This might be useful information too. The below line is part of the output of "dmesg". (I refer to the line starting with hda_codec). ipw2200: Intel(R) PRO/Wireless 2200/2915 Network Driver, git-1.1.1 ipw2200: Copyright(c) 2003-2006 Intel Corporation 8139too Fast Ethernet driver 0.9.27 hda_codec: Unknown model for ALC882, trying auto-probe from BIOS... ACPI: PCI Interrupt 0000:06:04.0[A] -> GSI 17 (level, low) -> IRQ 169 ipw2200: Detected Intel PRO/Wireless 2200BG Network Connection On Tue, 25 Jul 2006 13:08:02 +0200, JeeBee wrote: > Thanks Nigel, that is the one I'm currently experimenting with. > > I have these installed: > # rpm -qa | grep alsa > alsa-lib-devel-1.0.11-4.rc2 > alsamixergui-0.9.0-0.2.rc1.fc5 > alsa-tools-1.0.10-2.fc5 > alsa-lib-1.0.11-4.rc2 > alsa-utils-1.0.11-4.rc2 > > Then I also downloaded/compiled and installed the newest > alsa sources 1.0.12.rc1 from alsa-project.org. > > The modules seem to be loaded: > # lsmod | grep snd > snd_hda_intel 19220 0 > snd_hda_codec 142592 1 snd_hda_intel > snd_seq_dummy 4484 0 > snd_seq_oss 34688 0 > snd_seq_midi_event 7936 1 snd_seq_oss > snd_seq 54224 5 snd_seq_dummy,snd_seq_oss,snd_seq_midi_event > snd_seq_device 9612 3 snd_seq_dummy,snd_seq_oss,snd_seq > snd_pcm_oss 43168 0 > snd_mixer_oss 18560 1 snd_pcm_oss > snd_pcm 79364 3 snd_hda_intel,snd_hda_codec,snd_pcm_oss > snd_timer 24836 2 snd_seq,snd_pcm > snd 56548 10 snd_hda_intel,snd_hda_codec,snd_seq_dummy,snd_seq_oss,snd_seq,snd_seq_device,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_timer > soundcore 10017 1 snd > snd_page_alloc 10888 2 snd_hda_intel,snd_pcm > > aplay does not give an error, but I do not hear anything: > # aplay `locate KDE_Startup_new` > Playing WAVE '/usr/share/sounds/KDE_Startup_new.wav' : Signed 16 bit > Little Endian, Rate 22050 Hz, Stereo > > What more can I try? > > # /etc/init.d/alsasound status > ALSA sound driver loaded. > > This command hangs for ever: > # /etc/init.d/alsasound stop > Shutting down sound driver: > > After some debugging, I think it's because this one also hangs for ever: > # aconnect --removeall > > Thanks for any suggestion, > JeeBee.