Because most disk devices use a sector size of 512 bytes, the first-stage boot loader code must be very small.

由于大多数磁盘设备扇区大小为512字节，因此第一步引导加载程序代码都很小。

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Boot code will not be updated if either 1 is not associated with a volume or 2 is associated with a volume not connected to an underlying disk partition.

在以下两种情况下，不会更新主启动代码：1此驱动器号没有关联卷2与未连接到基本磁盘分区的卷关联。

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When successful, a forced dismount allows exclusive volume access and a reliable boot code update even though the initial lock failed.

如果锁定成功，强制删除将启用独占卷访问权限和可靠的启动代码更新，即使初始锁定失败。

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The Linux Foundation's primary backer for the alternative OS efforts, Parallels' server CTO James Bottomley, has revealed that Microsoft's requirements for signed, Secure Boot-ready code are tough if developers aren't entirely onboard its train of thought.

ENGADGET: Linux Foundation vet explains setbacks in getting a Secure Boot key for Windows 8 PCs