High Def Audio Device Channels?

[MrJesus]

I really need help here.... I need to know how many channels my "Sound Card" has. Two things, I don't know how to check my sound card but the "High Definition Audio Device" is the only thing that really comes up. Maybe I have a Sigmatel card because I have the drivers installed for it. I have not modified or upgraded my sound card since I have bought this computer, I am running Vista and have a Gateway type PC. I need to find this out because I am looking to buy a Logitech X-540 5.1 speaker set and it requires 2 channels for the surround sound (I think). All help would be appreciated. Do all modern computers have at least 2 channels on their sound card?

 

[Johanster]

I am assuming that you bought this computer from a manufacturer. If so, please post the model number for the computer. It should say on the manufacturer's website what parts are within the belly of your computer.

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Clarification needed

By channels you mean for surround sound? (I know that made no sense so here is an example)

5.1 Surround Sound - 5 channels??