I actually have the same card and mouse, as well as an Inport card and mouse. It's said they're compatible however I've never checked myself.



The MS mouse does fit into the connector. With the reports from the 80s saying they're compatible odds are it'll work, it's just too warm to go dig the MDA monitor out of the garage to check.



Just curious, which Compaq do you have? If needed I can get pictures of opening a Compaq Portable(\Plus).