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Date:      Wed, 23 Aug 2000 12:59:43 -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:  <39A42D2F.19DA3ECB@urx.com>
References:  <39A42600.9A8A7A85@mitre.org> <39A42A04.84D91736@urx.com> <39A42A61.407170FA@mitre.org>

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"Andresen,Jason R." wrote:
> 
> Kent Stewart wrote:
> >
> > "Andresen,Jason R." wrote:
> > >
> > > I have an unusual conflict problem.  I have an original model
> > > SoundBlaster 16 ISA non-PNP (with jumpers and everything!) and a PCI
> > > RealTek 10/100 ethernet card (Yes, I know it's crappy).  My problem is
> > > the RealTek card seems to be conflicting with the SB16, which is
> > > extremely odd because they aren't even on the same bus.  My symptoms:
> > > Whenever I try to play a sound on the SB16, it simply plays the first
> > > half second of the song over and over (BuhBuhBuhBuh....) for the
> > > duration of the sound and then stops.  Removing the NIC restores
> > > normal operation, but of course kills my network connection.
> >
> > I would lay odds (but not bet any money :)) that the RealTek is
> > grabbing the IRQ (5 most likely) that the SB wants. That was an old
> > symptom. I don't know how you assign an IRQ to the RealTek. You can
> > look at the dmesg and see what the RealTek is using. You could
> > probably change the jumper on the SB if you can't fix it.
> 
> The strange thing is the Realtek reports:
> 
> > 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
> 
> 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.

Kent

> 
> --
>    _  _    _  ___  ____  ___   ______________________________________
>   / \/ \  | ||_ _||  _ \|___| | Jason Andresen -- jandrese@mitre.org
>  / /\/\ \ | | | | | |/ /|_|_  | Views expressed may not reflect those
> /_/    \_\|_| |_| |_|\_\|___| | of the Mitre Corporation.

-- 
Kent Stewart
Richland, WA

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