| 摘要 |
Switching apparatus is used in combination with two hard disk drives to enable one to configure one of the hard disk drives as a master and the other as a slave, without moving either hard disk drive from the computer in which it is installed and without moving any jumpers previously placed on configuration pins built into the hard disk drives. Thus, it becomes a simple matter to convert a given digital computer into the equivalent of two digital computers, each of which can be provided with its own operating system. The two operating systems may be the same or they may be different The advantages of this hardware dual-boot system over previously used software dual-boot systems include simplicity of installation, imperviousness to crashes during installation, and free access to files on either hard disk that are compatible with the operating system in use at any given time.
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