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ASUS Support Home Location : Forum > Motherboard > M2NPV-VM  
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  Topic : Rear Mic port not working ? New Topic
dshel
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From: Canada
Posted:11/17/2006 6:25:00 AM # 1
The rear microphone port does not seem to work properly.

When I reboot or connect a mic there, the SoundMax box pops up and asks me what is connected there, I always pick a Mic....

I wired the front one on the mobo to my front jacks, and this one does work OK.

Speakers work both front and rear ???

Is it possible I connected the mobo wrong and it disabled the built-in rear one ?

I noticed if I disable HD Sound in the BIOS, nothing works.... is this normal ?

Ideas ?


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puzzleman
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From: China
Posted:11/17/2006 3:43:00 PM # 2
Please go into soundmax HD audio control panel,
in the mixer, please disable the front MIC support.
By default, the driver will active the front MIC and disable the rear one.

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Gore Daimon
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From: Brazil
Posted:1/16/2007 8:15:00 AM # 3

Quote:
Author: puzzleman Posted: 11/17/2006 3:43:00 PM

Please go into soundmax HD audio control panel,
in the mixer, please disable the front MIC support.
By default, the driver will active the front MIC and disable the rear one.

Hello puzzleman,

I´m having a problem with rear mic. I´m only using the rear audio panel, and when I connect the mic, SoundMax says that was found a mic. I select the mic and when I test the mic with MSN, I got no mic sense by MSN configuration. My mic is configured for record only, not playback.

You say that I need to configure the mic to be a rear mic, allright? Where I need to change this?

Thanks

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Steuter
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From: Germany
Posted:1/16/2007 6:13:00 PM # 4
Hello,
I have the same problem with the rear micro.

In the mixer I see only microfon, no "front" microfon.

When I installed OpenSuse, there is the same ( and some more ) problem.
Where can I enabled the rear micro?

Greeting Ulli



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Marinelli
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From: Italy
Posted:1/16/2007 6:33:00 PM # 5

There are two types of "audio front panels": "AC'97" and "HD Audio". I think that this motherboard really neads a "HD Audio" front panel for audio connections to work properly.
If you attach an AC'97 front panel you will have three problems:

- jack sensing will not work for front panel jacks
- the rear mic jack will not work
- the rear speakers connector will not get muted when attaching headphones on the front panel

The manual says that the motherboard is compatible with AC'97 front panels, but this is not completely true.

Ciao, Nicola.

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Steuter
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From: Germany
Posted:1/16/2007 8:23:00 PM # 6
It's sounds not good...
But, even without frontpanal the rear micro is dead.

Greetings Ulli



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Marinelli
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From: Italy
Posted:1/17/2007 1:05:00 AM # 7
You could try to disconnect the front panel cable and then put a jumper on pins 2 and 4 of the motherboard audio connector:
___
2 4 6 x 10
1 3 5 7 9


This will tell the BIOS and/or the drivers that a HD audio front panel is connected to the header, but no jacks are plugged in this "virtual" panel, so the drivers will enable the back panel ports. You could also simulate the insertion of a plug in the headphone jack by shorting pins 7 and 10 (the drivers will mute the back panel speakers connector) or the insertion of a plug in the microphone jack by shorting pins 7 and 6 (the drivers will disable the back panel microphone connection).

But what is really needed is a TRUE HD audio front panel ...

Ciao, Nicola.

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Marinelli
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From: Italy
Posted:1/21/2007 1:27:00 AM # 8
I connected a TRUE "HD audio" front panel to my motherboard and in this configuration the rear speakers will get muted when headphones are inserted in the front panel; since in a HD audio front panel there are no "return" lines, this means that jack sensing is also working for the front panel jacks (muting is performed by the audio drivers when the headphones are detected on the front panel).
But there is still the problem with the back panel mic socket ...

Ah ... I discovered that SoundMAX drivers are quite useless, as the AD1986A codec is recognized by standard Microsoft HD audio drivers.

Ciao, Nicola.

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Steuter
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From: Germany
Posted:1/22/2007 7:04:00 AM # 9
Hello,
in the meantime I have a second board, with the same problem.
Installed without frontpanel, with xp and HD-Audio Patch, but no function on the rear micro.
I'm not shure if there is problem with the board, or if the problem is sitting before the board ;-)


for my customer I took a Abit NF-M2 nView , and it worked fine

Greetings Ulli




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Mantineo
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From: Germany
Posted:2/1/2007 6:40:00 AM # 10
Hi the fact that using a legacy audio front panel does not allow to mute the rear speaker is a malfunction or a feature of the mother board ?

The microphone seem to work fine with sound max (it allow to select front or rear Mic)

Regards

Alfio

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