Connect your system LED panel status lights to your motherboard or hard drive controller. The IDC2PIN18, 18-inch Motherboard/HDD LED cable features two 2-pin header connectors, enabling you to connect your system LED panel status lights to your motherboard or hard drive controller. StarTech.com 18in Internal 2 pin IDC Motherboard Header Cable - HDD LED Cable F/F is one of many Computer Cables available through Office Depot. Made by StarTech.