MDA (Hercules) connector

#Computer#Videocards connectors
9 pin D-SUB FEMALE connector pin-out & layout

9 pin D-SUB FEMALE connector  at the videocard

PinNameDescription
1GNDGround
2GNDGround
3n/c 
4n/c 
5n/c 
6IIntensity
7MMono Video
8HHorizontal Sync
9VVertical Sync

IBM PowerPC Video connector

Media Independent Interface (MII) Connector