MSI 990FXA GAMING - Back Panel Ports and Indicators Explained

Chapter 1
Back Panel Quick Guide
▶PS/2 Keyboard/ Mouse combo Port
The PS/2
®
keyboard/ mouse DIN connector for PS/2
®
keyboard/ mouse.
▶Optical S/PDIF-Out
This S/PDIF (Sony & Philips Digital Interconnect Format) connector is provided for
digital audio transmission to external speakers through an optical 󰘰ber cable.
▶USB 2.0 Port
The USB 2.0 port is for attaching USB 2.0 devices such as keyboard, mouse, or other
USB 2.0-compatible devices.
▶USB 3.1 Port
USB 3.1 port is backward-compatible with USB 3.0/ 2.0 devices. It supports data
transfer rate up to 10 Gb/s (SuperSpeed USB 10 Gbps).
Important
In order to use USB 3.0/ 3.1 devices, you must connect to a USB 3.0/ 3.1 port. If a
USB cable is used, it must be USB 3.0/ 3.1 compliant.
▶LAN Port
The standard RJ-45 LAN jack is for connecting to a Local Area Network (LAN).
LINK/ACT
LED
SPEED
LED
LED LED Status Description
Link/ Activity LED
O󰘯 No link
Yellow Linked
Blinking Data activity
Speed LED
O󰘯 10 Mbps connection
Green 100 Mbps connection
Orange 1 Gbps connection
Line-In
Line-Out
Mic
USB 2.0 Port
LAN Port
PS/2 Keyboard/
Mouse combo Port
USB 2.0 Port
USB 3.1 Port
RS-Out
CS-Out
SS-Out
Optical
S/PDIF-Out
USB 2.0 Port USB 2.0 Port