Asus RS161-E4/PA2 - Manual (Page 54)

4-8 Chapter 4: Motherboard information
4.3 Internal 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.
R
KFN4-DRE
KFN4-DRE Floppy Disk Drive Connector
NOTE: Orient the red markings on
the floppy ribbon cable to PIN 1.
PIN 1
FLOPPY1