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
NAS: M/S 258-6                                          Work: 415.604.0935
Moffett Field, CA 94035                                Pager: 415.428.6939