A photo of an old PC soundcard. It has a number of audio sockets on its backplate, but also has a second backplate connected by a flat ribbon cable - this backplate is being held up to the camera to show off a 15-pin socket, which is the old PC gameport socket.
https://digipres.club/system/media_attachments/files/112/614/674/440/731/833/original/cafc682b95ed80af.jpeg