Chip Memory
Gary >>If the Alice ever gets updated to access 8 megs then I could swap
out the Alice and change the jumper ?<<
I don't know.
It would require remapping of the CHIP RAM to another location. As is, if
the CHIP memory were to expand from a 2meg chunk to an 8-meg chunk, it
would overlap 6-megs of the Zorro-II memory area, leaving only 2-megs for
FAST memory.
If there were another jumper for remapping the CHIP memory into a reserved
area in the Zorro-III range, there wouldn't be a problem. I do remember
Dave Haynie talking about it being possible to design the Agnus/Alice to
see its CHIP memory area at a different location.
I don't think the Alice, was designed to physically access the extra
memory, and if not it wouldn't be pin comaptible once it was expanded.
Ron.
– ap'ing with AP. (Eagles may fly, but weasels aren't sucked
into jet engines.)