Chapter
1.
The
System
x3550
Type
7978
server
The
IBM
®
System
x3550
Type
7978
server
is
a
1-U-high
1
rack
model
server
for
high-volume
network
transaction
processing.
This
high-performance,
dual
core
server
is
ideally
suited
for
networking
environments
that
require
superior
microprocessor
performance,
input/output
(I/O)
flexibility,
and
high
manageability.
The
System
x3550
server
supports
one
of
the
following
hard
disk
drive
configurations:
v
Servers
with
four
hot-swap
bays
support
2.5-inch
hot-swap
Serial
Attached
SCSI
(SAS)
hard
disk
drives.
You
can
install
only
2.5-inch
hot-swap
SAS
drives
in
these
servers.
The
following
illustration
shows
a
System
x3550
server
with
a
2.5-inch
hard
disk
drive
configuration.
2.5-inch hard disk drives
Video connector
USB 4 connector
USB 3 connector
Rack release latch
Rack release latch
Operator information
panel
CD-RW/DVD drive activity LED
Hard disk drive
activity LED
Hard disk drive
status LED
CD-RW/DVD eject button
v
Servers
with
two
hot-swap
bays
support
3.5-inch
hot-swap
SAS
or
3.5-inch
hot-swap
Serial
ATA
(SATA)
hard
disk
drives.
You
can
install
only
3.5-inch
hot-swap
SAS
or
hot-swap
SATA
drives
in
these
servers.
v
Servers
with
two
simple-swap
bays
support
3.5-inch
simple-swap
SATA
hard
disk
drives.
You
can
install
only
3.5-inch
simple-swap
SATA
drives
in
these
servers.
The
following
illustration
shows
a
System
x3550
server
with
a
hot-swap
or
simple-swap
3.5-inch
hard
disk
drive
configuration.
3.5 inch hard disk drives
Video connector
USB 4 connector
USB 3 connector
Operator information panel
CD-RW/DVD drive
CD-RW/DVD eject button
Rack release latch
Rack release latch
CD-RW/DVD drive activity LED
Hard disk
drive activity
Hard disk
drive status
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.
1.
Racks
are
marked
in
vertical
increments
of
1.75
inches
each.
Each
increment
is
referred
to
as
a
unit,
or
a
“U”.
A
1-U-high
device
is
approximately
1.75
inches
tall.
©
Copyright
IBM
Corp.
2006
1
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