我剛升級至P4-3.0G (530J)

一開機就CPU升至71度
CPU風扇維持在3600-3688轉

進XP後用軟體看 keep 61C
進天2又升到73-75C

請問這樣正常嗎?

intel 530J (3.0G LGA775)+intel原廠風扇(4pin大風扇銅心)
Asus P5P800
勝創DDR433*2
Hitachi 160G (8M) SATA *1
NEC-2500 DVD+/-RW
ATI-9700NP
響尾蛇300W雙風扇power