User Guide
Page 131
... install Sound Blaster X-Fi: 1. Click the Drivers tab and click VIA Audio Driver. 3. Click Help in each utility control panel to launch the Mixer control panel. You need to install VIA Audio Driver to go ROG Crosshair IV Formula 4-9 to use Sound Blaster X-Fi audio utility. Click Main Display to enjoy excellent audio quality and experience realistic sound effects through...
... install Sound Blaster X-Fi: 1. Click the Drivers tab and click VIA Audio Driver. 3. Click Help in each utility control panel to launch the Mixer control panel. You need to install VIA Audio Driver to go ROG Crosshair IV Formula 4-9 to use Sound Blaster X-Fi audio utility. Click Main Display to enjoy excellent audio quality and experience realistic sound effects through...