Date: Wed, 04 Nov 1998 09:37:42 -0500 From: Martin Poulin <mpoulin@honk.org> To: Graeme Brown <graeme.brown@bt-sys.bt.co.uk> Cc: FreeBSD-Newbies <freebsd-newbies@FreeBSD.ORG> Subject: Re: How to determine sound card IRQ and DRQ settings ? Message-ID: <3.0.3.32.19981104093742.00902830@spectre.honk.org> In-Reply-To: <n1302011898.25463@maczebedee>
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You may want to ask this in -questions, not -newbies. The guys in -questions have way more experience than us newbies. M. At 04:29 PM 11/4/98 +0100, Graeme Brown wrote: >I am trying to configure a sound card which is integrated with >the mother board of a Dell Gxa PC under FreeBSD (2.2.5). > >I believe the integrated soundcard is a SoundBlaster compatible one. >I have built a kernel with sound support with kernel config options >controller snd0 >device sb0 at isa? port 0x220 irq 7 conflicts drq 1 vector sbintr >device sbxvi0 at isa? drq 5 >device sbmidi0 at isa? port 0x330 > >I 'm not sure if the sbxvi0 , sbmidi0 are needed. They do not probe >on re-booting. I have made sound support devices by >cd /dev >./MAKEDEV snd0 > >When I boot the new kernel the sound driver appears to find the >sound card > >dmesg gives >SNIP... >sb0 at 0x220 irq 7 drq 1 on isa >sb0: <SoundBlaster Pro 3.2> >sbxvi0 not found >sbmidi0 not found at 0x330 >SNIP... > >However when I try to play a sample file take from the snd-kit >distribution > >cat endoftheworld > /dev/dsp > >I get the console error messages > >Sound: DMA timed out - IRQ/DRQ config error? >Sound: DMA timed out - IRQ/DRQ config error? >Sound: DMA timed out - IRQ/DRQ config error? >SNIP... > >which suggests an IRQ/DRQ conflict. I have removed lpt0 (normally >uses IRQ 7) from the kernel config file so I don't see how the IRQ >can be source of the problem. Also I cannot find any other entry >in the kernel config file which uses drq 1. > >cat /dev/sndstat gives > >VoxWare Sound Driver:3.0-beta-950506 (Sun Feb 5 14:38:12 EST 1995 >freebsd-hacke) >Config options: ffffffff > >Installed drivers: >Type 2: SoundBlaster >Type 6: SoundBlaster16 >Type 7: SB16 MIDI > > >Card config: >SoundBlaster at 0x220 irq 7 drq 1 >(SoundBlaster16 at 0x0 irq 65535 drq 5) >(SB16 MIDI at 0x330 irq 65535 drq 4294967295) > >Audio devices: >0: SoundBlaster Pro 3.2 > >Synth devices: > >Midi devices: >0: SoundBlaster > >Timers: >0: System Timer > >Mixers: >0: SoundBlaster > >Is there a way to determine what IRQs/ DRQs/DMA channels are currently being >used by what under FreeBSD which might help >me to track down the problem ? I don't think there are any jumpers >to set to force the sound card to a known IRQ/DRQ etc. > >TIA >Graeme N Brown >BT laboratories, UK >email: graeme.brown@bt-sys.bt.co.uk > >To Unsubscribe: send mail to majordomo@FreeBSD.org >with "unsubscribe freebsd-newbies" in the body of the message > > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-newbies" in the body of the message
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