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Description of problem:
I tested Fedora Core on a system with two sound cards.
One is onboard (Realtek ALC200/200P according to Fedora)
The other is a Sound Blaster Audigy2 platinum.

In the first boot configuration, I select the Audigy 2 as the primary
soundcard.
The speakers where connected on the Audigy 2, and I didn't hear the
sound test.

Later, I realized that the sound was output in the onboard soundcard.

If I rerun system-config-sound-card, the onboard soundcard is still
selected as the primary device.

I have updated my system using yum after installing.

Version-Release number of selected component (if applicable):


How reproducible:
Always

Steps to Reproduce:
1.Install FC2T3
2.Select Audigy 2 as primary sound card
3.Open an ogg file using Rythmbox.

Actual Results:  I hear sound only when I plug speakers in the onboard
soundcard.

Expected Results:  The Audigy 2 is selected as the default sound card.

Additional info:

Content of modprobe.conf : 
alias eth0 dmfe
alias snd-card-0 snd-via82xx
install snd-via82xx /sbin/modprobe --ignore-install snd-via82xx &&
/usr/sbin/alsactl restore >/dev/null 2>&1 || :
remove snd-via82xx { /usr/sbin/alsactl store >/dev/null 2>&1 || : ; };
/sbin/modprobe -r --ignore-remove snd-via82xx
alias snd-card-1 snd-emu10k1
install snd-emu10k1 /sbin/modprobe --ignore-install snd-emu10k1 &&
/usr/sbin/alsactl restore >/dev/null 2>&1 || :
remove snd-emu10k1 { /usr/sbin/alsactl store >/dev/null 2>&1 || : ; };
/sbin/modprobe -r --ignore-remove snd-emu10k1
alias usb-controller ehci-hcd
alias usb-controller1 uhci-hcd