GS WorldView: February MM Mystery Solved! Chatsworth Card Identified by Steve (Stingray) It is not a pc floppy card, or any other kind of floppy interface for that matter. Michael Crane was correct when he said that looks to be some kind of controller, however it's not for a tape drive as he theorized (good guess though, Michael!). I went back to the place where I got the //e that had the card inside and started digging through boxes. I found a Chatsworth Data card reader. Further digging uncovered the software, and a small package of genuine chatsworth data cards (copyright 1984). These are the cards that schools use for tests that the computer "grades". So, would anyone like to add a complete Chatsworth Data card reader to their A2 collection? Lord knows my wife thought I was insane for bringing it home! Steve