Interface: 25 female pin parallel port board motherboard socket width 38mm for motherboard connection parallel port Requirements on the motherboard parallel port No. 1-25 pin and pin width of 31mm Connect the LPT1 row of pins on the motherboard do not insert the reverse, there is a red border line is the No. 1 line, the motherboard corresponds to the No. 1 pin is generally labeled as shown in the figure above the red line. Motherboard BIOS in the printer port operating mode (parallel port mode), please set to Normal. cable only plays a physical conductive connection connectivity, whether or not to support dongles, gamepads, printers and various types of equipment, please consult your motherboard, equipment and operating system supplier! Wire socket width: 3.8cm Wire length: 26cm Material: plastic colour: As Shown Package Contents: 2 x Motherboard baffle cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.