Power
and
signal
cables
for
internal
drives
Your
computer
uses
cables
to
connect
parallel
IDE
and
serial
ATA
devices
to
the
power
supply
and
to
the
system
board.
(See
for
the
location
of
system-board
connectors.)
Review
the
following
information
before
connecting
power
and
signal
cables
to
internal
drives:
v
The
drives
that
are
preinstalled
in
your
computer
come
with
power
and
signal
cables
attached.
If
you
replace
any
drives,
remember
which
cable
is
attached
to
which
drive.
v
When
you
install
a
drive,
ensure
that
one
of
the
drive
connectors
of
the
signal
cable
is
connected
to
the
drive
and
that
the
connector
at
the
other
end
of
the
signal
cable
is
connected
to
the
system
board.
v
If
you
have
only
one
IDE
device
on
a
cable,
it
must
be
set
as
a
master
device.
v
If
two
IDE
devices
are
used
on
a
single
cable,
one
must
be
designated
as
the
master
device
and
the
other
as
the
subordinate
device;
otherwise,
the
computer
might
not
recognize
some
of
the
IDE
devices.
The
master
and
subordinate
designation
is
determined
by
switch
or
jumper
settings
on
each
IDE
device.
v
If
two
IDE
devices
are
on
a
single
cable
and
only
one
is
a
hard
disk
drive,
the
hard
disk
drive
must
be
set
as
a
master
device.
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.
You
can
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).
v
Signal
cables:
Signal
cables
are
typically
flat
cables,
also
called
ribbon
cables,
that
connect
parallel
IDE
and
serial
ATA
drives
to
the
system
board.
Two
or
three
types
of
signal
cable
come
with
your
computer:
–
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
master
or
subordinate
IDE
connector
on
the
system
board.
The
spare
connector
can
be
used
to
connect
additional
IDE
drives
to
your
computer.
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.
If
you
are
installing
an
additional
hard
disk
drive,
you
must
change
the
switch
or
jumper
setting
on
the
CD-ROM
drive
to
make
the
drive
a
subordinate
device,
set
the
switch
or
jumper
setting
on
the
new
drive
to
master,
and
change
the
connector
used
for
the
CD-ROM
drive
to
the
gray
middle
connector.
The
new
drive
will
be
connected
to
the
black
master
IDE
device
connector.
–
Serial
ATA:
The
narrower,
black
signal
cable
has
two
connectors.
One
is
attached
to
the
serial
ATA
IDE
drive,
and
the
other
is
attached
to
the
connector
on
the
system
board.
Each
serial
ATA
drive
comes
with
a
cable.
If
you
install
an
additional
serial
ATA
drive,
you
will
need
an
additional
cable.
Installing
memory
modules
The
following
notes
describe
the
types
of
dual
inline
memory
modules
(DIMMs)
that
your
computer
supports
and
other
information
that
you
must
consider
when
installing
DIMMs.
44
IBM
IntelliStation
M
Pro
Types
6220
and
6230:
Hardware
Maintenance
Manual
Summary of Contents for IntelliStation M Pro
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