ASROCK B450 Steel Legend User Manual page 27

B450 Steel Legend
5
4-pin FAN cable
6
USB 2.0 Header
Please note that this connector is the interface to the LED control board on the SR3, it requires the AMD
utility "SR3 Settings Software" to control the LED.
*The diagrams shown here are for reference only. The headers might be in a different position on your
motherboard. Please refer to page 28 for the orientation of USB Header.
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