HDA or AC97 for Nvidia MCP61S?

HDA or AC97 for Nvidia MCP61S?

[alsa-devel.20.pris]

Hello,

as I already reported on another email I'm having problems with my sound:

http://thread.gmane.org/gmane.linux.alsa.devel/49412

My motherboard is PCCHIPS A13G+.
The sound hardware of my Mobo is in the NVIDIA MCP61S Single chipset.
This chipset consists of: GeForce(R) 6100 GPU and MCP nForce(R) 405
Codec: Realtek ALC660-VD

When looking at the soundcard matrix for Nvidia there are 2 options listed:
http://www.alsa-project.org/main/index.php/Matrix:Vendor-Nvidia

AC97 nForce-1 - nForce-4
HDA nForce-430 and later

Since my chipset is nForce 405 should I select the first option
AC97? But everyone seems to advise me to use the HDA option.

When I look at the details for HDA I see only "Intel HDA driver" and
nothing about which particular chipsets are supported.
On the AC97 option there is a list of chips but all are from Intel and
none from Nvidia.

So I'm confused. Which soundcard is the correct one for me? Is my
particular chipset supported at all?

Thanks!

Re: HDA or AC97 for Nvidia MCP61S?

[Takashi Iwai]

At Tue, 13 Nov 2007 14:34:21 -0200,
alsa-devel.20.pris@spamgourmet.com wrote:
> 
> Hello,
> 
> as I already reported on another email I'm having problems with my sound:
> 
> http://thread.gmane.org/gmane.linux.alsa.devel/49412

Did you try my suggestion?

> My motherboard is PCCHIPS A13G+.
> The sound hardware of my Mobo is in the NVIDIA MCP61S Single chipset.
> This chipset consists of: GeForce(R) 6100 GPU and MCP nForce(R) 405
> Codec: Realtek ALC660-VD
> 
> When looking at the soundcard matrix for Nvidia there are 2 options listed:
> http://www.alsa-project.org/main/index.php/Matrix:Vendor-Nvidia
> 
> AC97 nForce-1 - nForce-4
> HDA nForce-430 and later
> 
> Since my chipset is nForce 405 should I select the first option
> AC97? But everyone seems to advise me to use the HDA option.

They are correct.  It's highly likely HD-audio only.
Even though the controller supports AC97, it's useless if the device
has no AC97 codec chip.

> When I look at the details for HDA I see only "Intel HDA driver" and
> nothing about which particular chipsets are supported.
> On the AC97 option there is a list of chips but all are from Intel and
> none from Nvidia.

Nvidia, AMD and other controller chips are almost compatible with the
first chip supported HD-audio, which was Intel.

> So I'm confused. Which soundcard is the correct one for me? Is my
> particular chipset supported at all?

Yes and yes.  It's no quesiton about the chipset but the hardware
implementation in another level.  Each mobo or laptop has slightly
different designs even with the same chipset.  This difference gives
great pain for HD-audio driver.


Takashi

Re: HDA or AC97 for Nvidia MCP61S?

[alsa-devel.20.pris]

Hi Takashi

> >
> > http://thread.gmane.org/gmane.linux.alsa.devel/49412
>
> Did you try my suggestion?

Not yet. I didn't try it because I'm not yet convinced that I need to
install a new version in order to get it going. After all sound IS
working with the example ogg file that comes with Ubuntu. Is this
possible for the sound to work with one file and not work with another
and this to be a problem with the ALSA driver? I thought maybe this is
some configuration problem.

Again, I have no problem in recompiling the driver, I just wanted this
to be the last step to try.

Thanks for your help!

Re: HDA or AC97 for Nvidia MCP61S?

[alsa-devel.20.pris]

On Nov 16, 2007 12:42 AM, R G <alsa-devel.20.pris@spamgourmet.com> wrote:
> Hi Takashi
>
> > >
> > > http://thread.gmane.org/gmane.linux.alsa.devel/49412
> >
> > Did you try my suggestion?
>

A related question: is it safe to use the latest snapshot of the Alsa driver?

Re: HDA or AC97 for Nvidia MCP61S?

[alsa-devel.20.pris]

On 11/14/07, Takashi Iwai - tiwai@suse.de wrote:

> >
> > as I already reported on another email I'm having problems with my sound:
> >
> > http://thread.gmane.org/gmane.linux.alsa.devel/49412
>
> Did you try my suggestion?
>

Yes Takashi,

I finally tried your suggestion.

To be more exact, I followed the instructions at the following
address, using the newest driver version of course(1.0.15):

https://help.ubuntu.com/community/HdaIntelSoundHowto

So, I downloaded and installed 1.0.15 of alsa-driver, alsa-lib and alsa-utils.

I tried the following configurations in /etc/modprobe.d/alsa-base:

options snd-hda-intel model=3stack-660
options snd-hda-intel model=3stack-660-digout

Rebooted, no luck.

After that I installed the latest driver snapshot: alsa-driver-hg20071129
Note that in this case I didn't reinstall alsa-lib and alsa-utils but
kept the 1.0.15 version that I had just installed.

Results: avi files play and I hear the music sound fine, but when
people speak, it is all garbled and low volume. Again, the soundtrack
works but not the talking.

Any help is appreciated!

Roland