Chapter 2: Hardware installation
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A68N-5745 / A68N-5545 / A68N-5600
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.
CPU_FAN: CPU Fan Header (Smart Fan)
Pin Assignment
1
Ground
2
+12V
3
FAN RPM rate sense
SYS_FAN: System Fan Header
Pin Assignment
1
Ground
2
+12V
3
FAN RPM rate sense
Note
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CPU_FAN, SYS_FAN support 3-pin head connectors. 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 pin#1(GND).
2.2 Install System Memory
DDR3 Modules