Asus X99-A Computer Hardware User Manual


 
2-12
Chapter 2: Basic installation
Chapter 2
2.3 Motherboard rear and audio connections
2.3.1 Rear I/O connection
Rear panel connectors
1.
Keyboard/Mouse combo port 6. USB 3.0 ports E56 (Support USB 3.0
Boost)
2. Intel
®
LAN port 7. USB 3.0 ports E34 (Supports USB 3.0
Boost)
3. USB BIOS Flashback 8. USB3.0portsE2_5(SupportsUSB
3.0 Boost)
4. USB 2.0 ports 78 (bottom port
supports USB BIOS Flashback)
9. Optical S/PDIF Out port
5. USB 2.0 ports 910 10. Audio I/O ports**
* and **: Refer to the tables on the next page for LAN port LEDs and audio port definitions.