Lenovo ThinkServer RD120 User Guide - Page 51

Removing, baffle

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Removing the DIMM air baffle When you work with some optional devices, you must first remove the DIMM air baffle to access certain components or connectors on the system board. The following illustration shows how to remove the DIMM air baffle. 1 DIMM air baffle 2 Riser card assembly 3 Finger hole 4 Release ring To remove the DIMM air baffle, 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 (see "Turning off the server" on page 12). 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. See the documentation that comes with each dc power supply. 3. Remove the cover (see "Removing the cover" on page 31). 4. Remove the riser-card assembly (see "Removing the riser-card assembly" on page 32). 5. Place your fingers into the handle 4 and finger hole on the top of the air baffle. Chapter 2. Installing optional devices 37

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Removing
the
DIMM
air
baffle
When
you
work
with
some
optional
devices,
you
must
first
remove
the
DIMM
air
baffle
to
access
certain
components
or
connectors
on
the
system
board.
The
following
illustration
shows
how
to
remove
the
DIMM
air
baffle.
±1²
DIMM
air
baffle
±2²
Riser
card
assembly
±3²
Finger
hole
±4²
Release
ring
To
remove
the
DIMM
air
baffle,
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
(see
“Turning
off
the
server”
on
page
12).
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.
See
the
documentation
that
comes
with
each
dc
power
supply.
3.
Remove
the
cover
(see
“Removing
the
cover”
on
page
31).
4.
Remove
the
riser-card
assembly
(see
“Removing
the
riser-card
assembly”
on
page
32).
5.
Place
your
fingers
into
the
handle
±4²
and
finger
hole
on
the
top
of
the
air
baffle.
Chapter
2.
Installing
optional
devices
37