I have upgraded my OS from FC1 to FC3 and I do not have any sound. In
FC1 there was no such problem.

Soundcard information:
Vendor: ALi
Model: Corporation M5451 PCI AC-Link Controller Audio Device
Module: snd_ali5451

#grep snd /etc/modprobe.conf 
alias snd-card-0 snd-ali5451
options snd-card-0 index=0

#/sbin/lspci 
00:00.0 Host bridge: ALi Corporation M1672 Northbridge [CyberALADDiN-P4]
00:01.0 PCI bridge: ALi Corporation PCI to AGP Controller
00:04.0 IDE interface: ALi Corporation M5229 IDE (rev c4)
00:06.0 Multimedia audio controller: ALi Corporation M5451 PCI AC-Link
Controller Audio Device (rev 02)
00:07.0 ISA bridge: ALi Corporation M1533 PCI to ISA Bridge [Aladdin IV]
00:08.0 Bridge: ALi Corporation M7101 Power Management Controller [PMU]
00:09.0 Modem: ALi Corporation M5457 AC'97 Modem Controller
00:0a.0 Ethernet controller: Realtek Semiconductor Co., Ltd.
RTL-8139/8139C/8139C+ (rev 10)
00:0c.0 USB Controller: NEC Corporation USB (rev 43)
00:0c.1 USB Controller: NEC Corporation USB (rev 43)
00:0c.2 USB Controller: NEC Corporation USB 2.0 (rev 04)
00:10.0 Ethernet controller: Atheros Communications, Inc. AR5212
802.11abg NIC (rev 01)
00:11.0 CardBus bridge: Toshiba America Info Systems ToPIC95 PCI to
Cardbus Bridge with ZV Support (rev 33)
00:12.0 System peripheral: Toshiba America Info Systems SD TypA
Controller (rev 05)
01:00.0 VGA compatible controller: Trident Microsystems CyberBlade
XPAi1 (rev 82)

#/sbin/lsmod
Module                  Size  Used by
parport_pc             26501  0
lp                     12077  0
parport                36617  2 parport_pc,lp
md5                     4033  1
ipv6                  230273  8
autofs4                22981  0
sunrpc                154149  1
pcmcia                 20805  2
ipt_REJECT              6593  6
iptable_filter          3521  1
ip_tables              16321  2 ipt_REJECT,iptable_filter
microcode               6497  0
dm_mod                 55509  0
video                  15813  0
toshiba_acpi            5717  0
button                  6609  0
battery                 9285  0
ac                      4805  0
yenta_socket           19137  0
pcmcia_core            50817  2 pcmcia,yenta_socket
ohci_hcd               23381  0
ehci_hcd               34761  0
i2c_ali15x3             7109  0
i2c_core               20801  1 i2c_ali15x3
snd_ali5451            25605  1
snd_ac97_codec         67105  1 snd_ali5451
snd_pcm_oss            47861  0
snd_mixer_oss          17089  1 snd_pcm_oss
snd_pcm                92233  3 snd_ali5451,snd_ac97_codec,snd_pcm_oss
snd_timer              28357  1 snd_pcm
snd                    52261  8
snd_ali5451,snd_ac97_codec,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_timer
soundcore               9889  1 snd
snd_page_alloc          9541  1 snd_pcm
8139too                26177  0
mii                     4673  1 8139too
ext3                  116041  2
jbd                    68185  1 ext3

This seems to be a common problem for FC3 users but none of the fixes
posted on the web worked for me.
Any ideas?

Arko

P.S. Sound works under Knoppix but there was no modprobe.conf file. Why?