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From: tom@chaos.gw.umn.edu (Tom Maki)
Subject: Re: BusLogi 445S and DMA Channel (NEW ANSWER)
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References: <2rnjgs$g1l@news-rocq.inria.fr> <2rs5i1$6tl@news-rocq.inria.fr> <2rs8go$6tl@news-rocq.inria.fr> <2s2j80$1go@ebh.eb.ele.tue.nl> <JKH.94May27001218@nx.ilo.dec.com> <michaelv.770005578@ponderous.cc.iastate.edu> <2s486r$hu9@crl.crl.com>
Date: Fri, 27 May 1994 17:17:15 GMT
Lines: 21
bhogan@crl.com (Bill Hogan) writes:
<...>
> I have wanted to ask this question for a long time:
>
> Why should I want to have my SCSI HA on the *video* local bus at all?
>
> I don't get it.
>
> I know one real good reason why certain video boards should IMHO be kept
>as far away from the ISA bus as possible, but I can't see any solid
>advantage to taking my SCSI controller off the ISA bus -- to the contrary,
>if I move up to an EISA bus, there are very good reasons for getting an
>EISA SCSI HA!
Bus-mastering controllers on an ISA bus and >16 MB RAM do not mix well.
BTW, VLB stands for Vesa Local Bus (though perhaps it is most useful for
video devices).
Tom