Re: Apple II accelerator card.

["Brian D. Uhreen" <bduhreen@freenet.calgary.ab.ca>]

On Wed, 16 Aug 1995, David Empson wrote:

[Snip] 
> My gut feeling is that the CVTech card cannot be DMA compatible if you
> have mixed RAM types, i.e. 1MB-wide chips on the CVTech card and
> 256KB-wide chips on the piggyback card.  It also cannot be fully DMA
> compatible if you have more than 4MB of RAM in total (the Apple HS
> SCSI card should avoid attempting to do DMA beyond the 4MB point,
> which usually avoids any problem).

I my orginal question which seems to be a part of this general confusion..
I asked that since I had a Full CVTech board and the 1 meg apple board 
(on a rom 01) which took me up to 5.25 megs.  I have the High Speed SCSI 
board from apple which lets me enable/disable the DMA automaticaly...can 
I turn this dip on?????? or should I start to see if I can trade/upgrade 
my HS SCSI card for a Ramfast???? I was rather hopping to finnaly get the 
ZipGSX from GS+ so I would rather NOT spend the money!
	Thoughts?
		Brian

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