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Chapter 1: Product Information
1.12 Connectors
This section describes and illustrates the connectors on the motherboard.
1. IDE connectors (40-1 pin PRI_IDE, SEC_IDE)
This connector supports the provided UltraDMA133/100 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
UltraDMA133/100 slave device (hard disk drive) and the black connector to the
UltraDMA133/100 master device. It is recommended that you connect non-
UltraDMA133/100 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. If you have more than two
UltraDMA133/100 devices, purchase another UltraDMA133/100 cable. 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.
A7N8X-VM
A7N8X-VM IDE Connectors
NOTE: Orient the red markings
(usually zigzag) on the IDE
ribbon cable to PIN 1.
SEC_IDE
PIN 1
PRI_IDE
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.
For UltraDMA133/100 IDE devices, use 40-pin 80-conductor cable.