Asus Barebone System T2-PH2 - Manual (Page 62)

4-4 Chapter 3: Starting up
2. Fan power jumper (3-pin FANPWR1)
This jumper allows you to enable or disable the ASUS Q-Fan function.
®
FANPWR1
3 2 2 1
Disable Q-FAN Enable Q-FAN
(Default)
Fan Power