I have ordered several of these. They arrived in two days (USPS mail), packaging was fine for what they are. If you do this all the time, you probably won't need the rest of the information. The pin 1 side of the cable is clearly marked. My motherboard has 2 COM ports and COM1 is missing the pin in the top right corner. COM2 has a missing pin in the lower left corner. Since these cables have a 10-pin socket, they can be connected to the motherboard from either end, but only one of them isโฆ