This connector supports the provided UltraATA/100/66/33 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 UltraATA/100/66/33 slave device (hard disk drive) and the black connector to the UltraATA/100/66/33 master device. It is recommended that you connect
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.
Secondary IDE Connector
Primary IDE Connector
NOTE: Orient the red markings (usually zigzag) on the IDE ribbon cable to PIN 1.
For UltraATA/100/66 IDE devices, use an