IBM 86481BU Installation Guide - Page 41

Installing, additional, microprocessor

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The following cables are provided: v Power cables: Four-wire power cables connect the drives to the power supply. At the end of these cables are plastic connectors that can be attached to different drives; these connectors vary in size. Use either a four-wire power cable or Serial ATA power cable with Serial ATA drives, but do not use both at the same time (use one or the other). For SCSI hot-swap drives, a special power cable connects the SCSI backplane to the power supply. v Signal cables: Signal cables are typically flat cables, also called ribbon cables, that connect parallel IDE, Serial ATA, SCSI, and diskette drives to the system board. Two or three types of signal cables come with the server: - IDE: The wider IDE signal cable has three connectors. One of these connectors is attached to the drive, one is a spare, and the third is attached to the primary IDE connector on the system board. The spare connector can be used to connect an additional IDE drive to the server. The CD-ROM drive is attached to an ATA 100 signal cable. ATA 100 signal cables are color-coded. The blue connector is attached to the system board. The black connector is attached to the master IDE device. The gray middle connector is attached to the subordinate IDE device. - Diskette drive: The narrower signal cable has two connectors. One is attached to the diskette drive, and the other is connected to the connector (FDD1) on the system board. - Serial ATA (SATA): The narrower, black signal cable has two connectors. One is connected to a simple-swap Serial ATA drive, and the other is attached to the connector on the system board. Each simple-swap Serial ATA drive comes with a cable. If you install an additional simple-swap Serial ATA drive, you will need an additional cable. If you install the optional ServeRAID-7t S-ATA controller to add a third and fourth SATA drive, all four SATA drives must then be connected to the ServeRAID-7t S-ATA controller instead of the system board. The optional ServeRAID-7t S-ATA controller comes with two cables that you can use to cable the third and fourth SATA drives. See the optional ServeRAID-7t S-ATA controller documentation for cabling instructions. - SCSI: A round SCSI cable connects the SCSI backplane to the SCSI channel B connector on the system board. The maximum cable length that supports Ultra320 SCSI hard disk drives is 61 cm (24 in.). Installing an additional microprocessor The following notes describe the type of microprocessor that the server supports and other information that you must consider when installing a microprocessor: v The server comes with one microprocessor and supports up to two microprocessors. v Read the documentation that comes with the microprocessor to determine whether you must update the basic input/output system (BIOS) code in the server. To download the most current level of BIOS code for your server, go to http://www.ibm.com/pc/support/. v (Optional) Obtain an SMP-capable operating system. For a list of supported operating systems, go to http://www.ibm.com/pc/us/compat/. v The microprocessors must have the same cache size and type, and the same clock speed. Microprocessor internal and external clock frequencies must be identical. You can use the Configuration/Setup Utility program to determine the specific type of microprocessor that is in the server. Chapter 2. Installing options 27

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The
following
cables
are
provided:
v
Power
cables:
Four-wire
power
cables
connect
the
drives
to
the
power
supply.
At
the
end
of
these
cables
are
plastic
connectors
that
can
be
attached
to
different
drives;
these
connectors
vary
in
size.
Use
either
a
four-wire
power
cable
or
Serial
ATA
power
cable
with
Serial
ATA
drives,
but
do
not
use
both
at
the
same
time
(use
one
or
the
other).
For
SCSI
hot-swap
drives,
a
special
power
cable
connects
the
SCSI
backplane
to
the
power
supply.
v
Signal
cables:
Signal
cables
are
typically
flat
cables,
also
called
ribbon
cables,
that
connect
parallel
IDE,
Serial
ATA,
SCSI,
and
diskette
drives
to
the
system
board.
Two
or
three
types
of
signal
cables
come
with
the
server:
–
IDE:
The
wider
IDE
signal
cable
has
three
connectors.
One
of
these
connectors
is
attached
to
the
drive,
one
is
a
spare,
and
the
third
is
attached
to
the
primary
IDE
connector
on
the
system
board.
The
spare
connector
can
be
used
to
connect
an
additional
IDE
drive
to
the
server.
The
CD-ROM
drive
is
attached
to
an
ATA
100
signal
cable.
ATA
100
signal
cables
are
color-coded.
The
blue
connector
is
attached
to
the
system
board.
The
black
connector
is
attached
to
the
master
IDE
device.
The
gray
middle
connector
is
attached
to
the
subordinate
IDE
device.
–
Diskette
drive:
The
narrower
signal
cable
has
two
connectors.
One
is
attached
to
the
diskette
drive,
and
the
other
is
connected
to
the
connector
(FDD1)
on
the
system
board.
–
Serial
ATA
(SATA):
The
narrower,
black
signal
cable
has
two
connectors.
One
is
connected
to
a
simple-swap
Serial
ATA
drive,
and
the
other
is
attached
to
the
connector
on
the
system
board.
Each
simple-swap
Serial
ATA
drive
comes
with
a
cable.
If
you
install
an
additional
simple-swap
Serial
ATA
drive,
you
will
need
an
additional
cable.
If
you
install
the
optional
ServeRAID-7t
S-ATA
controller
to
add
a
third
and
fourth
SATA
drive,
all
four
SATA
drives
must
then
be
connected
to
the
ServeRAID-7t
S-ATA
controller
instead
of
the
system
board.
The
optional
ServeRAID-7t
S-ATA
controller
comes
with
two
cables
that
you
can
use
to
cable
the
third
and
fourth
SATA
drives.
See
the
optional
ServeRAID-7t
S-ATA
controller
documentation
for
cabling
instructions.
–
SCSI:
A
round
SCSI
cable
connects
the
SCSI
backplane
to
the
SCSI
channel
B
connector
on
the
system
board.
The
maximum
cable
length
that
supports
Ultra320
SCSI
hard
disk
drives
is
61
cm
(24
in.).
Installing
an
additional
microprocessor
The
following
notes
describe
the
type
of
microprocessor
that
the
server
supports
and
other
information
that
you
must
consider
when
installing
a
microprocessor:
v
The
server
comes
with
one
microprocessor
and
supports
up
to
two
microprocessors.
v
Read
the
documentation
that
comes
with
the
microprocessor
to
determine
whether
you
must
update
the
basic
input/output
system
(BIOS)
code
in
the
server.
To
download
the
most
current
level
of
BIOS
code
for
your
server,
go
to
v
(Optional)
Obtain
an
SMP-capable
operating
system.
For
a
list
of
supported
operating
systems,
go
to
v
The
microprocessors
must
have
the
same
cache
size
and
type,
and
the
same
clock
speed.
Microprocessor
internal
and
external
clock
frequencies
must
be
identical.
You
can
use
the
Configuration/Setup
Utility
program
to
determine
the
specific
type
of
microprocessor
that
is
in
the
server.
Chapter
2.
Installing
options
27