我的主板是P4V88+,刚升了CPU,还换了块9800PRO显卡,可装上后启动电脑,主板就嘟嘟的报警,显示器显示红色提示“you have not conn ected the power extensiow cable to your radeon 9800 video card please refer to the "getting started guide" for pro per hardware installation!”不知道是怎么会事?我事先也查过很多资料,这主板应该支持8X显卡的啊!