MSI B550 GAMING GEN3 AM4 ATX Motherboard - Manual (Page 32)

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JFP1, JFP2: Front Panel Connectors
The JFP1 connector controls the power on, power reset, and the LEDs on your PC
case/ chassis. Power Switch/ Reset Switch headers allow you to connect power
button/ reset button. Power LED header connects to LED light on the PC case, and
HDD LED header indicates the activity of the hard disk. The JFP2 connector is for
Buzzer and Speaker. To connect the cables from PC case to the right pins, please
refer to the following images below.
1
2 10
9
Power LED
Reserved
Power Switch
JFP1
Reset Switch HDD LED
1 JFP2
Buzzer
Speaker
⚠
Important
Please note that Power LED and HDD LED have positive and negative connection,
you need to link up the cable to the corresponding positive and negative port on the
motherboard. Otherwise, LEDs won’t work properly.
JAUD1: Front Audio Connector
This connector allows you to connect audio jacks on the front panel.
1
2 10
9
Pin Signal Name Pin Signal Name
1 MIC L 2 Ground
3 MIC R 4 NC
5 Head Phone R 6 MIC Detection
7 SENSE_SEND 8 No Pin
9 Head Phone L 10 Head Phone Detection