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Re: Installing GS RAM card in slots 1-7
On May 21, 6:51 pm, "Michael J. Mahon" <mjma...@aol.com> wrote:
> mdj wrote:
> > On May 21, 11:11 am, "Michael J. Mahon" <mjma...@aol.com> wrote:
>
> >> The same is, of course, true of the //e AUX slot and any other
> >> slot.
>
> > Although in this case, an AUX style card in slot 1-7 is theoretically
> > possible, but unnecessarily complicated in design.
>
> It wouldn't be possible to provide 80-column and DHR functionality
> from the peripheral bus, since both the AUX memory access and the
> main memory access must occur in the same cycle.
True - you'd need to leave the 64k card in place...
/INH is a really interesting signal. I can't think of any other cards
that used it except the 16k language card and friends, despite the
myriad possibilities that spring to mind when I consider what it *can*
be made to do ...
Matt