Mixer does not work

[Adrian Patino II]

i have both onboard sound and soundcard

###########################################
pcm0 at pci0:11:0: class=0x040100 card=0x80651102 chip=0x00021102 rev=0x0a hdr=0x00
    vendor   = 'Creative Labs'
    device   = 'EMU10000 Sound Blaster Live! (Also Live! 5.1) - OEM
from DELL - CT4780'
    class    = multimedia
    subclass = audio
none1 at pci0:17:5:        class=0x040100 card=0xa0021458 chip=0x30591106
rev=0x50 hdr=0x00
    vendor   = 'VIA Technologies Inc'
    device   = 'VT8233/33A/8235/8237 AC97 Enhanced Audio Controller'
    class    = multimedia
    subclass = audio


hw.snd.targetirqrate: 32
hw.snd.report_soft_formats: 1
hw.snd.verbose: 1
hw.snd.unit: 0
hw.snd.maxautovchans: 0
hw.snd.pcm0.buffersize: 4096
##########################################
I disabled onboard sound in the bios
the sound is working but
mixer controls have no effect on volume 

is mixer controlling onboard sound instead of soundcard?
if so, how can i change that?