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Date: Sun, 20 Aug 2006 04:44:06 +0000
From: Brad Kowalczyk <brad@ibiscode.com>
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Subject: nforce audio problem
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Hi,

Just wondering if anyone has any experience getting sound working for an 
nforce1 motherboard?

Seems I have the correct driver loaded and the device exists but no sound...

Some info:

# pciconf -vl

<snip>

none4@pci0:5:0: 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
pcm0@pci0:6:0:  class=0x040100 card=0x37301462 chip=0x01b110de rev=0xc2 
hdr=0x00
    vendor   = 'NVIDIA Corporation'
    device   = 'nForce MCP Audio Codec Interface'
    class    = multimedia
    subclass = audio


kldload snd_ich.ko
kldload: can't load snd_ich.ko: File exists


localhost# sysctl -a | grep snd
hw.snd.targetirqrate: 32
hw.snd.report_soft_formats: 1
hw.snd.verbose: 1
hw.snd.unit: 0
hw.snd.maxautovchans: 4
hw.snd.pcm0.buffersize: 16384
hw.snd.pcm0.vchans: 4
hw.snd.pcm0.ac97rate: 48000

# 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

Any help appreciated :)

Cheers,

Brad