IBM 865811Y User Guide - Page 57

System, reliability, considerations, Working, inside, server, power, Handling, static, sensitive,

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v The blue color on components and labels identifies touch points where a component can be gripped, a latch moved, and so on. v Make sure that you have an adequate number of properly grounded electrical outlets for your server, monitor, and any other options that you intend to install. v Back up all important data before you make changes to disk drives. v Have a small, flat-blade screwdriver available. v For a list of supported options for your server, refer to http://www.ibm.com/pc/us/compat on the World Wide Web. System reliability considerations To help ensure proper cooling and system reliability, make sure: v Each of the drive bays has either a drive or a filler panel installed. v Each of the power supply bays has either a power supply or a filler panel installed. v The cover is in place during normal operations, or is removed for no longer than 30 minutes while the server is operating. Note: The front door (tower model) can be removed permanently without affecting system reliability. v There is space around the server to allow the server cooling system to work properly. - On a tower model, leave about 127 mm (5 in.) of space around the front and rear of the server. - On a rack model, refer to the documentation that comes with the rack. v A removed hot-swap drive is replaced within two minutes of removal. v Cables for optional adapters are routed according to the instructions provided with the adapters. v A failed fan is replaced within 48 hours. Working inside a server with power on Your server is designed to operate safely while turned on with the cover removed, such as when you are following the light path diagnostics (see "Light path diagnostics" on page 14). Follow these guidelines when you work inside a server that is turned on: v Avoid 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, rings, necklaces, and loose-fitting wrist watches. v Remove items from your shirt pocket (such as pens or pencils) that could fall into the server as you lean over it. v Take care to avoid dropping any metallic objects, such as paper clips, hair pins, or screws, into the server. Handling static sensitive devices Static electricity, though harmless to you, can seriously damage server components or options. Installing options 47

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v
The
blue
color
on
components
and
labels
identifies
touch
points
where
a
component
can
be
gripped,
a
latch
moved,
and
so
on.
v
Make
sure
that
you
have
an
adequate
number
of
properly
grounded
electrical
outlets
for
your
server,
monitor,
and
any
other
options
that
you
intend
to
install.
v
Back
up
all
important
data
before
you
make
changes
to
disk
drives.
v
Have
a
small,
flat-blade
screwdriver
available.
v
For
a
list
of
supported
options
for
your
server,
refer
to
on
the
World
Wide
Web.
System
reliability
considerations
To
help
ensure
proper
cooling
and
system
reliability,
make
sure:
v
Each
of
the
drive
bays
has
either
a
drive
or
a
filler
panel
installed.
v
Each
of
the
power
supply
bays
has
either
a
power
supply
or
a
filler
panel
installed.
v
The
cover
is
in
place
during
normal
operations,
or
is
removed
for
no
longer
than
30
minutes
while
the
server
is
operating.
Note:
The
front
door
(tower
model)
can
be
removed
permanently
without
affecting
system
reliability.
v
There
is
space
around
the
server
to
allow
the
server
cooling
system
to
work
properly.
–
On
a
tower
model,
leave
about
127
mm
(5
in.)
of
space
around
the
front
and
rear
of
the
server.
–
On
a
rack
model,
refer
to
the
documentation
that
comes
with
the
rack.
v
A
removed
hot-swap
drive
is
replaced
within
two
minutes
of
removal.
v
Cables
for
optional
adapters
are
routed
according
to
the
instructions
provided
with
the
adapters.
v
A
failed
fan
is
replaced
within
48
hours.
Working
inside
a
server
with
power
on
Your
server
is
designed
to
operate
safely
while
turned
on
with
the
cover
removed,
such
as
when
you
are
following
the
light
path
diagnostics
(see
“Light
path
diagnostics”
on
page
14).
Follow
these
guidelines
when
you
work
inside
a
server
that
is
turned
on:
v
Avoid
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,
rings,
necklaces,
and
loose-fitting
wrist
watches.
v
Remove
items
from
your
shirt
pocket
(such
as
pens
or
pencils)
that
could
fall
into
the
server
as
you
lean
over
it.
v
Take
care
to
avoid
dropping
any
metallic
objects,
such
as
paper
clips,
hair
pins,
or
screws,
into
the
server.
Handling
static
sensitive
devices
Static
electricity,
though
harmless
to
you,
can
seriously
damage
server
components
or
options.
Installing
options
47