StarTech.com 9-pin Serial to 10-pin Header Slot Plate - Serial panel - DB-9 (M) - 10 pin IDC (F) - 41 cm StarTech.com 9-pin Serial to 10-pin Header Slot Plate - Serial panel - DB-9 (M) - 10 pin IDC (F) - 41 cm - Add an extra serial port to the back of your PC from your motherboard. - motherboard adapter - motherboard serial port