IBM 79856au User Guide - Page 15

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Chapter 1. The System x3655 Type 7985 server The IBM® System x3655 Type 7985 server is a 2-U1 -high server that is ideally suited for networking environments that require superior microprocessor performance, efficient memory management, and flexibility. The server can be upgraded to a symmetric multiprocessing (SMP) server through the addition of an optional microprocessor. 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 install an optional tape drive, the tape drive occupies 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 are 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. The server contains IBM Enterprise X-Architecture™ technologies, which help increase performance and reliability. For more information, see "What your server offers" on page 6 and "Reliability, availability, and serviceability features" on page 8. You can obtain up-to-date information about the server and other IBM server products at http://www.ibm.com/systems/x/. 1. Racks are measured in vertical increments of 1.75 inches each. Each increment is called a ″U.″ A 1-U-high device is 1.75 inches tall. © Copyright IBM Corp. 2007 1

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Chapter
1.
The
System
x3655
Type
7985
server
The
IBM
®
System
x3655
Type
7985
server
is
a
2-U
1
-high
server
that
is
ideally
suited
for
networking
environments
that
require
superior
microprocessor
performance,
efficient
memory
management,
and
flexibility.
The
server
can
be
upgraded
to
a
symmetric
multiprocessing
(SMP)
server
through
the
addition
of
an
optional
microprocessor.
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
install
an
optional
tape
drive,
the
tape
drive
occupies
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
are
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.
The
server
contains
IBM
Enterprise
X-Architecture
™
technologies,
which
help
increase
performance
and
reliability.
For
more
information,
see
“What
your
server
offers”
on
page
6
and
“Reliability,
availability,
and
serviceability
features”
on
page
8.
You
can
obtain
up-to-date
information
about
the
server
and
other
IBM
server
products
at
1. Racks
are
measured
in
vertical
increments
of
1.75
inches
each.
Each
increment
is
called
a
″
U.
″
A
1-U-high
device
is
1.75
inches
tall.
©
Copyright
IBM
Corp.
2007
1