In a split second, plugged into a speaker output instead of a line output. Smell of smoke emanating from my computer. 
Anyway, two questions: First, is the audio hardware likely to be on the motherboard, or a plug-in module? Second, can anybody recommend a cheap USB audio adapter?
Anyway, two questions: First, is the audio hardware likely to be on the motherboard, or a plug-in module? Second, can anybody recommend a cheap USB audio adapter?