显卡风扇狂转

各位兄弟：
我的配置如下：
cpu:e6320(盒）
主板：GA965P-DS3(REV3.3) 1
内存：威刚8001G*2
硬盘：ST320G sata2.5 16m
显卡：蓝宝石X1950GT
显示器：AOC210V
DVI线：
光驱：三星光雕
电源：TT金刚500
机箱：世纪之星V2
键鼠：罗技飞猎800
装的是XP和F8双系统，显卡驱动用的是LIVNA的，自从装上驱动后，显卡风扇狂转，吵死人，而在XP下很安静，不知什么原因，请各位大虾指教。谢谢，我的显卡配置如下：
# Xorg configuration created by livna-config-display

Section "ServerLayout"
Identifier "Default Layout"
Screen 0 "Screen0" 0 0
InputDevice "Keyboard0" "CoreKeyboard"
EndSection

Section "Files"
ModulePath "/usr/lib64/xorg/modules"
EndSection

Section "ServerFlags"
Option "AIGLX" "on"
EndSection

Section "InputDevice"
Identifier "Keyboard0"
Driver "kbd"
Option "XkbModel" "pc105"
Option "XkbLayout" "us+inet"
EndSection

Section "Device"
Identifier "Videocard0"
Driver "fglrx"
Option "OpenGLOverlay" "off"
Option "VideoOverlay" "on"
EndSection

Section "Screen"
Identifier "Screen0"
Device "Videocard0"
DefaultDepth 24
SubSection "Display"
Viewport 0 0
Depth 24
EndSubSection
EndSection

Section "Extensions"
Option "Composite" "Enable"
EndSection