Kai Kaltenbach wrote:
Quarterdeck QRAM only did that with NEAT or LEAP chip
sets
from Chips &
Technologies, by using the shadow RAM mapping, and
required 1MB on the
motherboard, not 640K. I didn't think that was a
significant enough
market share to mention.
Ah, so that was the trick. After I saw your comments about
the EGA card and using additional memory, I seem to recall
that QRAM could also use the video RAM on the EGA card while
it was running in mono mode but may have required a TSR to
allow that.