Asus RS120-E4 User Guide - Page 57

4.3 Connectors 1. Floppy disk drive connector (34-1 pin FLOPPY1) This connector is for the provided floppy disk drive (FDD) signal cable. Insert one end of the cable to this connector, then connect the other end to the signal connector at the back of the floppy disk drive. Pin 5 on the connector is removed to prevent incorrect cable connection when using a FDD cable with a covered Pin 5. ® P5M2-R FLOPPY1 P5M2-R.Floppy.disk.drive.connector PIN 1 NOTE:.Orient the red markings on the floppy ribbon cable to PIN 1. 2. IDE connector (40-1 pin PRI_IDE1) This connector is for an Ultra ATA 100/66/33 signal cable. By default, this connector supports the optical disk drive. You must configure the optical drive as master/slave device by setting its jumper accordingly. Refer to the optical disk drive documentation for the jumper settings. Pin 20 on the IDE connectors is removed to match the covered hole on the Ultra ATA cable connector. This prevents incorrect insertion when you connect the IDE cable. ® P5M2-R P5M2-R.IDE.connector ASUS RS120-E4/PA4 PRI_IDE1 PIN 1 NOTE:.Orient the red markings (usually zigzag) on the IDE ribbon cable to PIN 1. 4-