| 摘要 |
A computer system that includes: an installing unit to which an external device is installed to support either a first interface or a second interface; an external device controller which includes a first controller to communicate with the external device when installed to the installing unit, via the first interface, and a second controller to communicate with the external device when installed to the installing unit, via the second interface; an external device determiner to determine an interface supported by the external device installed to the installing unit; and a controlling unit to control the external device controller to disable a controller communicating through the interface that is not supported by the external device installed to the installing unit, based on a determination result from the external device determiner during a POST operation. Thus, a computer system is provided to promote saving system resources and power consumption.
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