Function: 1.Parallel printer DB-25 Female to 26 Pin IDC and DB 9 to IDC 10 Socket for motherboards that have the optional connection pin out. Add 1 Motherboard Cable Adapter 26 Pin and 10 Pin port to your computer. 2. (DB25 DB9) motherboard expansion cableSerial port parallel to the baffle line can be connected to the printer and 9-pin serial device, with this do not have to buy a parallel card and serial card Com cable with baffle, installed on the motherboard serial port on the line, you can increase the computer's COM port, with the baffle installed in the PCI NOTE: 1.the motherboard corresponding to the general needle 1 marked the red line. The red side of the line to the pin on the motherboard pin 1 side, vertical insert, plug in place to tighten on the line. 2.For the printer port operating mode (parallel port mode) in the BIOS, please set it to "Normal" Specifications: 1.Total Size : 30 x 12 x 1.8cm / 11.8" x 4.7" x 0.71"(L*W*T); 2.Color : Gray, Silver Tone, Black 3.Type : DB 25 Female to IDC 26 Pin Female, DB 9 Male to IDC 10 Female 4.Net Weight : 52g 5.Package Content : 1 x DB25 Parallel DB9 Com Port Cable Bracket