Asus Crosshair V Formula-Z - Manual (Page 43)

ASUS CROSSHAIR V FORMULA-Z 1-27
Chapter 1
1.2.7 Jumpers
1. LN2 Mode Jumper (3-pin LN2)
When enabled, the LN2 Mode jumper allows your system to eliminate the cold bugs
in the processor during POST. It allows the processor to run at an extremely low
temperature and helps the system boot fast.