Still, all of the pre-VGA graphics card used a DE-9 connector for video output. This connector – the same connector used in old ‘hardware’ serial ports – had nine pins. VGA stuffed 15 pins ...

I know this, but it never stops me from being surprised when something long-forgotten resurfaces. Something, that is, like ...

(D-SUBminiature connectors) A family of plugs and sockets widely used in communications and on earlier PCs. For example, the analog VGA monitor interface uses a D-sub 15-pin plug and socket.

Old-school Macintosh-to-VGA adapter. Just solve for X ... on what value the system reads on the three sense pins on the DA-15 connector, as a kind of crude monitor ID. Theoretically this should ...