i'm gonna go ahead and pick this up from here. my information is the same as the op. i'm using a Chaintech 9cjs zenith mobo with Envy24-based sound. pentium 4, 3gigs of memory. $ grep "^Codec\|^Vendor Id\|^Subsystem Id\|^Revision Id" /proc/asound/card*/*codec*{,/*} | grep -B2 -A1 $(lspci -nv | grep -A1 0403 | grep Subsystem | sed 's/://g' | awk '{ print $2 }') grep: /proc/asound/card*/*codec*: No such file or directory grep: /proc/asound/card*/*codec*/*: No such file or directory Usage: grep [OPTION]... PATTERN [FILE]... Try `grep --help' for more information. $ cat /proc/asound/cards --- no soundcards --- here's what i got from the alsa script. !!################################ !!ALSA Information Script v 0.4.58 !!################################ !!Script ran on: Sun Oct 18 03:03:28 UTC 2009 !!Linux Distribution !!------------------ Ubuntu 9.04 \n \l DISTRIB_ID=Ubuntu DISTRIB_DESCRIPTION="Ubuntu 9.04" !!DMI Information !!--------------- Manufacturer: Product Name: !!Kernel Information !!------------------ Kernel release: 2.6.28-15-generic Operating System: GNU/Linux Architecture: i686 Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: 1.0.18 Library version: 1.0.18 Utilities version: 1.0.18 !!Loaded ALSA modules !!------------------- !!Sound Servers on this system !!---------------------------- No sound servers found. !!Soundcards recognised by ALSA !!----------------------------- --- no soundcards --- !!PCI Soundcards installed in the system !!-------------------------------------- 03:02.0 Multimedia audio controller: VIA Technologies Inc. VT1720/24 [Envy24PT/HT] PCI Multi-Channel Audio Controller (rev 01) !!Advanced information - PCI Vendor/Device/Susbsystem ID's !!-------------------------------------------------------- 03:02.0 0401: 1412:1724 (rev 01) Control: I/O Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- !!Modprobe options (Sound related) !!-------------------------------- snd-atiixp-modem: index=-2 snd-intel8x0m: index=-2 snd-via82xx-modem: index=-2 snd-usb-audio: index=-2 snd-usb-us122l: index=-2 snd-usb-usx2y: index=-2 snd-usb-caiaq: index=-2 snd-cmipci: mpu_port=0x330 fm_port=0x388 snd-pcsp: index=-2 !!Loaded sound module options !!-------------------------- !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 1 Oct 17 21:24 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Oct 17 21:24 /dev/snd/timer !!Aplay/Arecord output !!------------ APLAY aplay: device_list:217: no soundcards found... ARECORD arecord: device_list:217: no soundcards found... !!Amixer output !!------------- !!Alsactl output !!------------- --startcollapse-- --endcollapse-- !!All Loaded Modules !!------------------ Module ppdev bridge stp bnep vboxnetflt vboxdrv video output input_polldev lp parport snd_ice1724 snd_ice17xx_ak4xxx snd_ac97_codec ac97_bus snd_ak4xxx_adda snd_ak4114 snd_pcm_oss snd_mixer_oss snd_pcm snd_page_alloc snd_pt2258 snd_i2c snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer snd_seq_device i82875p_edac iTCO_wdt iTCO_vendor_support edac_core snd nvidia soundcore intel_agp psmouse pcspkr agpgart serio_raw shpchp usbhid ohci1394 8139too 8139cp mii ieee1394 e1000 fbcon tileblit font bitblit softcursor compcache lzo_decompress lzo_compress tlsf !!ALSA/HDA dmesg !!------------------