Subject: Re: Does VESA Local Bus put a huge strain on a CPU?
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Organization: Ostfold College
References: <Bx29yH.EE8@news.cso.uiuc.edu> <1992Nov2.031700.14433@njitgw.njit.edu> <1992Nov2.224052.7151@mksol.dseg.ti.com> <1992Nov3.195634.7436@njitgw.njit.edu> <1992Nov4.213113.7644@mksol.dseg.ti.com> <Bx7sqF.5zy@news.cso.uiuc.edu> <1992Nov5.172246.185Organization: Ostfold College
Date: Thu, 12 Nov 1992 21:48:48 GMT
In article <Bx9M5D.HvM@news.cso.uiuc.edu> nap42487@uxa.cso.uiuc.edu (Nishith A. Patel) writes:
>AND, because of the work involved in going through the driver and processor
>(and in some cases from the accelerator to the VGA card), instead of just sending out the info, if you are doing something like throwing images out, some
>coprocessed cards actually slow things way down compared to dumb VGA. Another
>example, multimedia. say you are doing animation, paging screens. Dumb VGA
>is going to go way too slow because of ISA, and coprocessed cards wont do any
>better, with the possibility of doing worse.
>Let's bring the Amiga back in. It can do certain things faster than ISA
>computers because it does not have such a huge bottleneck.
>
Why is the 7 MHz bus in the Amiga less of a bottleneck than the 8 MHz ISA