| 摘要 |
A method for switching between boot devices in an information processing unit devoid of a human machine interface for inputting, the steps of short-circuiting an output port and an input port, outputting a verification signal from the output port at the time of powering on or restarting the information processing unit, determining whether or not the verification signal is input to the input port, switching the OS boot source to a second boot device if the verification signal is input to the input port, and switching the OS boot source to a first boot device if the verification signal is not input to the input port, is provided for.
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