Date: Sun, 30 Apr 1995 23:06:45 -3100 (PDT) From: "Rodney W. Grimes" <rgrimes@gndrsh.aac.dev.com> To: se@MI.Uni-Koeln.DE (Stefan Esser) Cc: fenner@parc.xerox.com, current@FreeBSD.org Subject: Re: NCR assertion fails? Message-ID: <199505010606.XAA11469@gndrsh.aac.dev.com> In-Reply-To: <199504301649.AA20198@FileServ1.MI.Uni-Koeln.DE> from "Stefan Esser" at Apr 30, 95 06:49:30 pm
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> Anyway: I guess some comments on PCI setup rules > ought to go into the FAQ, I guess: > > 1) Bus master slots required for most devices (which) > 2) Only PCI IntA used by currently supported PCI cards This is not true, I have run Bt946's set to IntB, it is *heavly* PCI BIOS dependent on what you can and can not do here as far as moving things around! I am pretty darn sure I can also go make an NCR810 card work on int B, C or D if I wished to. > 3) Shared interrupts supported, but shouldn't be used > if there are plenty of free IRQs to assigne to PCI > 4) PCI interrupts are assigned to slots on all currently > sold motherboards. Level interrupts are used by all > PCI devices supported in FreeBSD. Not true, I have run the BT946 is edge mode :-). > I'll try to find time to write something about this > before 2.1 comes out ... > But if anybody wants to beat me on that :) Please write it, and send it to me for review. -- Rod Grimes rgrimes@gndrsh.aac.dev.com Accurate Automation Company Custom computers for FreeBSD
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