Um, the "non pre-amplified jack"? I guess I don't know what you're referring to. My SB Live 5.1 has:
A digital out (orange jack)
A line-in (blue)
A microphone jack (pink)
An analog line-out #1 for front speakers (green)
An analog line-out #2 for rear speakers (black)
The only jack that I can use is the green one. None of the other ones produce output....except the digital out. But it's not designed for headphones, obviously, and plugging my headphones into it produces weak sound in the right ear only. No sound in the left ear.
The green jack is the only one to use. Is it "pre-amplified"? Yeah, I imagine it is, by necessity, to drive enough sound to the headphones. The problem is that the volume SCALE is too loud. Like I said, volume notch #1 sounds like it should be notch #5 or 6. This never happened in Win98.
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