Biostar M7SXF M7SXF user's manual - Page 23
ATX 20-pin Power Connector: JATXPWR1, 1.6.3 ZTX 12V Power Connector: JATXPWR2, 1.6.4 AUX Power
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Page 23 highlights
Chapter 1 Motherboard Description 1.6.2 ATX 20-pin Power Connector: JATXPWR1 This connector supports the power button on-board. Using the ATX power supply, function such as Soft Power Off is supported on this motherboard. This power connector supports instant power-on functionality, which means that the system will boot up instantly when the power connector is inserted on the board. PIN Assignment PIN Assignment 1 +3.3V 11 +3.3V 2 +3.3V 12 -12V 3 Ground 13 Ground 4 +5V 14 PS_ON 5 Ground 15 Ground 6 +5V 16 Ground 7 Ground 17 Ground 8 PW_OK 18 -5V 9 +5V_SB 19 +5V 10 +12V 20 +5V 1.6.3 ATX 12V Power Connector: JATXPWR2 PIN Assignment PIN Assignment 1 +12V 3 Ground 2 +12V 4 Ground 1.6.4 AUX Power Connector: JAUXPWR1 PIN Assignment PIN Assignment 1 Ground 4 +3.3V 2 Ground 5 +3.3V 3 Ground 6 +5V 1-18