on
page
v
and
“Installation
guidelines”
on
page
29.
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
Lenovo
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.
86
ThinkServer
RD120
Types
6444,
6445,
6446,
and
6447:
User
Guide