MSI X99S XPOWER AC Manual - Manual (Page 24)

Chapter 1
1-10 Getting Started
Back Panel Quick Guide
▶PS/2 Port
A PS/2 ® DIN connector is for a PS/2 ® mouse/keyboard.
▶Clear CMOS Button
There is CMOS RAM present on board that is powered by an external battery to store
system configuration data. Using CMOS RAM, the system can automatically boot into
the operating system (OS) every time it is turned on. If you wish to clear the system
configuration, press the button to clear the data.
▶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 3.0 Port
USB 3.0 port is backward-compatible with USB 2.0 devices. It supports data transfer
rate up to 5 Gbit/s (SuperSpeed).
Important
In order to use USB 3.0 devices, you must connect to a USB 3.0 port. If a USB cable
is used, it must be USB 3.0 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
Off No link
Yellow Linked
Blinking Data activity
Speed LED
Off 10 Mbps connection
Green 100 Mbps connection
Orange 1 Gbps connection
▶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 fiber cable.
USB 3.0 Port
Clear CMOS
Button LAN Port
PS/2 Port
USB 2.0 Port
Optical
S/PDIF-Out
Line-In/ SS-Out
Line-Out RS-Out
CS-Out
MIC