然后它加载内核或者其它操作系统的引导扇区。
It then loads kernels or the boot sectors of other operating systems.
但要注意一点，如果一个硬盘驱动器不是全新的，该驱动器上可能存在数据，其中可能包含一个引导扇区病毒和其他危险数据。
However, be aware that if the drive is not new out of the box, it may have existing data on it, which could include a boot sector virus and other nasty things.
在POST之后，ROM中的加载程序将载入引导扇区，该扇区随后将从活动分区中载入操作系统。
After POST, the loader from a ROM loads the boot sector, which then loads the operating system from the active partition.
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