After POST, the loader from a ROM loads the boot sector, which then loads the operating system from the active partition.

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。

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All PC systems start the boot process by executing code in ROM (specifically, the BIOS) to load the sector from sector 0, cylinder 0 of the boot drive.

所有的PC系统都是通过执行rom(明确地说，BIOS)中的代码从引导磁盘的0柱面0扇区加载扇区，从而开始引导过程。

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An alternative is to boot from a floppy disk that recognizes the CD-ROM and passes off boot control to the latter.

另一种方案是从一张可识别CD - ROM的软盘进行引导，然后把引导控制交给CD - ROM。

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Interrupting the reboot process only long enough to change the initial boot device in BIOS from CD-ROM to disk, I impatiently watched Linux boot, waiting for the login prompt to appear.

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Here's how to create a boot disk that does let you access the CD-ROM drive.

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