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E-7
WHEN
USING
A
PRIMARY
IDE
CONTROLLER
Most
PCs
provide
one
IDE
cable
to
support
two
devices
(one
for
hard
disk,
the
other
for
a
second
hard
disk
or
a
CD-ROM
drive).
This
IDE
cable
originates
either
on
the
motherboard
or
on
a
controller
card.
This
controller
is
termed
the
primary
IDE
controller,
and
the
hard
disk
attached
that
contains
the
operating
system
for
boot-up
is
set
up
as
the
Primary
Master.
Your
CD-ROM
drive
should
be
set
to
the
Slave
mode.
Hard
Disk
Controller
Card
(This
card
may
be
a
connector
on
the
Motherboard)
Primary
IDE
Channel
Primary
Slave
(Hard
Disk
or
CD-ROM
Drive)
Primary
Master
(Hard
Disk
for
Boot-up)
Card
Slot
Motherboard
Figure
4.
Primary
Controller
system
Configuration
Note:
Many
older
1X
and
2X
CD-ROM
drives
used
a
40
pin
controller
card
that
were
not
IDE
compatible.
These
were
proprietary
interface
cards
for
use
with
a
particular
model
CD-ROM
Drive.
Many
older
Sony,
Panasonic,
and
Mitsumi
drives
used
40
pin
proprietary
interface
cards.
If
you
are
upgrading
from
an
older
CD-ROM
drive,
your
new
CD-ROM
will
not
work
on
a
proprietary
interface
card.
You
will
need
to
buy
a
secondary
IDE
controller
card.
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