Re: Varian 620/L backplane netlist?

2022-02-15 Thread Bill Degnan via cctalk
Dave mcguire has one at LSSM near Pittsburgh On Tue, Feb 15, 2022, 1:22 PM Mark Kahrs via cctech wrote: > I realize this a rare bird indeed, but would anyone just happen to have a > Varian 620/L backplane netlist hanging around? > > Unless I missed it, the schematics on bitsavers do *not* have

Re: DECTape head problem (I've uploaded pictures)

2022-02-15 Thread Gary Oliver via cctalk
Some folks asked for pictures and information about my Astrotype DECtape project. I've uploaded some pictures and other details to the web for your enjoyment. http://xx2247.com contains some photos and first-draft information about the components.  I'll update this site from time-to-time as

Re: Varian 620/L backplane netlist?

2022-02-15 Thread Van Snyder via cctalk
On Tue, 2022-02-15 at 13:22 -0500, Mark Kahrs via cctalk wrote: > I realize this a rare bird indeed, but would anyone just happen to > have a > Varian 620/L backplane netlist hanging around? > > Unless I missed it, the schematics on bitsavers do *not* have it. In 1972, I wrote microcode for the

Varian 620/L backplane netlist?

2022-02-15 Thread Mark Kahrs via cctalk
I realize this a rare bird indeed, but would anyone just happen to have a Varian 620/L backplane netlist hanging around? Unless I missed it, the schematics on bitsavers do *not* have it.