IBM 84903bu User Guide - Page 40

Attention

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The following illustration shows the dual inline memory module (DIMM) connectors and corresponding LEDs on the system board. DIMM 1 DIMM 2 DIMM 3 DIMM 4 DIMM 4 error LED DIMM 3 error LED DIMM 2 error LED DIMM 1 error LED Attention: Static electricity that is released to internal server components when the server is powered-on might cause the server to stop, which could result in the loss of data. To avoid this potential problem, always use an electrostatic-discharge wrist strap or other grounding system when working inside the server with the power on. To install a DIMM, complete the following steps: 1. Read the safety information that begins on page v and "Installation guidelines" on page 19. 2. Turn off the server and peripheral devices, and disconnect the power cords and all external cables. 3. Remove the side cover (see "Removing the side cover" on page 22). 26 xSeries 206m Types 8485 and 8490: User's Guide

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The
following
illustration
shows
the
dual
inline
memory
module
(DIMM)
connectors
and
corresponding
LEDs
on
the
system
board.
DIMM 4
DIMM 3
DIMM 2
DIMM 1
DIMM 1 error LED
DIMM 2 error LED
DIMM 3 error LED
DIMM 4 error LED
Attention:
Static
electricity
that
is
released
to
internal
server
components
when
the
server
is
powered-on
might
cause
the
server
to
stop,
which
could
result
in
the
loss
of
data.
To
avoid
this
potential
problem,
always
use
an
electrostatic-discharge
wrist
strap
or
other
grounding
system
when
working
inside
the
server
with
the
power
on.
To
install
a
DIMM,
complete
the
following
steps:
1.
Read
the
safety
information
that
begins
on
page
v
and
“Installation
guidelines”
on
page
19.
2.
Turn
off
the
server
and
peripheral
devices,
and
disconnect
the
power
cords
and
all
external
cables.
3.
Remove
the
side
cover
(see
“Removing
the
side
cover”
on
page
22).
26
xSeries
206m
Types
8485
and
8490:
User’s
Guide