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Add two USB 2.0 ports and one 15-pin serial port to the rear of your computer. With this adapter, you can add two additional USB 2.0 ports and one 15-pin serial port to your PC. Note: Check your motherboard manual for the USB pinout diagram and also for the serial port pinout diagram. If your motherboard does not provide a serial port header, you may use only the two USB ports. I have more than 10 units available. I can deliver in person in the Algarve region or ship nationwide upon bank transfer.
