Ditribution debian sarge 3.1 r2 2.6.8-2-686-smp

type de carte audio, integrée a la carte mere suivante:
asus A8N-sli deluxe 
lien du constructeur:
http://support.asus.com/download/download.aspx?SLanguage=fr-fr
note des driver son proposer mai ne marche pas corectement.

Alsa est installer  mai un probleme ce pose : voici le message :
/etc/init.d/alsa start
Setting up ALSA...done (not loaded).

idem avec
 /etc/init.d/alsa force-reload
Unloading ALSA sound driver modules: (none loaded).
Loading ALSA sound driver modules: (none to reload).

Merci d'avance

lspci
0000:00:00.0 Memory controller: nVidia Corporation: Unknown device 005e (rev a4)
0000:00:01.0 ISA bridge: nVidia Corporation: Unknown device 0050 (rev a4)
0000:00:01.1 SMBus: nVidia Corporation: Unknown device 0052 (rev a2)
0000:00:02.0 USB Controller: nVidia Corporation: Unknown device 005a (rev a2)
0000:00:02.1 USB Controller: nVidia Corporation: Unknown device 005b (rev a4)
0000:00:04.0 Multimedia audio controller: nVidia Corporation: Unknown device 0059 (rev a2)
0000:00:06.0 IDE interface: nVidia Corporation: Unknown device 0053 (rev f3)
0000:00:07.0 IDE interface: nVidia Corporation: Unknown device 0054 (rev f3)
0000:00:08.0 IDE interface: nVidia Corporation: Unknown device 0055 (rev f3)
0000:00:09.0 PCI bridge: nVidia Corporation: Unknown device 005c (rev a2)
0000:00:0a.0 Bridge: nVidia Corporation: Unknown device 0057 (rev a3)
0000:00:0b.0 PCI bridge: nVidia Corporation: Unknown device 005d (rev a3)
0000:00:0c.0 PCI bridge: nVidia Corporation: Unknown device 005d (rev a3)
0000:00:0d.0 PCI bridge: nVidia Corporation: Unknown device 005d (rev a3)
0000:00:0e.0 PCI bridge: nVidia Corporation: Unknown device 005d (rev a3)
0000:01:00.0 VGA compatible controller: nVidia Corporation: Unknown device 00c3 (rev a2)
0000:05:0b.0 FireWire (IEEE 1394): Texas Instruments TSB43AB22/A IEEE-1394a-2000 Controller (PHY/Link)
0000:05:0c.0 Ethernet controller: Marvell Technology Group Ltd. Yukon Gigabit Ethernet 10/100/1000Base-T Adapter (rev 13)


=========================les modules
 lsmod
Module                  Size  Used by
nvidia               4546708  12
agpgart                35436  1 nvidia
i2c_core               24576  1 nvidia
ipt_LOG                 6848  5
ipt_limit               2848  3
ipt_state               2304  6
ip_conntrack           37392  1 ipt_state
iptable_filter          3104  1
ip_tables              19360  4 ipt_LOG,ipt_limit,ipt_state,iptable_filter
ipv6                  281764  10
af_packet              23976  2
parport_pc             37796  0
parport                43272  1 parport_pc
floppy                 62608  0
pcspkr                  3884  0
rtc                    14184  0
shpchp                102860  0
pciehp                 99756  0
pci_hotplug            35708  2 shpchp,pciehp
forcedeth              19104  0
joydev                 10240  0
usbhid                 32768  0
ehci_hcd               33188  0
ohci_hcd               22596  0
usbcore               122116  5 usbhid,ehci_hcd,ohci_hcd
eth1394                22664  0
sata_nv                 8804  0
sk98lin               174664  1
ohci1394               36804  0
ieee1394              113784  2 eth1394,ohci1394
nls_iso8859_1           4256  1
nls_cp437               5920  1
vfat                   15456  1
fat                    47872  1 vfat
dm_mod                 61120  0
tsdev                   7616  0
mousedev               10736  1
evdev                   9824  0
capability              4744  0
commoncap               7552  1 capability
psmouse                20616  0
ide_cd                 43232  1
cdrom                  41148  1 ide_cd
ext3                  129704  1
jbd                    70584  1 ext3
mbcache                10340  1 ext3
ide_generic             1632  0
ide_disk               19648  4
amd74xx                14876  1
ide_core              142556  4 ide_cd,ide_generic,ide_disk,amd74xx
sd_mod                 22144  0
ata_piix                8388  0
libata                 42116  2 sata_nv,ata_piix
scsi_mod              127972  2 sd_mod,libata
unix                   31156  442
font                    8544  0
vesafb                  6880  0
cfbcopyarea             4096  1 vesafb
cfbimgblt               3264  1 vesafb
cfbfillrect             4000  1 vesafb