IBM JS20 Hardware Maintenance Manual - Page 94

guidelines

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Complete the following steps to replace the battery: 1. Read the safety information beginning on page iii and "Installation guidelines" on page 71 2. Follow any special handling and installation instructions that come with the battery. 3. If the blade server is operating, shut down the operating system by typing the shutdown -h now command. Refer to your operating system documentation. If the blade server was not turned off, press the power-control button (behind the blade-server control-panel door) to turn off the blade server. See "Blade server controls and LEDs" on page 14 for more information about the location of the power-control button. 4. Remove the blade server from the BladeCenter unit (see "Removing the blade server from the BladeCenter unit" on page 73 for information). 5. Carefully place the blade server on a flat, static-protective surface. 6. Open the blade server cover (see "Opening the blade server cover" on page 74 for instructions). 7. Locate the battery (connector BH1) on the system board. Battery (BH1) 84 BladeCenter JS20 Type 8842: Hardware Maintenance Manual and Troubleshooting Guide

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Complete
the
following
steps
to
replace
the
battery:
1.
Read
the
safety
information
beginning
on
page
iii
and
“Installation
guidelines”
on
page
71
2.
Follow
any
special
handling
and
installation
instructions
that
come
with
the
battery.
3.
If
the
blade
server
is
operating,
shut
down
the
operating
system
by
typing
the
shutdown
-h
now
command.
Refer
to
your
operating
system
documentation.
If
the
blade
server
was
not
turned
off,
press
the
power-control
button
(behind
the
blade-server
control-panel
door)
to
turn
off
the
blade
server.
See
“Blade
server
controls
and
LEDs”
on
page
14
for
more
information
about
the
location
of
the
power-control
button.
4.
Remove
the
blade
server
from
the
BladeCenter
unit
(see
“Removing
the
blade
server
from
the
BladeCenter
unit”
on
page
73
for
information).
5.
Carefully
place
the
blade
server
on
a
flat,
static-protective
surface.
6.
Open
the
blade
server
cover
(see
“Opening
the
blade
server
cover”
on
page
74
for
instructions).
7.
Locate
the
battery
(connector
BH1)
on
the
system
board.
Battery (BH1)
84
BladeCenter
JS20
Type
8842:
Hardware
Maintenance
Manual
and
Troubleshooting
Guide