digital/analog cable connectors on cd/dvd drives...

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digital/analog cable connectors on cd/dvd drives...

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t229955

Junior Member

6. August 2006 @ 05:43

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I was wondering for a long time what they are for? you know those 2 ports on the left back side of the optical drives...

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BOB

The_OGS

Senior Member

6. August 2006 @ 07:25

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Hi t229955,
Back in the 90's, this was how games and multimedia audio connected to the soundcard. This connection (the 4-pin) is described as analog, and there is also a smaller (2-pin) digital connection, comparable to coaxial S/PDIF audio.
Today your WMP (or whatever) can take the digital audio directly from the CD through the PCI interface. Sheesh, today's rigs can do DVD A+V in real time - but back then, PCs weren't strong enough.
The old audio is still supported even on the newest motherboards, because certain (older) programs/games require this for their multimedia audio experience... ie. Quake1 - with little audio cable in place, you get Trent Reznor & Nine Inch Nails :^)
Regards

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