Re: TurboRez - Released Yet?

[wsgentry@ne3005.reston.ingr.com (Scott Gentry)]

toddpw@cco.caltech.edu (Todd P. Whitesel) writes:

>bazyar@teal.csn.org (Jawaid Bazyar) writes:

>>  So, in the DMA driver you check the bank for fast/slow, set CPU speed
>>appropriately, and do the DMA.  In the vast majority of cases, you
>>DMA at 2.8MHz.

>Actually, since the DMA driver is usually written sychronously, I think most
>drivers just set the machine down to 1 mhz anyway since it won't make much of
>a difference. Remember that I haven't actually tried any of this; I'm just
>going from what the Hardware Ref says.

I might be able to shed some light on this... I burned an experimental ROM
for the Enhanced Vision Plus digitizer the other night that tried DMA
at full speed.  No go.  Nice crashes.  :)


>Todd Whitesel
>toddpw @ cco.caltech.edu
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