Gigabyte GA-9SISL Manual - Page 17
ATX1/P12V_AUX1 2x12 Main Power Connector and 2x2 12V Power Connector
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1/2) ATX1/P12V_AUX1 (2x12 Main Power Connector and 2x2 12V Power Connector) With the use of the power connector, the power supply can supply enough stable power to all the components on the motherboard. Before connecting the power connector, first make sure the power supply is turned off and all devices are properly installed. The power connector possesses a foolproof design. Connect the power supply cable to the power connector in the correct orientation. The 12V power connector mainly supplies power to the CPU. If the 12V power connector is not connected, the computer will not start. 48 P12V_AUX1 Pin No. Definition 1 GND 2 GND 3 GND 15 4 GND 5 +12V 6 +12V 7 +12V 8 +12V ATX1 24 12 1 13 Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 Definition 3.3V 3.3V GND +5V GND +5V GND Power Good 5VSB (stand by +5V) +12V +12V 3.3V Pin No. 13 14 15 16 17 18 19 20 21 22 23 24 Definition 3.3V -12V GND PS_ON GND GND GND -5V +5V +5V +5V GND - 17 - Hardware Installation