Dell Internal Microphone

Alexander Motin mav at
Fri Mar 27 01:37:35 PDT 2009

Paul B. Mahol wrote:
> 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)

Update your system to 7-STABLE or take driver from there. snd_hda driver
was significantly improved last time.

Alexander Motin

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