2.3
Motherboard rear and audio connections
2.3.1
Rear I/O connection
Rear panel connectors
1. PS/2 mouse port
2. USB 3.0 ports 1 and 2
3. USB 2.0 3 and 4
4. LAN (RJ-45) port
5. PS/2 keyboard port
6. Optical S/PDIF Out port
*: Refer to the tables on the next page for LAN port LEDs, and audio port definitions.
ASUS M5A99FX PRO R2.0
7. USB 2.0 ports 1 and 2
8. External SATA port
9. USB 2.0 ports 5 and 6
10. USB 2.0 ports 7 and 8
11. Audio I/O ports*
2-15