IBM HS20 User Guide - Page 52

Statement, CAUTION, Hazardous, energy, present, blade, server, connected, power, source., Always, - memory

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D O C U T A I CN A C 1 3 0 0 W A C 1 3 0 0 W ! D O C U T A I CN The following illustration shows how to install the blade server into the BladeCenter T unit. Type 8720 or 8730 ESD Complete the following steps to install a blade server in the BladeCenter unit: Statement 21: CAUTION: Hazardous energy is present when the blade server is connected to the power source. Always replace the blade cover before installing the blade server. 1. Read the safety information beginning on page vii and "Installation guidelines" on page 19 through "Handling static-sensitive devices" on page 19. 2. If you have not done so already, install any options that you want, such as IDE drives or memory, in the blade server. 3. Select the bay for the blade server. Notes: a. If the blade server has an expansion unit installed on it, the blade server and expansion option require two adjacent bays. b. When any blade server or option is in either blade bay 7 through 14 (in the BladeCenter unit) or blade bay 5 through 8 (in the BladeCenter T unit), power modules must be present in all four power bays. c. To help ensure proper cooling, performance, and system reliability, make sure that each of the blade bays on the front of the BladeCenter unit has a blade server, expansion unit, or filler blade installed. Do not operate the system unit without either a blade server, expansion unit, or filler blade installed in each blade bay for more than 1 minute for the BladeCenter unit and 20 minutes for the BladeCenter T unit. 4. Make sure that the release levers on the blade server are in the open position (perpendicular to the blade server). 38 BladeCenter HS20 Type 8832: Installation and User's Guide

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The
following
illustration
shows
how
to
install
the
blade
server
into
the
BladeCenter
T
unit.
ESD
A
C
1
3
0
0
W
A
C
1
3
0
0
W
Type 8720 or 8730
Complete
the
following
steps
to
install
a
blade
server
in
the
BladeCenter
unit:
Statement
21:
CAUTION:
Hazardous
energy
is
present
when
the
blade
server
is
connected
to
the
power
source.
Always
replace
the
blade
cover
before
installing
the
blade
server.
1.
Read
the
safety
information
beginning
on
page
vii
and
“Installation
guidelines”
on
page
19
through
“Handling
static-sensitive
devices”
on
page
19.
2.
If
you
have
not
done
so
already,
install
any
options
that
you
want,
such
as
IDE
drives
or
memory,
in
the
blade
server.
3.
Select
the
bay
for
the
blade
server.
Notes:
a.
If
the
blade
server
has
an
expansion
unit
installed
on
it,
the
blade
server
and
expansion
option
require
two
adjacent
bays.
b.
When
any
blade
server
or
option
is
in
either
blade
bay
7
through
14
(in
the
BladeCenter
unit)
or
blade
bay
5
through
8
(in
the
BladeCenter
T
unit),
power
modules
must
be
present
in
all
four
power
bays.
c.
To
help
ensure
proper
cooling,
performance,
and
system
reliability,
make
sure
that
each
of
the
blade
bays
on
the
front
of
the
BladeCenter
unit
has
a
blade
server,
expansion
unit,
or
filler
blade
installed.
Do
not
operate
the
system
unit
without
either
a
blade
server,
expansion
unit,
or
filler
blade
installed
in
each
blade
bay
for
more
than
1
minute
for
the
BladeCenter
unit
and
20
minutes
for
the
BladeCenter
T
unit.
4.
Make
sure
that
the
release
levers
on
the
blade
server
are
in
the
open
position
(perpendicular
to
the
blade
server).
38
BladeCenter
HS20
Type
8832:
Installation
and
User’s
Guide