Re: DMA 4 meg v. 8 meg

[KP <kjpmail@gmail.com>]

On May 6, 11:21 am, schmidtd <schmi...@my-deja.com> wrote:
> On May 6, 11:05 am, KP <kjpm...@gmail.com> wrote:
>
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> > On May 6, 11:01 am, schmidtd <schmi...@my-deja.com> wrote:
> > > On May 6, 10:49 am, KP <kjpm...@gmail.com> wrote:
>
> > > > If you have a physical card in some of the slots, could you override
> > > > recognition of that card and use the slot as a virtual slot for the
> > > > CFFA3K?
>
> > > The CFFA3k will insert virtual ROM in the slot you tell it to.  So, if
> > > your card already has ROM in that space, they'll collide.
>
> > > > For example, if I have a Z80 card in Slot 4 but I want (for some
> > > > reason) to mount a disk image from the CFFA3K in Slot 4, do I have to
> > > > physically remove the Z80 card, or can the Apple be told to ignore the
> > > > physical card and recognize the virtual card?
>
> > > In the GS through the control panel, you can configure a slot to
> > > either behave with the internal definition or instead to obey what's
> > > plugged into it.  In order to get the CFFA3k's virtual Disk II slot
> > > working, you have to set that slot to "your card" so the ROM can be
> > > inserted in that memory space.  If there's a physical card in that
> > > slot already, it wouldn't work.  So I think the short answer to your
> > > question is, "no."
>
> > > But it's endlessly configurable... you can set the CFFA3k to emulate
> > > the Disk II in the slot that the '3k is already occupying, too.  It'll
> > > disable the SmartPort drive capability, but it's possible.
>
> > So if I have empty slots 5 (except for the smartport 3.5" drive), 6
> > (except for the smartport 5.25" drive), and the CFFA3K is in 7, then
> > that should be more than adequate?
>
> More than adequate.  Keep in mind there are four possible things at
> work here, and three useable slots - you only get to use three.  You
> lose one of the four.  You pick which one.
> Slot 5: physical 3-1/2" disk drive or the phantom Disk II
> Slot 6: physical 5-1/4" disk drive or the phantom Disk II
> Slot 7: CFFA3k SmartPort or the phantom Disk II
> In no case can you have both in a slot at once.- Hide quoted text -
>
> - Show quoted text -

I assume that Slot 5 and Slot 6 can just as easily be "phantom 3.5
disk" and "phantom hard disk"?

Also, how does the CFFA3K smartport work?  Is that the CF hard disk?
Or is that where the phantom 3.5 and phantom hard disks go?