[rescue] VSIMM As (Re: Looking for a VSIMM for SS20)

[John-Paul Stewart]

On 2022-07-25 19:01, Joshua D. Boyd wrote:
> 
> I realized that I had never seen a Sun 501-2488 auxilliary video boards
> needed to use a second VSIMM.
> 
> I was able to find an ebay auction with pictures:
> https://www.ebay.com/itm/294506217547
> 
> It looks like analog video is coming directly from the SBUS slot.

It's not the SBus slot.  There's a special, smaller connector for the
AVB near one of the SBus connectors.  The boards would occupy the same
physical space and back panel cutout, but it is not SBus.

You can see the "AUX VIDEO" connector clearly labelled below "SBus 2" in
the bottom right of the motherboard diagram at

https://shrubbery.net/~heas/sun-feh-2_1/Devices/System_Board/SYSBD_Station_20.html