Enumerates your PC for a list of drives and then lists whether they are removable, fixed, CDROM etc.可以列表你的PC上的驱动器列表，并列出它们是否是可删除的、固定的或CDROM，等等。
When the power supply begins to fail,you may receive power at one device and not another.For example,the Hard Drive may 当电源开始看,你可以得到一个功率器件,而不是相隔来说,可能硬盘接收功率无关,但在所有的光盘驱动.