FreeBSD 6.2/AMD64: missing driver for SB Audigy SE / CA0106-DAT

O. Hartmann ohartman at
Tue Nov 7 21:32:32 UTC 2006

The driver (OSS v4.0-rc-172) works, but need a push:

startscript in /etc/rc.d/oss does not have the right access privileges set so oss_enable=YES fails at start. 
The execution permissin is not set.


Why is the whole stuff installing in /usr, /etc and not, as expected, /usr/local/? This should be changed.

On my board (ASUS A8N32-SLI Deluxe AC97 Codec is disabled - but the OSS driver does still install also a ich.ko
kernel module. Why? I want this AC97 crap go away. 

> Dear Sirs.
> My FreeBSD 6.2-PRE/AMD64 box has been equipted with a PCI Soundblaster
> Audigy SE soundcard. This soundcard unfortunately does utilize a chip
> called CA0106-DAT as "pciconf -lv" reported.
> I tried several snd_xxx driver found in most recent FreeBSD
> 6.2-PRE/AMD64 stuff, but even snd_em10k1 doesn't work. So I googled
> around and found ports/em10kx and tried this one - also with no success.
> As I could then read in the README, my obtained soundcard especially
> with the utilized chip isn't supported (yet?).
> So I tried OSS, but this driver is a commercial third party driver and
> therefore a bit suspicious in my opinion. By the way, the driver only
> produces a ear-killing noise - no sound, nothing.
> Well, as I could see in many other forums around the net, the
> SoundBlaster Audigy SE is a quite common soundcard and I would wonder if
> it isn't supported by FreeBSD. Are there any efforts pointing to this issue?
> I should have better read the exclusions on supported hardware, too late
> I realized that the soundcard of my box has not an emu em10k1 chipset.
> Any comments are highly appreciated.
> Thanks in advance,
> Oliver
> P.S. Please send eMail direcectly or in CC to my address as I'm not on
> this list, thank you very much.

Hi Folks,

OSS v3.99.4c and OSS v4.0rc2-172 have the Audigy SE problems fixed.
Go to for the v4.0 drivers.

 > commercial third party driver and
 > therefore a bit suspicious in my opinion.

So Nvidia closed source driver is not suspicious but 4Front's OSS is?.

FYI, we've been in business since 1996 and not 1 complaint about our 
software being malicious has ever been filed!

best regards
Dev Mazumdar
4Front Technologies
4Front Technologies
4035 Lafayette Place, Unit F, Culver City, CA 90232, USA.
Tel: (310) 202 8530		URL:
Fax: (310) 202 0496 		Email: info at

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