SGI Indigo Update

[Rico Pajarola]

http://forums.nekochan.net/viewtopic.php?t=3731 has the pinouts. Works like
a charm ;)






On Mon, Dec 12, 2016 at 5:52 AM, <ethan at 757.org> wrote:

>
> I started updating my blog with (hopefully useful) information.
>
> I did a write up on the SGI Indigo so far and will update it with future
> findings. It's at http://ethan.757.org/?p=32
>
> I made a list of all the tantulum SMD capacitors of the style of the one
> that fried. I think I figured out digikey part numbers for most (And
> published the sizes I measured of the caps.)
>
> If the cap that fried belongs to the audio section, I was thinking maybe
> those components use negative PSU voltages (op-amps, DACs) so maybe the PSU
> is doing something funky. Finding a pinout for the Indigo PSU might take a
> little bit of work -- but since I have mine apart I should be able to
> document some of it.
>
> So many projects!
>
>
> --
> Ethan O'Toole
>
>