Asus M3A79-T Deluxe - Manual (Page 50)

2-24 Chapter 2: Hardware information
2.8.2 Internal connectors
1. Floppy disk drive connector (34-1 pin FLOPPY)
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.
• The floppy disk drive cable is purchased separately.
2. Digital audio connector (4-1 pin SPDIF_OUT)
This connector is for an additional Sony/Philips Digital Interface (S/PDIF)
port(s). Connect the S/PDIF Out module cable to this connector, then install
the module to a slot opening at the back of the system chassis.
The S/PDIF module is purchased separately.