Right now I found the disc and want to start playing again and maybe even beat it

SO I NEED to find out how to get it to work perfect on windows xp.
I tryed Vdm sound but I keep geting lag in the music. and the whole game.
IF this helps my machine is a Athlon xp 1600+, 896mb drr pc 2100 ram
Asus A7v233 or is it A7v266 mother board, 256mb ddr ati radeon 9550, Sound blaster Platinum 24bit, and Maxtor Ultra series 80gb 7200rpm hard drive