[rescue] Sparc 20 schematics

[Peter Stokes]

Hi Mike

Yes, I was aware some were not necessarily exact copies (we used to sell Axil
ones), I am really clutching at straws so to speak, as any info on the boards
is better than where I am starting fromb&..

Thanks

Peter
> On 17 Nov 2019, at 12:09, Mike Spooner <mikes at aalin.co.uk> wrote:
>
> Careful with the Hyundai/Axil boards: most models used
Hyundai-custom-designed
> boards, not off-the-shelf Sun ones or Sun-designed ones (eg: Axil S420 had
16
> SIMM slots, not just the 8 on the stock SS20 layout).
>
>
>
>
> Similar applies to *some* Tatung sun4m clones.
>
>
>
>
> Many/most other makes of SS20 clone used the stock SS20 board purchased
direct
> from Sun (and often completely populated from Sun). A not-uncommon
variation
> was custom OBP firmware to support some non-sun framebuffers as console
> display, but that's all.
>
>
>
>
> - Mike
>
>
>
>
> On Sun, Nov 17, 2019 at 9:23 AM +0000, "Peter Stokes" <peter at ashlyn.co.uk>
> wrote:
>
>
>
>
>
>
>
>
>
>
> Hi All
>
> In the era of the Sparc 5 and 20 Sun licensed the design of the boards etc
to
> a few companies. I was wondering if anyone has the schematics to the Sparc
20
> board (Sun,Hyundai etc) as I have a few bdeadb ones arriving and wanted
to
> see if any were a straight forward fix such as dead crystals etc. Having
the
> schematics would improve my chances of resurrecting one or more of the
> boards.
>
> Reason for this is the lack of boards out there to buy and I have a couple
of
> customers who are still using 20s due to EOL software on them and having
many
> years of designs using them.
>
> Thanks
>
> Peter
>
> Sent from my iPad
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