Explanation of icon.
ATX Motherboard Auxiliary Connector
Function name:ATX Motherboard Auxiliary Connector

Auxiliary power connector for ATX motherboard provides +3.3V and +5V and has six pins.

Compatible with motherboards with ATX12V Version 2.0 or earlier specifications (Version 1.3).

The way of the pin assignment is as follows.

Pin. No
Output
1
COM
2
COM
3
COM
4
+3.3V
5
+3.3V
6
+5V