Lenovo ThinkServer RD120 User Guide - Page 15

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Chapter 1. The ThinkServer RD120 server The Lenovo® ThinkServer™ RD120 (Machine Types 6444, 6445, 6446, and 6447) server is a 5-U-high, high-performance server. It is ideally suited for networking environments that require superior microprocessor performance, improved systems management, and flexible memory and data management. The server has two model styles, which are based on the size and number of hard disk drive bays: v The 3.5-inch models have six 3.5-inch hot-swap hard disk drive bays. Install only 3.5-inch drives in these models. If you intend to install an optional tape drive, the tape drive will occupy two of the six 3.5-inch drive bays. v The 2.5-inch models have eight 2.5-inch hot-swap hard disk drive bays and one 3.5-inch tape-drive bay. Install only 2.5-inch hard disk drives and an optional 3.5-inch tape drive in these models. Throughout this documentation, the terms 2.5-inch models and 3.5-inch models will be used to distinguish between the server styles. Performance, ease of use, reliability, and expansion capabilities were key considerations in the design of the server. These design features make it possible for you to customize the system hardware to meet your needs today and provide flexible expansion capabilities for the future. The server comes with a limited warranty. For information about the terms of the warranty and getting service and assistance, see the Warranty and Support Information document. You can obtain up-to-date information about the server and other Lenovo server products at: http://www.lenovo.com/thinkserver. Attention: The information in this document regarding installing and removing power supplies and connecting and disconnecting power refers to ac power supplies only. If the server contains dc power supplies, see the documentation that comes with the dc power supplies. In a dc power environment, only trained service personnel other than Lenovo service technicians are authorized to connect or disconnect power to the dc power supply and to install and remove a dc power supply. 1. Racks are measured in vertical increments of 4.45 cm (1.75 inches) each. Each increment is called a ″U.″ A 1-U-high device is 1.75 inches tall. © Lenovo 2008, 2009. Portions © IBM Corp. 2008. 1

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Chapter
1.
The
ThinkServer
RD120
server
The
Lenovo
®
ThinkServer
™
RD120
(Machine
Types
6444,
6445,
6446,
and
6447)
server
is
a
5-U-high,
high-performance
server.
It
is
ideally
suited
for
networking
environments
that
require
superior
microprocessor
performance,
improved
systems
management,
and
flexible
memory
and
data
management.
The
server
has
two
model
styles,
which
are
based
on
the
size
and
number
of
hard
disk
drive
bays:
v
The
3.5-inch
models
have
six
3.5-inch
hot-swap
hard
disk
drive
bays.
Install
only
3.5-inch
drives
in
these
models.
If
you
intend
to
install
an
optional
tape
drive,
the
tape
drive
will
occupy
two
of
the
six
3.5-inch
drive
bays.
v
The
2.5-inch
models
have
eight
2.5-inch
hot-swap
hard
disk
drive
bays
and
one
3.5-inch
tape-drive
bay.
Install
only
2.5-inch
hard
disk
drives
and
an
optional
3.5-inch
tape
drive
in
these
models.
Throughout
this
documentation,
the
terms
2.5-inch
models
and
3.5-inch
models
will
be
used
to
distinguish
between
the
server
styles.
Performance,
ease
of
use,
reliability,
and
expansion
capabilities
were
key
considerations
in
the
design
of
the
server.
These
design
features
make
it
possible
for
you
to
customize
the
system
hardware
to
meet
your
needs
today
and
provide
flexible
expansion
capabilities
for
the
future.
The
server
comes
with
a
limited
warranty.
For
information
about
the
terms
of
the
warranty
and
getting
service
and
assistance,
see
the
Warranty
and
Support
Information
document.
You
can
obtain
up-to-date
information
about
the
server
and
other
Lenovo
server
products
at:
Attention:
The
information
in
this
document
regarding
installing
and
removing
power
supplies
and
connecting
and
disconnecting
power
refers
to
ac
power
supplies
only.
If
the
server
contains
dc
power
supplies,
see
the
documentation
that
comes
with
the
dc
power
supplies.
In
a
dc
power
environment,
only
trained
service
personnel
other
than
Lenovo
service
technicians
are
authorized
to
connect
or
disconnect
power
to
the
dc
power
supply
and
to
install
and
remove
a
dc
power
supply.
1. Racks
are
measured
in
vertical
increments
of
4.45
cm
(1.75
inches)
each.
Each
increment
is
called
a
″
U.
″
A
1-U-high
device
is
1.75
inches
tall.
©
Lenovo
2008,
2009.
Portions
©
IBM
Corp.
2008.
1