The boot drive is usually the first hard drive on the system, but may also be a diskette, CD, or USB key.

引动驱动器通常是系统上的第一个硬盘驱动器，但也可以是一个磁盘、CD 或 USB 密匙。

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In order to adapt to a bootable CD-ROM with the computer, some BIOS will also allow the drive designated as the boot drive.

为了适应装有可启动光盘的电脑，一些BIOS还允许将光驱指定为启动驱动器。

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I then rebooted and rerun the Xcode installer (in the Applications folder) which then offered to update the development tools on my boot drive.

接着我重启系统并重新运行Xcode安装程序(在Applications目录中)，然后安装程序自动地更新了引导驱动器上的开发工具。

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The Kingston SSDNow V Series 30GB Boot Drive will begin shipping in late February 2010.

ENGADGET: Kingston SSDNow V dips to 30GB size, lower price

The new SSDNow V Series 30GB Boot Drive accomplishes this and more.

ENGADGET: Kingston SSDNow V dips to 30GB size, lower price

With the Kingston SSDNow V Series 30GB Boot Drive on board, users will notice an instant improvement on their desktop's program load times.

ENGADGET: Kingston SSDNow V dips to 30GB size, lower price