I have a few VR201 boards I might let loose. I don't want to sell any monitors until I fell off the DECMATES , Rainbows, and Pros.
Paul On Sat, Jan 19, 2019 at 12:57 PM Warner Losh via cctalk < cctalk@classiccmp.org> wrote: > Greetings, > > I'm trying to find a way to get my DEC Rainbow's monochrome output onto a > newer monitor than my aging VR201 (especially since I zapped something in > it and my diagnostic efforts to date haven't fixed it). > > So, I found the bit in the Rainbow docs that said the output was DC Coupled > RS-170 signals and to convert to RS-170 (NTSC black and white) I needed to > put a 10uF cap inline to make it RS-170. So I did this, and fed it into a > generic NTSC composite video to VGA thing, and got only a little joy. The > first few lines seem to be missing, then the next few are OK and then > nothing else. > > I tried to google this, but found nothing. My google foo has failed me. > > Does anybody else have a working setup? > > Warner >
