Biostar TA790GX XE Setup Manual - Page 10
JCFAN1: CPU Fan Header, JNFAN1: NorthBridge Fan Header, JSFAN1: System Fan Header - support
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Motherboard Manual 2.2 FAN HEADERS 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. JCFAN1: CPU Fan Header 1 4 Pin Assignment 1 Ground 2 +12V 3 FAN RPM rate sense 4 Smart Fan Control (By Fan) JNFAN1: NorthBridge Fan Header JSFAN1: System Fan Header JNFAN1 3 1 JSFAN1 Pin Assignment 1 Ground 2 +12V 3 FAN RPM rate sense Note: The JCFAN1, JNFAN1, and JSFAN1 support 4-pin and 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 GND. 8
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