Asus STRIX X99 - Motherboard Rear and Audio Connections; Rear I;O Connection

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Chapter 2: Basic Installation
Chapter 2
2.3 Motherboard rear and audio connections
2.3.1 Rear I/O connection
Rear panel connectors
1.
USB BIOS Flashback button 7. USB 3.0 ports E34
2. Keyboard/Mouse combo port 8. USB3.0portsE2_5(Bottomport
supports USB BIOS Flashback)
3. Intel
®
LAN port* 9. USB 3.1 Type-C port EC1
4. USB 3.1 Type-A port EA2 10. Wi-Fi802.11a/b/g/n/ac,
Bluetooth V4.0*
5. USB2.0ports78 11. Optical S/PDIF Out port
6. USB 2.0 ports 910 12. Audio I/O ports**
* and **: Refer to the tables on the next page for LAN port LEDs and audio port definitions.