On Mar 24, 1:38, Tony Duell wrote:
Or maybe you could put the CPU/RAM/DMA peripherals in
a Q22 backplane and
then link that to a Q18 backplay with the ADV11 card in it. If you like,
you could connect BDAL18-BDAL21 between Qbus In and Qbus Out on that
backplane, so that you could have more Q22 backplanes 'dowstream' of it.
Wouldn't it be much easier just to modify the ADV11-A? Since the print set
shows it does use BBS7, and BC1 is simply grounded, it's apparently just a
case of cutting one track to make it work in a Q22 system.
--
Pete Peter Turnbull
Dept. of Computer Science
University of York