The present invention relates to an input / output matching device and a data input / output method using the same, which enables a user to exchange messages during an exchange period, and is designed to be compatible with a main processing board through a shared memory In order to inform the operator of various information on the main processing board, it is transmitted to the shared memory in the input / output device through the MPS bus on the main processor side, and the input / output matching device transmits the received data to the PC, monitor and modem To operate the entire system. In addition, the CPU in the input / output matching device monitors the status of the input / output ports and reads the fault status from the main processor side, which is helpful for the operation of the system itself.
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