Asus RAMPAGE III BLACK EDITION User Manual page 171

AP
To make your system an access point
Ensure you have switched to AP mode. Click the switch on the right, if not.
1.
2. Enter the SSID and security key for this access point.
Config
Allows you to change the AP settings, including, SSID and security key.
ASUS Rampage III Black Edition 4-23