IBM 72335LU Installation Guide - Page 28

Installing

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Memory hot-swap enabled LED Memory card/DIMM error LED Memory card power LED Memory hot-swap enabled LED: When this LED is lit, it indicates that hot-swap memory is enabled. Memory card/DIMM error LED: When this LED is lit, it indicates that a memory card or DIMM has failed. Memory card power LED: When this LED is off, it indicates that power is removed from the card and that you can remove the memory card and replace a failed DIMM. This LED will also turn off when the release levers are opened. Installing a DIMM To install additional DIMMs, complete the following steps: 1. Read the safety information that begins on page v and "Installation guidelines" on page 9. 2. If you are not hot-swapping a DIMM, turn off the server and peripheral devices, and disconnect the power cords and all external cables as necessary to replace the device. 3. Remove the server cover. 4. If you are hot-swapping a DIMM, make sure that the memory hot-swap enabled LED is lit. 16 IBM System x3850 M2 and System x3950 M2 Type 7141: Installation Guide

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Memory hot-swap
enabled LED
Memory card/DIMM
error LED
Memory card
power LED
Memory
hot-swap
enabled
LED:
When
this
LED
is
lit,
it
indicates
that
hot-swap
memory
is
enabled.
Memory
card/DIMM
error
LED:
When
this
LED
is
lit,
it
indicates
that
a
memory
card
or
DIMM
has
failed.
Memory
card
power
LED:
When
this
LED
is
off,
it
indicates
that
power
is
removed
from
the
card
and
that
you
can
remove
the
memory
card
and
replace
a
failed
DIMM.
This
LED
will
also
turn
off
when
the
release
levers
are
opened.
Installing
a
DIMM
To
install
additional
DIMMs,
complete
the
following
steps:
1.
Read
the
safety
information
that
begins
on
page
v
and
“Installation
guidelines”
on
page
9.
2.
If
you
are
not
hot-swapping
a
DIMM,
turn
off
the
server
and
peripheral
devices,
and
disconnect
the
power
cords
and
all
external
cables
as
necessary
to
replace
the
device.
3.
Remove
the
server
cover.
4.
If
you
are
hot-swapping
a
DIMM,
make
sure
that
the
memory
hot-swap
enabled
LED
is
lit.
16
IBM
System
x3850
M2
and
System
x3950
M2
Type
7141:
Installation
Guide