*** Glen McNabb wrote in a message to Peter Magnusson:
PM>  CI>   Does the video memory start at $A000 on all gfx. cards??
PM> 
PM> $A000:0000 or (flat) $000A0000, yes.
GM> Except CGA (cruddy graphics adaptor) B800:0000 amounts
GM> vary... 
GM> Propriatary graphics on AT's class and up vary on a rare
GM> basis... 
There's also the 8514, which is apparently accessed via commands, and 
apparently doesn't need memory space.
I don't know what PGA uses, but I think it's B800.  It's so rare, though, 
even at the time that it was sold, that I doubt that anyone would complain if 
you decided to ignore it.
--Scott.
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