Here’s what was may have been in the Option ROM socket: http://wayne.lorentz.me/computers/trs-80/this_trs-80/ <http://wayne.lorentz.me/computers/trs-80/this_trs-80/>
There were other systems available, but the AP one was the most popular. I dated a newspaper reporter from your region (different paper, though), and she used a BaSys system at work, which I believe had some kind of M100 interface. Unfortunately, the name “BaSys” has been used multiple times by multiple companies, so an internet search has been worthless. > On Sep 20, 2022, at 3:03 PM, m100-requ...@lists.bitchin100.com wrote: > > All 3 were used at 'The Record', a newspaper in Hackensack New Jersey. I > purchased them from ebay many years ago as 'not working'. I thought they > would be great projects. But when I took out the old crusty batteries, > cleaned the contacts, and put new batteries in, they all worked! The > keyboards feel a little soft to me. I think I removed dental rings from the > keyboard on at least one of them, wish I had left it alone now. Nothing was > in the Option ROM sockets on any of these machines.
