IBM x3500 User Guide - Page 36

System, reliability, guidelines, Working, inside, server, power, Handling, static-sensitive, devices

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v For a list of supported optional devices for the server, see http://www.ibm.com/ servers/eserver/serverproven/compat/us/. System reliability guidelines To help ensure proper cooling and system reliability, make sure that the following requirements are met: v Each of the drive bays has a drive or an electromagnetic compatibility (EMC) shield installed in it. v If the server has redundant power, each of the power-supply bays has a power-supply installed in it. v There is adequate space around the server to allow the server cooling system to work properly. Leave approximately 50 mm (2.0 in.) of open space around the front and rear of the server. Do not place objects in front of the fans. For proper cooling and airflow, replace the left-side cover before you turn on the server. Operating the server for extended periods of time (more than 30 minutes) with the left-side cover removed might damage server components. v You have followed the cabling instructions that come with optional adapters. v You have replaced a failed fan within 48 hours. v You have replaced a hot-swap drive within 2 minutes of removal. v You do not remove the air duct or air baffles while the server is running. Operating the server without the air duct or air baffles might cause the microprocessor to overheat. v Microprocessor socket 2 always contains either a microprocessor duct or a microprocessor and heat sink. Working inside the server with the power on The server supports hot-swap devices and is designed to operate safely while it is turned on and the cover is removed. Follow these guidelines when you work inside a server that is turned on: v Avoid wearing loose-fitting clothing on your forearms. Button long-sleeved shirts before working inside the server; do not wear cuff links while you are working inside the server. v Do not allow your necktie or scarf to hang inside the server. v Remove jewelry, such as bracelets, necklaces, rings, and loose-fitting wrist watches. v Remove items from your shirt pocket, such as pens and pencils, that might fall into the server as you lean over it. v Avoid dropping any metallic objects, such as paper clips, hairpins, and screws, into the server. Handling static-sensitive devices Attention: Static electricity can damage the server and other electronic devices. To avoid damage, keep static-sensitive devices in their static-protective packages until you are ready to install them. To reduce the possibility of damage from electrostatic discharge, observe the following precautions: v Limit your movement. Movement can cause static electricity to build up around you. v Wear an electrostatic-discharge wrist strap, if one is available. 22 IBM System x3500 Type 7977: User's Guide

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v
For
a
list
of
supported
optional
devices
for
the
server,
see
servers/eserver/serverproven/compat/us/.
System
reliability
guidelines
To
help
ensure
proper
cooling
and
system
reliability,
make
sure
that
the
following
requirements
are
met:
v
Each
of
the
drive
bays
has
a
drive
or
an
electromagnetic
compatibility
(EMC)
shield
installed
in
it.
v
If
the
server
has
redundant
power,
each
of
the
power-supply
bays
has
a
power-supply
installed
in
it.
v
There
is
adequate
space
around
the
server
to
allow
the
server
cooling
system
to
work
properly.
Leave
approximately
50
mm
(2.0
in.)
of
open
space
around
the
front
and
rear
of
the
server.
Do
not
place
objects
in
front
of
the
fans.
For
proper
cooling
and
airflow,
replace
the
left-side
cover
before
you
turn
on
the
server.
Operating
the
server
for
extended
periods
of
time
(more
than
30
minutes)
with
the
left-side
cover
removed
might
damage
server
components.
v
You
have
followed
the
cabling
instructions
that
come
with
optional
adapters.
v
You
have
replaced
a
failed
fan
within
48
hours.
v
You
have
replaced
a
hot-swap
drive
within
2
minutes
of
removal.
v
You
do
not
remove
the
air
duct
or
air
baffles
while
the
server
is
running.
Operating
the
server
without
the
air
duct
or
air
baffles
might
cause
the
microprocessor
to
overheat.
v
Microprocessor
socket
2
always
contains
either
a
microprocessor
duct
or
a
microprocessor
and
heat
sink.
Working
inside
the
server
with
the
power
on
The
server
supports
hot-swap
devices
and
is
designed
to
operate
safely
while
it
is
turned
on
and
the
cover
is
removed.
Follow
these
guidelines
when
you
work
inside
a
server
that
is
turned
on:
v
Avoid
wearing
loose-fitting
clothing
on
your
forearms.
Button
long-sleeved
shirts
before
working
inside
the
server;
do
not
wear
cuff
links
while
you
are
working
inside
the
server.
v
Do
not
allow
your
necktie
or
scarf
to
hang
inside
the
server.
v
Remove
jewelry,
such
as
bracelets,
necklaces,
rings,
and
loose-fitting
wrist
watches.
v
Remove
items
from
your
shirt
pocket,
such
as
pens
and
pencils,
that
might
fall
into
the
server
as
you
lean
over
it.
v
Avoid
dropping
any
metallic
objects,
such
as
paper
clips,
hairpins,
and
screws,
into
the
server.
Handling
static-sensitive
devices
Attention:
Static
electricity
can
damage
the
server
and
other
electronic
devices.
To
avoid
damage,
keep
static-sensitive
devices
in
their
static-protective
packages
until
you
are
ready
to
install
them.
To
reduce
the
possibility
of
damage
from
electrostatic
discharge,
observe
the
following
precautions:
v
Limit
your
movement.
Movement
can
cause
static
electricity
to
build
up
around
you.
v
Wear
an
electrostatic-discharge
wrist
strap,
if
one
is
available.
22
IBM
System
x3500
Type
7977:
User’s
Guide