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Date:      Wed, 23 Aug 2000 13:14:39 -0700
From:      Kent Stewart <kstewart@urx.com>
To:        "Andresen,Jason R." <jandrese@mitre.org>
Cc:        "freebsd-questions@FreeBSD.ORG" <freebsd-questions@FreeBSD.ORG>
Subject:   Re: Strange conflict
Message-ID:  <39A430AF.6E4C60AC@urx.com>
References:  <39A42600.9A8A7A85@mitre.org> <39A42A04.84D91736@urx.com> <39A42A61.407170FA@mitre.org> <39A42D2F.19DA3ECB@urx.com> <39A42D92.BDA993A3@mitre.org>

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"Andresen,Jason R." wrote:
> 
> Kent Stewart wrote:
> >
> > "Andresen,Jason R." wrote:
> > >
> > > Which makes it look like the card is taking irq 11, not 5.  Even more
> > > interesting is that the Soundblaster is the only card that reports
> > > taking irq 5.  Is it possible for the device to lie on the dmesg output?
> >
> > I've never seen that happen but that doesn't mean it can't. What about
> > dma and i/o port addresses? The SB usually used something like dma 1,5
> > and i/o 220 and 330.
> >
> > The only machine I have an old SB in is only setup to run Win2K
> > Server.
> 
> Well, for comparison:
> 
> rl0: <RealTek 8139 10/100BaseTX> port 0xe800-0xe8ff mem
> 0xe6801000-0xe68010ff irq 11 at device 15.0 on pci0
> rl0: Ethernet address: 00:48:54:85:63:3a
> miibus0: <MII bus> on rl0
> rlphy0: <RealTek internal media interface> on miibus0
> rlphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
> ...
> sbc0: <Soundblaster 16> at port 0x220-0x22f irq 5 drq 1 flags 0x15 on
> isa0
> sbc0: setting card to irq 5, drq 1, 5
> pcm0: <SB DSP 4.13> on sbc0
> 
> Annoyingly, I can't seem to find an conflict with either of the cards
> over the entire dmesg output (as posted in my original post).  The
> Realtek is a PCI card, so they aren't even close to the same address
> space as the ISA SB, plus IIRC the RealTek is in some sort of horrible
> PIO mode due to the braindead design of the chipset (that's what you get
> for paying $5 for a NIC I guess).

I would try Rick's approach and reserve IRQ for legacy.

I had a 3C509 that I use for my DSL line have it's IRQ grabbed by an
Adaptec Scsi card after I pulled on Intel 100+ NIC out. None of them
were $5 cards :).

Kent

> 
> --
>    _  _    _  ___  ____  ___   ______________________________________
>   / \/ \  | ||_ _||  _ \|___| | Jason Andresen -- jandrese@mitre.org
>  / /\/\ \ | | | | | |/ /|_|_  | Views expressed may not reflect those
> /_/    \_\|_| |_| |_|\_\|___| | of the Mitre Corporation.
> 
> To Unsubscribe: send mail to majordomo@FreeBSD.org
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-- 
Kent Stewart
Richland, WA

mailto:kbstew99@hotmail.com
http://kstewart.urx.com/kstewart/index.html
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