Please try the following driver; this is for the USB 3.0.
Please send me the board AA number and let me know how this driver works.
I couldnt install it. It said this computer doesnt meet the minimum requirements.
OS Name Microsoft Windows 7 Professional
Version 6.1.7601 Service Pack 1 Build 7601
Other OS Description Not Available
OS Manufacturer Microsoft Corporation
System Manufacturer INTEL_
System Model DX79SI__
System Type x64-based PC
Processor Intel(R) Core(TM) i7-3930K CPU @ 3.20GHz, 3201 Mhz, 6 Core(s), 12 Logical Processor(s)
BIOS Version/Date Intel Corp. SIX7910J.86A.0650.2014.0307.0138, 3/7/2014
SMBIOS Version 2.6
Please try to uninstall the current driver from device manager and then try to Manually Install the driver, you can find the instruction in the following link.