Question about Mac 512k case

[mloret]

Just picked up this 512k. What is this thing on the back of the case? When I opened the case and looked inside, there was nothing of note present ?

 

[Byrd]

It would have been for an early video out adapter/cable, usually supporting TTL (monochrome) video output, or to be used on a matching device to display on an overhead projector. Shame it's not there but not really useful unless you have the matching monitor or other part.

 

[unity]

Those are often lost, so oddly enough it probably has a small value to someone, somewhere to complete they video out setup they have.