STEP 2: Update Gigabyte Z170X-UD5-TH BIOS to
F5 or greater
http://www.gigabyte.com/products/product-page.aspx?pid=5479&kw=GA-Z170X-UD5 TH1.0#bios
STEP 5: Download and install the latest
Thunderbolt Driver and Software (16.1.47.275)
http://www.gigabyte.com/products/product-page.aspx?pid=5479&kw=GA-Z170X-UD5 TH1.0#driver
STEP 4: Download and install
Thunderbolt FW Update Tool (B16.0818.1)
http://www.gigabyte.com/products/product-page.aspx?pid=5479&kw=GA-Z170X-UD5 TH1.0#utility
STEP 5: Navigate to
This PC > Local Disk > Program Files (x86) > GIGABYTE > FlashTBT > FlashTBT_100
STEP 6: Run
FlashTBT_100 Application
STEP 7: Shut down computer and unplug power cable for 30 seconds
At this point you can either boot Windows or OS X to test functionality of various adapters. As far as my Startech adapter and older Thunderbolt peripherals go, Thunderbolt 3 works, but like Thunderbolt 2, Thunderbolt 3 devices cannot hotswap. User must connect any adapters and devices at boot time in order for devices to mount.
Here are a few pics of the Apple Thunderbolt to Ethernet adapter and Thunderbolt to FireWire adapter functioning in OS X:
Thanks for checking out the build!