Help identify "multichip module"

[Pontus Pihlgren]

On Mon, Feb 05, 2018 at 11:37:27AM +0100, Camiel Vanderhoeven wrote:
>     On Sat, Feb 03, 2018 at 06:49:57PM +0100, Pontus Pihlgren via cctalk wrote:
>     > Hi
>     > 
>     > I got this picture sent to me with zero context. Does anyone recognize 
>     > what it is?
>     > 
>     > http://www.update.uu.se/~pontus/slask/identify/mystery_chips.jpeg
>     > 
>     > Thank you,
>     > Pontus.
> 
> I have seen these before, in another life as an audio/video technician. These plug into the video processor board on older Grass Valley equipment, like the 100 and 200 series production switchers. I believe - but this is where I enter the realm of speculation - they are ROMs containing the code for different effects. The utility processor board has a DEC J11 processor on it.
> 
> Camiel.
>     
> 
> 

It looks like a pretty neat toy to play with:

http://meci.com/electronics/grass-valley-group-video-production-switch-control-panel-100-n-frame-087610-00.html

If you happen to stumble upon one...

Cheers,
Pontus.