Motherboard Rear And Audio Connections; Rear I/O Connection - Asus X99-A II User Manual

2.3

Motherboard rear and audio connections

2.3.1

Rear I/O connection

Rear panel connectors
USB BIOS Flashback
1.
2. PS/2 keyboard/mouse port
3. Intel LAN port
®
4. USB 3.1 port EA2
5. USB 2.0 ports 78
6. USB 2.0 ports 910
* and **: Refer to the tables on the next page for LAN port LEDs and audio port definitions.
ASUS X99-A II
7. USB 3.0 ports E34 (Supports USB 3.0
Boost)
8. USB 3.0 ports E2_5 (Bottom port
supports USB BIOS Flashback)
9. USB 3.1 port EC1
(supports USB 3.1 Boost)
10. Optical S/PDIF Out port
11. Audio I/O ports**
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