sound problem

[urma]

i have Fedora Core 4 and I have proplems with sound (no sound) I have VIA-82xx sound card integreted on motherboard. Kmix doesn't shows that any channel would be on mute

snd_via82xx 27993 1
gameport 15689 1 snd_via82xx
snd_ac97_codec 88161 1 snd_via82xx
snd_ac97_bus 2497 1 snd_ac97_codec
snd_seq_dummy 3781 0
snd_seq_oss 31809 0
snd_seq_midi_event 7105 1 snd_seq_oss
snd_seq 49617 5 snd_seq_dummy,snd_seq_oss,snd_seq_midi_event
snd_pcm_oss 50545 0
snd_mixer_oss 17985 1 snd_pcm_oss
snd_pcm 86981 3 snd_via82xx,snd_ac97_codec,snd_pcm_oss
snd_timer 24901 2 snd_seq,snd_pcm
snd_page_alloc 10697 2 snd_via82xx,snd_pcm
snd_mpu401_uart 7873 1 snd_via82xx
snd_rawmidi 24801 1 snd_mpu401_uart
snd_seq_device 9037 4 snd_seq_dummy,snd_seq_oss,snd_seq,snd_rawmidi
snd 54309 13 snd_via82xx,snd_ac97_codec,snd_seq_oss,snd_seq,snd _pcm_oss,snd_mixer_oss,snd_pcm,snd_timer,snd_mpu40 1_uart,snd_rawmidi,snd_seq_device
soundcore 9889 1 snd