Epson Endeavor 468C - Manual (Page 89)

2. Attach one end of the feature cable to the alternate VGA
interface on the main system board near the back panel, as
shown below. Align the cable so the red wire along one
edge is closest to pin 1 in the socket.
3. Connect the other end of the cable to the appropriate
interface on the adapter card. (Check your graphics card
manual for instructions.)
4-18 installing and Removing Options