| 摘要 |
A computing system and an I/O board thereof are disclosed. The computing system comprises at least a processor card including at least a processor unit, an expansion board including at least an expansion socket, and the I/O board including a south bridge chip, an I/O controller, and a plurality of I/O ports. The processor card, the I/O board, and the expansion board can be coupled by at least a processor unit bus connector and a plurality of interconnection bus connectors so as to enable the south bridge chip to communicate with the processor unit and the expansion socket.
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