What the hell is this thing? Found it in my stockpile of ancient hardware, right at the bottom. It looks like some kind of old USB serial cable or something. Also I remember an old Gravis game pad I had that had a similar connector to this.
http://www.imgjoe.com/x/dscf0523.jpg
http://www.imgjoe.com/x/dscf0522.jpg
http://www.imgjoe.com/x/dscf0523.jpg
http://www.imgjoe.com/x/dscf0522.jpg