当找到一个引导设备之后，第一阶段的引导加载程序就被装入RAM并执行。

When a boot device is found, the first-stage boot loader is loaded into RAM and executed.

youdao

当找到一个引导设备之后，第一阶段的引导加载程序就被装入RAM并执行。

When a boot device is found, the first-stage boot loader is loaded into RAM and executed.

youdao