[rescue] sun 3/60 update

[Phil Stracchino]

On 5/21/25 12:51, Dan Moisa via rescue wrote:
> 
> OS - Right now I'm netbooting sunos 4.1.1, but I'll try NetBSD as well. 
> Aside from the missing peripherals it's a real 3/60 with no deviations 
> at this point, so anything that runs on the original will run here. I'm 
> engaged with another person outside of this list who's looking at the 
> boot prom and has written a few bare-metal demos for it.
> 
> RE: boards and making it available - absolutely. I have 4 additional 
> boards from the initial run (min of 5 order) and I won't be needing all 
> of them. The first run needs 2 trace corrections on the board itself 
> (intermediate-level soldering) so for those interested I can patch the 
> board and send it out/etc.
> 
> I'll post everything on Github - I have an almost-final version on there 
> right now but it's not organized well, etc. I made the project with 
> KiCAD, and I'll put all the schematics, etc. as well as consolidate the 
> pal images, put up some build instructions (I spent a lot of time 
> building incrementally and testing, and it was a lot of help).
> 
> Right now it's a 4-layer board with signals on the top and bottom, which 
> was the right call. I wanted to make sure I can fix small errors if I 
> find them, and I did have 2 places where I had to change the connections 
> to make it work. It was a pain to route it, I managed to do most of it 
> with the autorouter in KiCAD but it took over 2 weeks of fiddling with 
> it and the actual routing run took over 12 hours.
> 
> Dave - I'll probably wire another one up, test it and ship it to you. 
> I'm doing this purely for preservation and admiration for what the SUN 
> folks did back in the day - having a computer from '87 with software 
> from '92 able to get on the Internet today is quite something.


An impressive accomplishment!


-- 
   Phil Stracchino
   Fenian House Publishing
   phils at caerllewys.net
   phil at co.ordinate.org
   Landline: +1.603.293.8485
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