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I recently installed Windows 7 as the OS for a PC that I'm using as a media center running XBMC. Initially I only put in 2 speakers. Now I've added rear speakers. The soundcard is a SoundBlaster Live 5.1, which I got drivers to work properly in Windows 7 (at least it seems so). The soundcard does have rear sound outputs (a black ring for rear, green for front).

However, it only shows Mono and Stereo as options in Speaker Setup. I would like to have and use Quadraphonic or better as options. How do I get these options to show up?

Here is a picture of Quadraphonic audio channel showing up in my other Windows 7 PC:

Speaker setup

NOTE: I want to note that the stereo speakers, front left & right, both are working fine. I just cannot get the rear outputs to receive sound through Speaker Setup.

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@sunpech What is the model number of your sound card? –  evan.bovie May 28 '11 at 12:47
    
Is the model number right on the physical sound card? –  spong May 28 '11 at 12:53
    
@sunpech Yep. This article will help you find it. –  evan.bovie May 28 '11 at 12:55
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This KB article shows Windows 7 Compatible Drivers. The Sound Blaster Live! 5.1 card is not compatible with Windows 7. Try drivers from here, or if that doesn't work try the kX project. Other than that, there isn't much help for this card on this OS. –  evan.bovie May 28 '11 at 13:36
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@sunpech I'm afraid that there aren't anymore options for this sound card. The fact that Creative does not support the card anymore severely limits a solution. The option is not showing up in the speaker setup is because the drivers in use do not fully support and hook into the Windows 7 driver model. –  evan.bovie May 29 '11 at 3:45

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