Nope, a PII300 is slower than an Athalon 650. The game may be a bit sluggish since an 800 is recommended and you may have to turn off some of the "fancy" features but it should play fine (that doesn't mean it "will" play fine - but it should)
Dark Side : Risen
I can only please one person a day. Today isn't your day. Tomorrow's not looking good either.