On Sun, May 4, 2025 at 2:09 AM Jerry Weiss <j...@ieee.org> wrote: > My note in the DEC VCF forum might give you some more background. > > https://forum.vcfed.org/index.php?threads/real-time-clock-card-gtsc306a-adding-calender.71542/ > https://bitsavers.trailing-edge.com/pdf/gtsc/979-0021-306_GTSC306_Sep88.pdf
Thanks for the link to the VCF post. I added to it just now with a photo of my 307. -ethan