Gigabyte GA-H81TN User Manual page 23

17) ATX_19V (2 Pin Power Connector)
This power connector is for the integrated 19V chassis power supply.
18) MON_SW (Flat panel display switch header)
This header allows you to connect an on/off switch for the display.
Pin No.
1 GND
2 1
2 +19V
Pin No.
1 Mon_SW
1
2 GND
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