MSI H510TI-S09 - PWR1: Power Connector; JHDDPWR1: SATA Power Connector; JCOM1: Serial Port Connector; JAMP1: Audio Amplifier Pinheader

15
 
1
1 AMP_L- 2 AMP_L+
3 AMP_R+ 4 AMP_R-

This connector is used to provide power to the motherboard.

This connector is used to provide power to SATA devices.

The JAMP1 is used to enhance audio performance by connecting audio amplifiers.
4
1
2
3
PWR1
1 Ground 2 Ground
3 +12V 4 +12V
1
1 VCC5 2 Ground
3 Ground 4 +12V
1
2 10
9
1 DCD 2 SIN
3 SOUT 4 DTR
5 Ground 6 DSR
7 RTS 8 CTS
9 RI 10 No Pin

This connector allows you to connect the optional serial port with bracket.