Back Panel - MSI 990XA-GD55 series User Manual

MS-7640 Manboard

Back Panel

Mouse/
Coaxal
Keyboard
S/PDIF-Out
Clear
CMOS
Button
Optcal
S/PDIF-Out
▶ Mouse/ Keyboard
The standard PS/2
▶ Clear CMOS Button
There s a CMOS RAM on board that has a power supply from external battery to keep
the system configuraton data. Wth the CMOS RAM, the system can automatcally
boot OS every tme t s turned on. If you want to clear the system configuraton, use
the button to clear data. Press the button to clear the data.
Important
• Make sure that you power off the system before clearng CMOS data.
• After pressng ths button to clear CMOS data n power off (G3) state, the system wll
boot automatcally.
▶ Coaxal S/PDIF-Out
Ths SPDIF (Sony & Phlps Dgtal Interconnect Format) connector s provded for dgtal
audo transmsson to external speakers through a coaxal cable.
▶ Optcal S/PDIF-Out
Ths SPDIF (Sony & Phlps Dgtal Interconnect Format) connector s provded for dgtal
audo transmsson to external speakers through an optcal fiber cable.
▶ USB 2.0 Port
The USB (Unversal Seral Bus) port s for attachng USB devces such as keyboard,
mouse, or other USB-compatble devces. Supports data transfer rate up to 480Mbt/s
(H-Speed).
En-12
USB 2.0 Port
mouse/keyboard DIN connector s for a PS/2
®
LAN
Lne-In
Lne-Out
USB 3.0 Port
mouse/keyboard.
®
RS-Out
CS-Out
SS-Out
Mc