ASUS P4P800 - on-board sound card

I have ASUS P4P800 motherboard with AD1985 on-board audio.

My problem is that when large amounts of data are transfered through system bus (copying data in RAM, writing to disk, drawing on screen) I can hear a very noticeable and annoying noise coming out of my speakers.

Has anybody had such problems? Does it happen because of wrong configuration? Maybe my board is defective?

ASUS advertised that their board has superior sound quality. I really can't bear listening music on my computer! Please, help me.

Thank goodness I found someone who managed to configure this soundcard so that it can produce sound. May I know what did you do? Thanks. I can't produce any sound from this card in linux. The card works pretty well in Windows, I can assure you that.

By the way, AD1985 can be run with OSS kernel drivers.
The only problem is that line-in and line-out are swapped. Linux kernel has a workaround
for this, but enables it only when it detects AD1980. So you need to make a small change in
one of the source files.

Maybe kernel guys could incorporate this fix in mainstream 2.4.x & 2.6.x kernel?

Originally posted by actteoh Thank goodness I found someone who managed to configure this soundcard so that it can produce sound. May I know what did you do? Thanks. I can't produce any sound from this card in linux. The card works pretty well in Windows, I can assure you that.

You should write what exactly soundcard you have.
What I did was just enabling OSS in kernel with driver for ICH5 (this is an on-board sound controller).

Some time ago I also had Highscreen Soundboostar WAVE 3D 32-bit version. It was advertised as SB Pro compatible and so I unsuccessfully tried to set it up for more than year.
But then I checked what exactly chip my card had - it was Analog Devices 1... (don't rememer the number). Enabling support for this solved the problem.

Sometimes looking at what's written on the chips helps.

How to enable OSS in kernel?
Sorry if this sound as a stupid Question, I just learned to use Linux 1 week ago...

I did it by compiling kernel myself.
(to do this: get file "linux-2.4.26.tar.gz"; unpack it with "tar zxf linux-2.4.26..tar.gz";
go to the "linux-2.4.26" directory; type "make menuconfig" select whatever options you want;
exit the configuration utility; type "make dep && make bzImage && make modules && make
modules_install"; copy "arch/i386/boot/bzImage" to "/boot/bzImage-2.4.26"; modify "/etc/lilo.conf" so that bootloader uses your new kernel; type "lilo"; reboot linux)

If you don't want to compile try loading some modules like "sound", "audio", "oss" and "ac97", "i810_audio". (command: "insmod <name>"). To see what modules you have check the directory "/lib/modules"

am stucked at the modprobe part. The error message is as below:

[root@localhost /]# /sbin/modprobe snd-intel8x0
/lib/modules/2.4.22-1.2115.nptlsmp/kernel/sound/acore/snd.o: unresolved symbol schedule_work
/lib/modules/2.4.22-1.2115.nptlsmp/kernel/sound/acore/snd.o: insmod /lib/modules/2.4.22-1.2115.nptlsmp/kernel/sound/acore/snd.o failed
/lib/modules/2.4.22-1.2115.nptlsmp/kernel/sound/acore/snd.o: insmod snd-intel8x0 failed

Do you know why?

same problem whith AC'97 card- detected as 82801 DB AC'97 on RedHat 9.0 plattform.
I've tried everythig said in thet thread: swiching cables, aumix controls, uploading drivers...
still no sound.

pls post more solutions or ideas.. thanks.