Subject: Re: DMA beyond end of ISA with other scsi cards?
To: Jason Thorpe <thorpej@nas.nasa.gov>
From: Justin T. Gibbs <gibbs@freefall.freebsd.org>
List: port-i386
Date: 11/11/1996 18:07:34
>On Sun, 10 Nov 1996 10:47:21 -0800
> "Justin T. Gibbs" <gibbs@freefall.freebsd.org> wrote:
>
> > >The problem applies to any busmastering ISA device.
> >
> > And some broken VLB and EISA cards too. The 14F is a VLB card, right?
>
>I don't know about VLB, but the problem does not apply to EISA, since
>EISA has 32-bits of address. If there'd been a problem with EISA,
>then the previous cvs.netbsd.org would have never worked :-)
Did you miss the "broken" in my comment? VLB and EISA should not have the
problem, but some cards and/or motherboard chipsets, do. Once such
example is the bt445S.
>Jason R. Thorpe thorpej@nas.nasa.gov
>NASA Ames Research Center Home: 408.866.1912
>NAS: M/S 258-6 Work: 415.604.0935
>Moffett Field, CA 94035 Pager: 415.428.6939
--
Justin T. Gibbs
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