Asus ESC4000/IB - Manual (Page 59)

ASUS ESC4000 Series 4-5
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. ME firmware force recovery setting (3-pin ME_EN1)
This jumper allows you to quickly recover the Intel Management Engine (ME)
firmware when it becomes corrupted.