Dell Internal Microphone

Paul B. Mahol onemda at
Thu Mar 26 12:16:51 PDT 2009

On 3/24/09, Suganth Ramaswamy <suganth.ramaswamy at> wrote:
> Hi All,
> I have a Dell XPS M1530 laptop running FreeBSD 7.1 Release. I would like to
> know how I can get my built-in microphone working. At the moment, it isn't
> working. I hope the following details of my system would be useful
> *dmesg | grep pcm0*
> pcm0: <Intel 82801H High Definition Audio Controller> mem
> 0xfebfc000-0xfebfffff irq 21 at device 27.0 on pci0
> pcm0: [ITHREAD]
> pcm0: <HDA Codec: Sigmatel (Unknown)>
> pcm0: <HDA Driver Revision: 20080420_0052>
> *cat /dev/sndstat*
> FreeBSD Audio Driver (newpcm: 32bit 2007061600/i386)
> Installed devices:
> pcm0: <Intel 82801H High Definition Audio Controller> at memory 0xfebfc000
> irq 21 kld snd_hda [20080420_0052] [MPSAFE] (1p:2v/1r:1v channels duplex
> default)

boot into verbose mode and make hdac0 lines from dmesg available somewhere ....

What application are you using for testing recording?


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