If a number is specified for platform-title, it is treated as the menu option to boot (not a platform to match against).

如果为platform - title指定的是一个数字，那么该数字会被当作是要引导的菜单选项(而不是要匹配的平台)。

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You can usually find the option under the 'boot' menu, and you will need to save these changes to be able to boot from the optical drive.

通常你可以在“Boot”菜单下找到相关选项，你需要保存这些更改以便能够从光驱启动。

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