Biostar P4M80-M7 P4M80-M7 user's manual - Page 9

Step 2-2: P4M80-M7 Step 3: Hold the CPU down firmly, and then close the lever to complete the installation. Step 4: Put the CPU Fan on the CPU and buckle it. Connect the CPU FAN power cable to the JCFAN1. This completes the installation. 2.2 FAN HEADERS These fan headers support cooling-fans built in the computer. The fan wiring and plug may be different according to the fan manufacturer. Connect the fan cable to the connector while matching the black wire to pin#1. CPU FAN Header: JCFAN1 Pin Assignment 1 Ground 2 Power (+12V) 1 JCFAN1 3 FAN RPM rate sense 4 Smart Fan Control System Fan Header: JSFAN1 Pin Assignment 1 JSFAN1 1 Ground 2 Power (+12V) 3 FAN RPM rate sense Note: The JCFAN1 and JSFAN1 support 4-pin and 3-pin head connector. 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. 7