dude! 125c ! u only need 100c to boil water. 160c is like the temp of a fire. im suprised the GFX PCB hasnt melted yet! Might be that the temp sensor on the card is faulty, if it isnt well..... u might aswell go and buy ur self a new card cause IC's only have a operating temp of -25c to 95c. so i bet there are a few million transitors that are expriencing the firey shores of ****!