Seeking Xceed Color30 card

[Robert Borsuk]

On Apr 12, 2008, at 5:57 PM, Jeff Walther wrote:
> Actually, that project was just to clone the Grayscale adapter card.  
> It did not include the frame buffer main card.   The main card was  
> based on a custom chip by Micron--not an FPGA unfortunately.   So  
> the chances of cloning it without having to redesign the bulk of the  
> logic is nill.
>
> Now, it really shouldn't be that hard to whip something up with an  
> FPGA and either some fastish SRAM or an open core DDR2 controller  
> and one DDR2 memory chip.    However, figuring out all the ins and  
> outs of properly interfacing to the Mac OS of the time has had me  
> slowed and stopped for a while.   It's probably not all that  
> difficult, but it is tedious and there is a lot of information to  
> sort through.  One of the hardest parts is knowing which information  
> I actually need. For every useful tidbit I find, I've gone through  
> 20 chunks of old Mac knowledge which don't apply but were in the way.
>
> Jeff Walther
>