$ alsamixer
No mixer elems found

$ alsamixer -V all
No mixer elems found

$ alsamixer -V capture
No mixer elems found


$ uname -i
x86_64

$ uname -r
2.6.18-194.11.4.el5
$ cat /etc/redhat-release 
CentOS release 5.5 (Final)

$ rpm -qa | grep alsa
alsa-utils-1.0.17-1.el5
alsa-lib-1.0.17-1.el5
alsa-lib-1.0.17-1.el5

$ lspci
00:00.0 Host bridge: Intel Corporation 3200/3210 Chipset DRAM Controller (rev 01)
00:01.0 PCI bridge: Intel Corporation 3200/3210 Chipset Host-Primary PCI Express Bridge (rev 01)
00:1c.0 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 1 (rev 02)
00:1c.4 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 5 (rev 02)
00:1c.5 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 6 (rev 02)
00:1d.0 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #1 (rev 02)
00:1d.1 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #2 (rev 02)
00:1d.2 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #3 (rev 02)
00:1d.7 USB Controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #1 (rev 02)
00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev 92)
00:1f.0 ISA bridge: Intel Corporation 82801IR (ICH9R) LPC Interface Controller (rev 02)
01:00.0 SCSI storage controller: LSI Logic / Symbios Logic SAS1068E PCI-Express Fusion-MPT SAS (rev 08)
03:00.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5721 Gigabit Ethernet PCI Express (rev 21)
04:00.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5721 Gigabit Ethernet PCI Express (rev 21)
05:05.0 VGA compatible controller: ATI Technologies Inc ES1000 (rev 02)

$ lsmod
Module                  Size  Used by
snd_dummy              49120  0 
snd_seq_midi_event     41216  0 
snd_seq                88576  1 snd_seq_midi_event
snd_seq_device         42004  1 snd_seq
snd_pcm               117640  1 snd_dummy
snd_timer              57864  2 snd_seq,snd_pcm
snd_page_alloc         45456  1 snd_pcm
snd                   103400  5 snd_dummy,snd_seq,snd_seq_device,snd_pcm,snd_timer
soundcore              41825  1 snd
autofs4                63049  3 
i2c_dev                43977  0 
i2c_core               56641  1 i2c_dev
sunrpc                199945  1 
ipv6                  435489  22 
xfrm_nalgo             43333  1 ipv6
crypto_api             42945  1 xfrm_nalgo
loop                   48721  0 
dm_mirror              54737  0 
dm_multipath           56921  0 
scsi_dh                42177  1 dm_multipath
parport_pc             62313  0 
lp                     47121  0 
parport                73165  2 parport_pc,lp
i3200_edac             38865  0 
serio_raw              40517  0 
tg3                   160841  0 
edac_mc                60193  1 i3200_edac
sg                     70377  0 
pcspkr                 36289  0 
dm_raid45              99657  0 
dm_message             36289  1 dm_raid45
dm_region_hash         46145  1 dm_raid45
dm_log                 44993  3 dm_mirror,dm_raid45,dm_region_hash
dm_mod                101649  4 dm_mirror,dm_multipath,dm_raid45,dm_log
dm_mem_cache           38977  1 dm_raid45
shpchp                 70637  0 
mptsas                 83025  2 
mptscsih               69441  1 mptsas
mptbase               121349  2 mptsas,mptscsih
scsi_transport_sas     66753  1 mptsas
sd_mod                 56513  3 
scsi_mod              196953  6 scsi_dh,sg,mptsas,mptscsih,scsi_transport_sas,sd_mod
ext3                  168913  1 
jbd                    94769  1 ext3
uhci_hcd               57433  0 
ohci_hcd               56309  0 
ehci_hcd               66125  0