Date: Wed, 25 Feb 1998 09:27:24 -0800 From: "Michael L. VanLoon -- HeadCandy.com" <michaelv@MindBender.serv.net> To: Tom <tom@uniserve.com> Cc: Simon Shapiro <shimon@simon-shapiro.org>, Kingson Gunawan <kingson@excite.com>, freebsd-current@FreeBSD.ORG Subject: Re: Help needed with DPT card + Asus M/B Message-ID: <199802251727.JAA25428@MindBender.serv.net> In-Reply-To: Your message of Wed, 25 Feb 98 08:58:06 -0800. <Pine.BSF.3.96.980225085530.18179A-100000@shell.uniserve.com>
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>On Wed, 25 Feb 1998, Simon Shapiro wrote:
>> On 25-Feb-98 Tom wrote:
>> > On Tue, 24 Feb 1998, Simon Shapiro wrote:
>> >> That is not it. Unless some other driver is stealing the PCI interrupt
>> >> (which I do not know how to do with PCI).
>> > Unless it is a silly ISA device...
>> True only if the MB allows interrupts to be shared between ISA and PCI,
>> which it should not. Kingston reports that Win95 works on that MB, with
>> the DPT and all.
> Hmmm, but how does a motherboard know what interupts a ISA card might
>use?
You tell it.
>You certainly can't have ISA and PCI devices sharing the IRQ, but it
>is up to the operators to make sure it doesn't happen.
Correct. Most BIOS' will let you go in and identify which IRQs are
held by ISA devices. I've had to do this on a couple of my Asus
boards, and things work just great afterwards.
One further step I had to take on one board, where I had an ISA
ethernet card (with a block of buffer RAM on it, of course), was to
identify the block of buffer memory in the 640K-1MB hole so the BIOS
wouldn't let anything else stomp on that memory range.
-----------------------------------------------------------------------------
Michael L. VanLoon mvanloon@exmsft.com michaelv@MindBender.serv.net
Contract software development for Windows NT, Windows 95 and Unix.
Windows NT and Unix server development in C++ and C.
--< Free your mind and your machine -- NetBSD free un*x >--
NetBSD working ports: 386+PC, Mac 68k, Amiga, Atari 68k, HP300, Sun3,
Sun4/4c/4m, DEC MIPS, DEC Alpha, PC532, VAX, MVME68k, arm32...
NetBSD ports in progress: PICA, others...
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