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The IBM DA15 PC game connector has been modified to add a ( usually MPU-401 compatible ) MIDI interface, and this is often implemented in the game connectors on third-party sound cards, for example the Sound Blaster line from Creative Labs.

The " standard " straight game adapter connector ( introduced by IBM ) has three ground pins and four + 5V power pins, and the MIDI adaptation replaces one of the grounds and one of the + 5V pins, both on the bottom row of pins, with MIDI In and MIDI Out signal pins.

( There is no MIDI Thru provided.

) Creative Labs introduced this adaptation .< sup >