I picked this up locally planning to use it with a IIc. It looks the part, it even came from the local school system. The last 2 characters on the model number are even "GS". There is a disk inside it...Wheel of Fortune" form 1988 that says on the label "Boot DOS disk (version 2.11 or greater) then insert this one to launch the game. When I look at the serial ports on older PC's, I do not see this 19 pin DB connection, but it does fit the port on the Apple IIc. Really, really do not want to fry the Iic. Anyone out there have any confidence on this or a way to test?