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What's the deal with the digital cable plug on my new/used dvdrw/cdrw drive?

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rackoon:

I built a MAME computer on the cheap and used a CD-rw drive not knowing that most Roms will be on DVD. No big deal, I just bought a used DVD drive, problem solved, but wait!

The DVD drive has a digital port in the back and I don't even think that my motherboard has a place to pug one in. Can I just skip it? Is it so I can play DVDs on my computer? I probably wont be doing that any way. :dunno

Crax:

as long as you have your power and your ide cables connected, you should be fine.

ahofle:

Yeah it usually goes into your sound card (or on your motherboard if you have onboard sound) for digital audio.  It's used for CD and DVD audio.

davieboynj:

you can also connect an led and make a toslink connector out of it...

rackoon:

My motherboard has on board audio and a spot for the 4pin analog cable. I hooked that up but I don't see a spot for the 2pin digital. My old CD-w drive didn't even have one. So let me guess, its for stuff like surround sound? :P

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