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ASUS SABERTOOTH 990FX/GEN3 R2.0
2-13
Chapter 2
2.3 Motherboard rear and audio connections
2.3.1 Rear I/O connection
* and **: Refer to the tables on the next page for LAN port LEDs, and audio port denitions.
Rear panel connectors
1. PS/2 Combo port 7. USB 2.0 ports 3, 4, 5, and 6
2. USB 3.0 ports 1 and 2 8. USB 3.0 ports 3 and 4
3. LAN (RJ-45) port* 9. USB BIOS Flashback button
4. USB 2.0 ports 7 and 8 10. USB 2.0 ports 1 and 2
5. Optical S/PDIF Out port 11. Audio I/O ports**
6. External SATA ports