Os ultimos drivers da ATI
http://www.ati.com/support/drivers/winxp/radeonwdm-xp.html?type=xp&prodType=graphic&prod=productsXPdriver&submit.x=11&submit.y=7&submit=GO%21

Toca a experimentar :P

Bem, pelos vistos o Bug de Hibernate e Stand By continua! E agora decidiram retirar o Overdrive... gg ATi...