ASROCK B450M/ac R2.0 User Manual page 29

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7
Please note that only one cable should be used at a time in this step.
If you select AMD_FAN_LED1, please install ASRock utility "ASRock Polychrome SYNC".
If you select USB connector, please install AMD utility "SR3 Settings Software".
*The diagram shown here are for reference only. Please refer to page 34 for the orientation of AMD Fan
LED Header (AMD_FAN_LED1) and page 30 for the orientation of AMD LED Fan USB Header (USB_7).
+12V
or
B450M/ac R2.0
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