CHAPTER 2: HARDWARE INSTALLATION
2.1 Connect Cooling Fans
These fan headers support cooling-fans built in the computer. The fan cable and
connector may be different according to the fan manufacturer. Connect the fan
cable to the connector while matching the black wire to pin#1.
SYS_FAN1/2: System Fan Header
Note: SYS_FAN1/2 support both 4-pin (PWM mode) and 3-pin (DC-Mode) smart fan
control. When connecting with wires onto connectors, please note that the red wire is the
positive and should be connected to pin#2, and the black wire is Ground and should be
connected to GND.
2.2 Install System Memory
A. DDR3L SO-DIMM Module (1.35V/1.5V)
Step 1: Align a DIMM on the slot such that the notch on the DIMM matches the
break on the Slot.
J1800TH
Pin
Assignment
1
GND
2
+12V
3
Fan RPM rate sense
4
Smart Fan Control
5