[rescue] sun 3/60 update

Mouse mouse at Rodents-Montreal.ORG
Thu May 22 00:16:33 EDT 2025


> I=E2=80=99d love to see the ethernet, video, keyboard and mouse back,
> so that it can be a fully functional workstation [...].  That would
> make the very low availability of the sun3 machines somewhat less of
> a problem for someone who wants to get started.

It would at that!

> And I=E2=80=99d second the suggestion to skip 30 pin SIMMs and use 72
> pin SIMMs instead.  They are much easier to get in larger sizes.
> And, I=E2=80=99d bet that 72 pin SIMM sockets are easier to get, as
> well.

But don't forget that this was built to not the functionality but the
*schematics* of the original -3/60.  Switching from 30-pin to 72-pin
SIMMs would entail a redesign - a rather partial redesign probably but
still a redesign.  I don't know enough about memory buses to know how
big a redesign it would be....

I too would like to see video, keyboard, and mouse.  (The Ethernet is
already there, provided you don't insist on thinnet - it was
specifically *co-ax* Ethernet which was called out as omitted, and the
picture shows an AUI-to-10baseT microtransceiver, so it presumably has,
like the original, AUI Ethernet.)  But I'm not doing the work, so what
I'd like to see is at most a peanut-gallery comment.

I'd also like to see the 24M cap on RAM lifted.  But I don't know how
feasible that would be, and, while NetBSD either understands or can be
made to understand a >24M -3/60, SunOS might not get along with it.
(Are there any other OSes that run on the -3/60?)

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