MSI 990FXA GAMING - JCOM1: Serial Port Connector; JAUD1: Front Panel Audio Connector; JSP1: S;PDIF-Out Connector

Chapter 1
JCOM1: Serial Port Connector
This connector is a 16550A high speed communication port that sends/receives 16
bytes FIFOs. You can attach a serial device.
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JAUD1: Front Panel Audio Connector
This connector allows you to connect the front audio panel located on your computer
case.
1.MIC L
3.MIC R
10.Head
Phone Detection
5.Head Phone
R
7.SENSE_SEN
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9.Head Phone
L
8.No Pin
6.MIC Detection
4.NC
2
.Ground
JSP1: S/PDIF-Out Connector
This connector is used to connect S/PDIF (Sony & Philips Digital Interconnect Format)
interface for digital audio transmission.
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