Asus RS300-H8-PS12 - Manual (Page 54)

Chapter 4: Motherboard information 4-6
2. VGA controller setting (3-pin VGA_SW1)
This jumper allows you to enable or disable the onboard VGA controller. Set to pins
1–2 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 Intel
® I210AT Gigabit LAN
controllers. Set to pins 1-2 to activate the Gigabit LAN feature.