Subject: Re: DMA beyond end of ISA with other scsi cards?
To: Justin T. Gibbs <gibbs@freefall.freebsd.org>
From: Jason Thorpe <thorpej@nas.nasa.gov>
List: port-i386
Date: 11/12/1996 09:14:49
On Tue, 12 Nov 1996 09:23:26 -0800
"Justin T. Gibbs" <gibbs@freefall.freebsd.org> wrote:
> All of Buslogic's cards have the capacity to use an low register window
> so that "ISA" drivers can find them. The 747 at least (haven't played wiht
> a 757) shows up in EISA space just fine and tells you enough there so that
> you can determine its "low" register window location non-invasively as well
> as the interrupt and interrupt type. So, its not sooo broken and there
> should be an EISA probe for it in NetBSD.
There is an EISA front-end for it now, however it's quite likely that
the ISA-compat register window isn't disabled... That change was only
recently added to the PCI front-end.
Rob: I'd like to work with you to verify that your buslogic works
properly under -current.
Jason R. Thorpe thorpej@nas.nasa.gov
NASA Ames Research Center Home: 408.866.1912
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