| 摘要 |
A same single board computer system that is operable as a system master and a bus target and methods of operating the same are described. In one system, a processor having a system master mode of operation and a bus target mode of operation is mounted on a printed circuit board. An expansion board connector is coupled to the processor and is configured to couple to an expansion board. A system master connector also is coupled to the processor and is configured to couple to an expansion board connector of a system master board. In a method of operating the above-described system, the processor is configured as a system master or a bus target in response to a received mode control signal, and a target bus or a system master bus is selectively enabled in response to the received mode control signal.
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