Jopto 5PCS ATX PC Computer Motherboard Switch On Off Reset Power Cable Case Power Supply Reset Switch Cable Desktop Computer Host Switch Cable Power Button Connection Jumper Red and Black 50cm :
Jumper, PC 2Pin ATX Chassis Power Switch Jumper, ATX Computer Housing Power Button Motherboard Jumper Switch for ATX Chassis, Switch Cable : Amazon.co.uk: Computers & Accessories
motherboard - Can I use a jumper in place of an on/off switch? - Super User