IBM 88743RU User Guide - Page 36

Installing, hot-swap, power, supply

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Top cover Bezel Cover release latch 4. Lift the cover-release latch. The cover slides to the rear approximately 13 mm (0.5 inch). Lift the cover off the server. Attention: For proper cooling and airflow, replace the top cover before turning on the server. Operating the server for more than 2 minutes with the top cover removed might damage server components. 5. Press on the bezel retention tabs at the top edge of the bezel, and pull the top of the bezel slightly away from the server. 6. Lift the bezel up to release the two tabs at the bottom edge of the bezel. Installing a hot-swap power supply The following notes describe information that you must consider when installing a hot-swap power supply in the server: v The server comes with a minimum of one power supply and supports up to two power supplies (hot-swappable at 220 V ac only). v The power supplies are numbered from left to right (1 and 2) as viewed from the rear of the server. Power supplies must be installed in the following sequence: power supply 1, then power supply 2. v A single 110 V ac power supply can support a maximum configuration of one microprocessor, two PCI-X adapters, three hard disk drives, and four DIMMs. If you exceed this configuration you must either install a second power supply or use 220 V ac input. v If you install or remove a power supply, observe the following precautions: Statement 8: 24 IBM System x3950 Type 8878 and System x3950 E Type 8879: User's Guide

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Bezel
Top cover
Cover release
latch
4.
Lift
the
cover-release
latch.
The
cover
slides
to
the
rear
approximately
13
mm
(0.5
inch).
Lift
the
cover
off
the
server.
Attention:
For
proper
cooling
and
airflow,
replace
the
top
cover
before
turning
on
the
server.
Operating
the
server
for
more
than
2
minutes
with
the
top
cover
removed
might
damage
server
components.
5.
Press
on
the
bezel
retention
tabs
at
the
top
edge
of
the
bezel,
and
pull
the
top
of
the
bezel
slightly
away
from
the
server.
6.
Lift
the
bezel
up
to
release
the
two
tabs
at
the
bottom
edge
of
the
bezel.
Installing
a
hot-swap
power
supply
The
following
notes
describe
information
that
you
must
consider
when
installing
a
hot-swap
power
supply
in
the
server:
v
The
server
comes
with
a
minimum
of
one
power
supply
and
supports
up
to
two
power
supplies
(hot-swappable
at
220
V
ac
only).
v
The
power
supplies
are
numbered
from
left
to
right
(1
and
2)
as
viewed
from
the
rear
of
the
server.
Power
supplies
must
be
installed
in
the
following
sequence:
power
supply
1,
then
power
supply
2.
v
A
single
110
V
ac
power
supply
can
support
a
maximum
configuration
of
one
microprocessor,
two
PCI-X
adapters,
three
hard
disk
drives,
and
four
DIMMs.
If
you
exceed
this
configuration
you
must
either
install
a
second
power
supply
or
use
220
V
ac
input.
v
If
you
install
or
remove
a
power
supply,
observe
the
following
precautions:
Statement
8:
24
IBM
System
x3950
Type
8878
and
System
x3950
E
Type
8879:
User’s
Guide