ASROCK Fatal1ty B450 Manual Del Usuario página 30

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 RGB". 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 32 for the orientation of AMD LED Fan
USB Header (USB_5).
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