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Old 09-12-2004, 12:15 PM   #1
Registered: Feb 2002
Location: IL
Distribution: Ubuntu currently, also Fedora, RHEL, CentOS
Posts: 111

Rep: Reputation: 15
FC2 on-board sound nforce chipset

I am unable to get on-board sound to work on my biostar mobo. KDE tells me the sound card
looks like this:
Sound Driver:3.8.1a-980706 (ALSA v1.0.4 emulation code)
Kernel: Linux localhost.localdomain 2.6.8-1.521 #1 Mon Aug 1
Config options: 0
Installed Drivers:
Type 10: ALSA emulation
Card Config
VIA 823x rev60 at 0xe800, irq 5
Audio devices:
0: VIA 823x rev60 (DUPLEX)
7: system timer
0: C-Media Electronics CMI9739

The soundcard detection utility tells me
Vendor: VIA Technologies
Model: VT8233/A/8235/8237 AC97 Audio Controller
Module: snd-via82xx

[root@localhost root]# lsmod
Module Size Used by
snd_seq 52689 0
snd_pcm_oss 43129 0
snd_mixer_oss 14017 1 snd_pcm_oss
snd_via82xx 24165 1
snd_ac97_codec 58821 1 snd_via82xx
snd_pcm 83529 3 snd_pcm_oss,snd_via82xx
snd_timer 25413 2 snd_seq,snd_pcm
snd_page_alloc 8393 2 snd_via82xx,snd_pcm
gameport 4033 1 snd_via82xx
snd_mpu401_uart 7361 1 snd_via82xx
snd_rawmidi 21733 1 snd_mpu401_uart
snd_seq_device 6473 2 snd_seq,snd_rawmidi
snd 45477 11 snd_seq,snd_pcm_oss,snd_mixer_oss,snd_via82xx,snd_ac97_codec,snd_pcm,snd_timer,snd_mpu401_uart,snd_r awmidi,snd_seq_device
soundcore 7713 1 snd
parport_pc 21249 1
lp 9133 0
parport 35977 2 parport_pc,lp
autofs4 20677 0
sunrpc 141861 1
via_rhine 19273 0
mii 3777 1 via_rhine
floppy 54001 0
sg 28513 0
xfs 505777 1
dm_mod 47317 0
uhci_hcd 28505 0
ehci_hcd 27973 0
button 4825 0
battery 7117 0
asus_acpi 9177 0
ac 3533 0
nvidia 4808532 12
md5 3905 1
ipv6 217349 12
ext3 96937 2
jbd 66521 1 ext3
sata_via 4805 0
libata 29637 1 sata_via
sd_mod 17473 0
scsi_mod 105360 3 sg,libata,sd_mod

I would really like to get sound working, as I am out of PCI slots in this box. (It only has 1).
Old 09-12-2004, 03:52 PM   #2
Registered: Feb 2002
Location: IL
Distribution: Ubuntu currently, also Fedora, RHEL, CentOS
Posts: 111

Original Poster
Rep: Reputation: 15
I decided to do more testing and then decided to reinstall.
RIGHT after the install, when Fedora first configures the sound-card, I could hear the test sound.
After that I upgraded a bunch a pakcages via apt and upgraded the kernel.
Then I rebooted.
That's when I lose sound. I tried booting back to the older kernel also, and still no sound.
I opened xmms and looped a simple gaim sound. Then I opened KMIX and started checking and unchecking boxes. When I unchecked "IEC958 Capture Monitor" my sound started working again. I figured that was the problem in 2.6.8 too. So I booted back into 2.6.8 kernel (as opposed to 2.6.5) and found that test didn't work as I had hoped. So now, I can get sound in 2.6.5 but not 2.6.8.

Then I played around some more. After 4 or 5 tries, I think I got it. I am still not sure it will fix itself upon reboot though.

Soundcards suck.
Old 09-12-2004, 05:09 PM   #3
LQ Newbie
Registered: Sep 2004
Posts: 1

Rep: Reputation: 0
tnx for your post

I had the same problem - i think its maby after last kde-libs update?!
My sound has gone Soundcard Detections showed my card properly - nforce2 AC97 but Test didnt work.
Also dmesg displayed:
application sox uses obsolete OSS audio interface
Then I found your post, unchecked that *?|$% "IEC958 Capture Monitor" and got my sound back
My kernel: 2.6.8-1.521, I dont usualy use kde and never KMIX before
Chers for UR's advice mate...
Old 09-12-2004, 11:54 PM   #4
Registered: Oct 2003
Location: King George, VA
Distribution: RHEL/CentOS/Scientific/Fedora, LinuxMint
Posts: 370

Rep: Reputation: 44
you should use "snd_Intel8x0" module for nforce2 great

remove that via module

Last edited by doublejoon; 09-12-2004 at 11:55 PM.


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