Mark Knecht <markknecht@xxxxxxxxxxx> writes: > 1) do an lsmod and send back the results. Module Size Used by Not tainted snd-seq-oss 30848 0 (unused) snd-seq-midi-event 3520 0 [snd-seq-oss] snd-seq 44720 2 [snd-seq-oss snd-seq-midi-event] snd-pcm-oss 49220 0 (unused) snd-mixer-oss 15800 0 [snd-pcm-oss] snd-hdsp 34148 0 snd-pcm 74340 0 [snd-pcm-oss snd-hdsp] snd-timer 18244 0 [snd-seq snd-pcm] snd-hwdep 6144 0 [snd-hdsp] snd-page-alloc 6836 0 [snd-hdsp snd-pcm] snd-rawmidi 16192 0 [snd-hdsp] snd-seq-device 4784 0 [snd-seq-oss snd-seq snd-rawmidi] snd 38596 0 [snd-seq-oss snd-seq-midi-event snd-seq snd-pcm-oss snd-mixer-oss snd-hdsp snd-pcm snd-timer snd-hwdep snd-rawmidi snd-seq-device] soundcore 4100 9 [snd] saa7185 2360 0 (unused) saa7111 2776 0 (unused) bt819 3992 0 (unused) i2c-old 4544 3 [saa7185 saa7111 bt819] mousedev 4468 0 keybdev 2148 0 (unused) usbkbd 3672 0 (unused) input 3616 0 [mousedev keybdev usbkbd] usb-ohci 20040 0 (unused) usbcore 65580 0 [usbkbd usb-ohci] > 2) Show your /etc/modules.conf file so we can see what you're trying to > run Well it's not so much what *I am trying to run*, but what my installation does ;-) I do not include all output, only sound related lines: ### This file is automatically generated by update-modules" [ snip ] keep [ snip ] ### update-modules: start processing /etc/modutils/alsa ### DEBCONF MAGIC # This file was automatically generated by alsa-base's debconf stuff alias char-major-116 snd # NEXT LINE ADDED MANUALLY ################### alias snd-card-0 snd-hdsp alias char-major-14 soundcore options snd major=116 cards_limit=4 device_mode=0660 alias sound-service-0-0 snd-mixer-oss alias sound-service-0-1 snd-seq-oss alias sound-service-0-3 snd-pcm-oss alias sound-service-0-8 snd-seq-oss alias sound-service-0-12 snd-pcm-oss ### update-modules: end processing /etc/modutils/alsa [ snip ] alias char-major-10-135 rtc > 3) Run hdspmixer and see what signals you see when running audio through > it. alsaplayer is fine for this purpose. All the meters in the middle row show activity. BTW: Alsaplayer says 'Failed to load output plugin "alsa". Trying defaults" Is this a hint? > 4) Run hdspconf and look at the way you have clocks set up. (I think > this will work for your hardware, but I'm not sure.) Oh, I hadn't noticed this program yet (It is not in alsa-tools 0.9.6) Looks very handy! It shows: Pref Sync Ref ADAT1 in SyncCheck all say 'No Lock' SPDIF In internal SPDIF Out nothing selected SPDIF Freq. -- Sample Clock Source 44.1 Auto Sync Ref Input -- Freq. -- System Clock Mode Master Freq. 44.1 Thank you for your help, Robert