Does anyone know if the FC4 kernel (2.6.12-1.1447_FC4smp) has 4510_alsa-sn25p.patch applied? lspci shows... 05:06.0 Multimedia audio controller: VIA Technologies Inc. VT1720/24 [Envy24PT/HT] PCI Multi-Channel Audio Controller (rev 01) soundcard detection detects Envy24PT. but has this error... [tkemp@FC4-AMD-64-X2-4200 iws]$ system-config-soundcard amixer: Mixer attach hw:0 error: No such file or directory amixer: Mixer attach hw:0 error: No such file or directory amixer: Mixer attach hw:0 error: No such file or directory amixer: Mixer attach hw:0 error: No such file or directory aplay: main:533: audio open error: No such file or directory lsmod shows these modules loaded... snd_ice1724 80713 0 snd_ice17xx_ak4xxx 9537 1 snd_ice1724 snd_ac97_codec 98565 1 snd_ice1724 snd_ak4114 16449 1 snd_ice1724 snd_seq_dummy 8773 0 snd_seq_oss 43301 0 snd_seq_midi_event 14401 1 snd_seq_oss snd_seq 70297 5 snd_seq_dummy,snd_seq_oss,snd_seq_midi_event snd_pcm_oss 64497 0 snd_mixer_oss 24129 1 snd_pcm_oss snd_pcm 112969 4 snd_ice1724,snd_ac97_codec,snd_ak4114,snd_pcm_oss snd_timer 32841 2 snd_seq,snd_pcm snd_page_alloc 16841 1 snd_pcm snd_ak4xxx_adda 12225 2 snd_ice1724,snd_ice17xx_ak4xxx snd_mpu401_uart 13633 1 snd_ice1724 snd_rawmidi 35297 1 snd_mpu401_uart snd_seq_device 14929 4 snd_seq_dummy,snd_seq_oss,snd_seq,snd_rawmidi snd 69921 13 snd_ice1724,snd_ac97_codec,snd_ak4114,snd_seq_oss,snd_seq,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_timer,snd_ak4xxx_adda,snd_mpu401_uart,snd_rawmidi,snd_seq_device soundcore 15841 1 snd but no sound. in /var/log/messages I see this...Sep 12 18:50:01 FC4-AMD-64-X2-4200 kernel: ice1724: No matching model found for ID 0x97123650 kernel: ice1724: Invalid EEPROM (size = 255) kernel: ICE1724: probe of 0000:05:06.0 failed with error -5 Do I have to apply patch myself? Terry