[rescue] SPARCstation 1 boot woes

[David McMackins II]

If you jump back to 2008 on the Wayback Machine, they seem to have it!

https://web.archive.org/web/20080315094951/http://www.sunhelp.org/~mouse/


-- 
Regards,

David E. McMackins II
www.mcmackins.org

On Sun, 2025-11-02 at 19:14 -0500, Mouse via rescue wrote:
> I finally got two of my SLC/ELC baords home and started to set one
> up.
> I got the console port wired up and dragged out an old power suply to
> which I had attached the relevant power harness.  Plugged it all in.
> Turned the power supply on and...C10112 exploded.  Literally.  And
> the
> remnants caught fire.
> 
> I haven't had a failure mode that spectacular since the time I hooked
> a
> 7805 up with power and ground switched.
> 
> C10112 is adjacent to the leftmost (holding the board component side
> towards you, main connector to the bottom) few pins of the main
> card-edge connector.
> 
> The power suply runs fine with no load connected.  +5 and +12 (on one
> of the 4-pin disk Molex connectors) are reasonable.
> 
> So I was going to measure all the voltages on the SLC/ELC connector.
> But I can't find my documentation on it.  ohno had it as
> www.sunhelp.org/~mouse - which still exists as a link on
> www.sunhelp.org/hardware/ ("Operating a SPARCstation ELC as a
> Headless
> Server"), but it's now a dead link.
> 
> Anyone happen to have a copy?  I did a little looking for the
> original
> I used to push to ohno, but haven't found it yet.  duckduckgo doesn't
> seem able to find it on archive.org; archive.org's own search doesn't
> find any hits.  The present www.sunhelp.org doesn't accept my ssh
> key.
> And mrbill.org doesn't seem to exist any longer.
> 
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