Chapter 2: Hardware installaon | 9
A68MHE
2.3 Connect Cooling Fans
These fan headers support cooling-fans built in the computer. The fan cable and connector
may be dierent according to the fan manufacturer.
CPU_FAN1: CPU Fan Header
Pin Assignment
1 Ground
2 +12V
3 FAN RPM rate sense
4 AI Fan Control
SYS_FAN1: System Fan Header
Pin Assignment
1 Ground
2 +12V
3 FAN RPM rate sense
Note
»
CPU_FAN1,support4-pinand3-pinheadconnectors.SYS_FAN1support3-pinheadconnectors.
Whenconnecngwithwiresontoconnectors,pleasenotethattheredwireistheposiveand
shouldbeconnectedtopin#2,andtheblackwireisGroundandshouldbeconnectedtopin#1(GND).
2.4 Install System Memory
DDR3 Modules