That's a beautiful board. While I have no docs, a careful look confirms for me that it would superimpose something (likely clock data) on a video signal. The horizontal and vertical counters, mux and Rom give that away.
I love the layout. Absoloutly done in the days of tape ar 2 or 4 times. Beautiful. On Sat, 21 Mar. 2020, 8:26 am William Sudbrink via cctalk, < cctalk@classiccmp.org> wrote: > I would bet that that board increases the resolution of one of the early > SWTPc terminals. I'm not sure which one. > > Bill S. > > -----Original Message----- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Kyle > Owen via cctalk > Sent: Friday, March 20, 2020 3:52 PM > To: General Discussion: On-Topic and Off-Topic Posts > Subject: SWTPC SuperClock II board > > In the midst of cleaning up, I came across this board. Can't seem to find > any info online about it. There's another board from another company, not > SWTPC, with the same name—apparently a timekeeping board for an Apple II. > > https://imgur.com/a/j8pyqMZ > > I assume this is a way to generate a composite video signal with the > current time displayed? Anyone have schematics or a parts list? > > Thanks, and stay healthy! > > Kyle > > > -- > This email has been checked for viruses by Avast antivirus software. > https://www.avast.com/antivirus > >