Asus P7P55D-E - Manual (Page 46)

2-28 Chapter 2: Hardware information
Chapter 2
2.8 Connectors
2.8.1 Rear panel connectors
Rear panel connectors
1. PS/2 mouse port (green) 7. Optical S/PDIF Out port
2. USB 2.0 ports 1 and 2 8. External SATA port
3. USB 2.0 ports 3 and 4 9. IEEE 1394a port
4. USB 2.0 ports 5 and 6 10. USB 3.0 ports 1 and 2
5. LAN (RJ-45) port* 11. Audio I/O ports**
6. PS/2 keyboard port (purple)
* Refer to the LAN port table on the next page.
** Refer to the audio port definitions table on the next page.