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On Sunday, 20 August 2006 at 4:44:06 +0000, Brad Kowalczyk wrote:
> Hi,
>
> Just wondering if anyone has any experience getting sound working for an
> nforce1 motherboard?
Heh. Just what I've been playing with right now.
> Seems I have the correct driver loaded and the device exists but no
> sound...
It would be good to say which one (kldstat output), but from below I
expect you'll have:
Id Refs Address Size Name
6 1 0xc5577000 5000 snd_ich.ko
7 1 0xc557c000 1d000 sound.ko
> Some info:
>
> # pciconf -vl
>
> <snip>
>
> [EMAIL PROTECTED]:5:0: class=0x040100 card=0x37301462 chip=0x01b010de rev=0xc2
> hdr=0x00
> vendor = 'NVIDIA Corporation'
> device = 'nForce MCP Audio Processing Unit (Dolby Digital)'
> class = multimedia
> subclass = audio
> [EMAIL PROTECTED]:6:0: class=0x040100 card=0x37301462 chip=0x01b110de
> rev=0xc2
> hdr=0x00
> vendor = 'NVIDIA Corporation'
> device = 'nForce MCP Audio Codec Interface'
> class = multimedia
> subclass = audio
I have:
[EMAIL PROTECTED]:6:0: class=0x040100 card=0x57001462 chip=0x006a10de rev=0xa1
hdr=0x00
vendor = 'NVIDIA Corporation'
device = 'nForce MCP-T Audio Codec Interface'
class = multimedia
subclass = audio
I don't have the APU.
> # dmesg | grep pcm
> pcm0: <nVidia nForce> port 0xe400-0xe47f,0xe000-0xe0ff mem
> 0xdc180000-0xdc180fff irq 16 at device 6.0 on pci0
> pcm0: <Analog Devices AD1885 AC97 Codec>
> Interrupt storm detected on "irq16: pcm0 nv0++"; throttling interrupt source
pcm0: <nVidia nForce2> port 0xe400-0xe4ff,0xe800-0xe87f mem
0xe4000000-0xe4000fff irq 21 at device 6.0 on pci0
pcm0: <Avance Logic ALC655 AC97 Codec>
Looks pretty much the same, except that the chipset is slightly
different. The important message is the last one: "Interrupt storm".
That's the problem; I don't have a real answer, but what version of
FreeBSD are you running? It might also help if you can connect the
pcm device to a different IRQ from the nv device; but that depends on
your motherboard BIOS.
Greg
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