Re: 710/720 hires board found!

Wow, nice! I’d love to see that reverse engineered!

Steve


> On Feb 18, 2018, at 11:28 AM, vossi <vossi@ceffy.de> wrote:
> 
> Hi, I just found this Hires-Graphics-Extension in a B720. It plugs between
> the Char ROM and the Screen Memory. It also plugs in the 74245 buffer U30 -
> and the 245 is on the hires-board. It has 32kB dedicated ram. That's enough
> for one page with 640x350 resolution monochrom. It had some wires to the
> userport...
> Has anybody Infos about this extension?
> 
> PS: The 720 is actually dead - so I'm not able to test it...
> 
> Here is a pic:
> http://lc64.blogspot.de/2018/02/cbm-710720-hires-board-found.html
> 
> 
> 
> --
> Sent from: http://cbm-hackers.2304266.n4.nabble.com/
> 
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