Note:
When connecting the LPT1 pin on the motherboard, do not insert it. The red side line is line 1, and the corresponding No. 1 pin on the motherboard is marked as red line. Main port printer printer port working mode (parallel port mode), please set to Normal. Line only physical conductive connection, whether to support the dongle, game controller, printer and all kinds of equipment, please consult your motherboard, equipment and operating system supplier