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38 ASUS P3W User’s Manual
Connectors
3. H/W SETUP
3. HARDWARE SETUP
9) Primary / Secondary IDE Connectors (40-1 pin PRIMARY/SECONDARY)
These connectors support the provided IDE hard disk ribbon cable.
After connecting the single end to the board, connect the two plugs at the other
end to your hard disk(s). If you install two hard disks, you must configure the
second drive to Slave mode by setting its jumper accordingly. Refer to your hard
disk documentation for the jumper settings. BIOS now supports specific device
bootup (see Boot Sequence in 4.6 Boot Menu). (Pin 20 is removed to prevent
inserting in the wrong orientation when using ribbon cables with pin 20
plugged).
TIP: You may configure two hard disks to be both Masters with two ribbon
cables – one for the primary IDE connector and another for the secondary IDE
connector. You may install one operating system on an IDE drive and another on
a SCSI drive and select the boot disk through Boot Sequence in 4.6 Boot Menu.
IMPORTANT: UltraDMA/66 IDE devices must use an 80-conductor IDE
cable.
10101
®
P3W
P3W IDE Connectors
NOTE: Orient the red markings
on the IDE ribbon cable to
PIN 1
Primary IDE Connector
Secondary IDE Connector
PIN 1
10) IDE Activity LED Lead (2-pin IDELED)
This lead supplies power to the cabinet’s IDE activity LED. Read and write
activity by devices connected to the Primary and/or Secondary IDE connectors
will cause the LED to light up.
10101
®
P3W
P3W IDE Activity LED
TIP: If the case-mounted LED does not
light, try reversing the 2-pin plug.
IDELED