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ASUS PSCH-L motherboard
2-21
3. IDE connectors (40-1 pin PRI_IDE[blue], SEC_IDE [black)
This connector supports the provided UltraDMA/100/66 IDE hard disk
ribbon cable. Connect the cable’s blue connector to the primary
(recommended) or secondary IDE connector, then connect the gray
connector to the UltraDMA/100/66 slave device (hard disk drive) and
the black connector to the UltraDMA/100/66 master device. It is
recommended that you connect non-UltraDMA/100/66 devices to the
secondary IDE connector. If you install two hard disks, you must
configure the second drive as a slave device by setting its jumper
accordingly. Refer to the hard disk documentation for the jumper
settings. BIOS supports specific device bootup. You may configure two
hard disks to be both master devices with two ribbon cables – one for
the primary IDE connector and another for the secondary IDE
connector.
1. Pin 20 on each IDE connector is removed to match the covered hole
on the UltraDMA cable connector. This prevents incorrect orientation
when you connect the cables.
2. The hole near the blue connector on the UltraDMA/100/66 cable is
intentional.
3. For UltraDMA/100/66 IDE devices, use the 80-conductor IDE cable.
PSCH-L
®
PSCH-L IDE Connectors
NOTE: Orient the red markings
(usually zigzag) on the IDE
ribbon cable to PIN 1.
SEC_IDE
PIN 1
PRI_IDE
PIN 1