need help uninstalling sound driver
 

I have an audigy 2 and mandrake 9.1, when i installed mandrake it installed my an audigy driver that never worked , now i want to install an oss driver i found but i cant cause the other one is still installed.

[root@a81-84-56-94 sound]# lsmod
Module Size Used by Tainted: P
msdos 7404 0 (autoclean)
vfat 11820 0 (autoclean)
fat 37944 0 (autoclean) [msdos vfat]
isofs 27988 1 (autoclean)
zlib_inflate 21156 0 (autoclean) [isofs]
udf 90464 0 (autoclean)
fglrx 197128 162
agpgart 40896 0 (autoclean) (unused)
parport_pc 25096 1 (autoclean)
lp 8096 0 (autoclean)
parport 34176 1 (autoclean) [parport_pc lp]
sg 34636 0 (autoclean) (unused)
st 29488 0 (autoclean) (unused)
sr_mod 16920 0 (autoclean) (unused)
scsi_mod 103284 3 (autoclean) [sg st sr_mod]
ide-cd 33856 1 (autoclean)
cdrom 31648 0 (autoclean) [sr_mod ide-cd]
audigy 70952 1
ac97_codec 12488 0 [audigy]
sound 70644 0 [audigy]
soundcore 6276 0 [audigy sound]
nfsd 74256 0 (autoclean)
af_packet 14952 1 (autoclean)
floppy 55132 0
8139too 17160 1 (autoclean)
mii 3832 0 (autoclean) [8139too]
ohci1394 19048 0 (unused)
ieee1394 45900 0 [ohci1394]
nls_iso8859-15 4092 3 (autoclean)
ntfs 76812 2 (autoclean)
keybdev 2720 0 (unused)
mousedev 5268 0 (unused)
supermount 15296 2 (autoclean)
hid 20900 0 (unused)
input 5664 0 [keybdev mousedev hid]
usb-uhci 24652 0 (unused)
usbcore 72992 1 [hid usb-uhci]
rtc 8060 0 (autoclean)
ext3 59916 2

rmmod