ASUS RS520-E8-RS8 V2, RS520-E8-RS12-EV24-52. VGA controller setting (3-pin VGA_SW1)This jumper allows you to enable or disable the onboard VGA controller. Set to pins1–2 to activate the VGA feature.3. LAN controller setting (3-pin LAN_SW1, LAN_SW2)These jumpers allow you to enable or disable the onboard LAN_SW1 or LAN_SW2.Set to pins 1–2 to activate the Gigabit LAN feature.