[rescue] Tips on VME board access

[Kurt Nowak]

Yes, I've been looking. They are ridiculously pricey! And then there is the
problem of finding one that matches the Sun3. The 3/110 chassis is all
welded together so accessing the backplane is difficult. Even if I could,
it would be a sketchy situation with the 3 boards on top of each other
without any ability to space them apart without the side rails. I
thought about making 3x 96pin ribbon cables with the matching AMP
connectors but connecting/disconnecting them to the backplane seems like it
wouldn't be easy. Probably easier/cheaper to just have an extender board
fabricated.

-Kurt

On Sat, Jun 3, 2023 at 9:39 AM Dave McGuire via rescue <rescue at sunhelp.org>
wrote:

> On 6/3/23 12:28, Kurt Nowak via rescue wrote:
> > I have a 3/110 with a faulty video section (hangs at boot when it polls
> > the FB) and I want to be able to probe and troubleshoot the board. Does
> > anyone have any tips on how to get at it since it's buried in the VME
> > chassis. I was thinking of having an extension card made but thought I'd
> > ask here and see what others have done first. Any thoughts would be
> > appreciated. Thanks
>
>    Extender boards are available, but they cost a fortune.  VME is a
> current bus, elsewhere if not in the Sun world.  I'd assume somewhere
> north of $750 for a 9U VME.
>
>    In the past, I've put Sun VME boards in larger chassis (x60, x80) to
> gain access.
>
>              -Dave
>
> --
> Dave McGuire, AK4HZ
> New Kensington, PA
>
>
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>
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