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P C / 1 0 4 M o d u l e
2.19 IDE Connector (CN9)
The built-in Enhanced IDE (Integrated Device Electronics)
controller supports up to two IDE devices, including CD-ROM
drives, tap e backup drives, a large hard disk drive and other IDE
devices.
Connecting the hard drive
Connecting drives is done in a daisy-chain fashion. It requires one or
two cables, depending on the drive size. 1.8" and 2.5" drives need a 1
x 44-pin to 2 x 44-pin flat-cable connector. 3.5" drives need a 1 x
44-pin to 2 x 40-pin connector.
Wire number 1 on the cable is red or blue, and the other wires are
gray.
1.
Connect one end of the cable to CN9. Make sure that the red
(or blue) wire corresponds to pin 1 on the connector, which is
labeled on the board (on the right side).
2.
Plug the other end of the cable into the Enhanced IDE hard
drive, with pin 1 on the cable corresponding to pin 1 on the
hard drive. Unlike floppy drives, IDE hard drives can connect
to either end of the cable. If you install two drives, you will
need to set one as the master and one as the slave by using
jumpers on the drives. If you install just one drive, set it as the
master.
Chapter 2 Quick Installation Guide
P C M - 5 3 3 5
2 - 20
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