Biostar

GAMING Z170X's debug LED does not support temperature showing function in OS.

GMAING Z170X will only support AMD 3way CroffFireX function. It does not support nVidia SLI function. 

Yes, there will be no problem for A68I-350 DELUXE R2.0 support 3TB or 4TB hard drive.

Yes, Gaming Z97X will support i7-4790K CPU with it's full function.

Due to specification limitation, VN7303THX1 VGA card will only support 2 display at same time.

There is no problem for G31D-M7 to use Intel E7000 series CPU to install Windows 10 Pro 32 or 64 bit OS.

First, to use Touch OC, it will need to install Touch OC utility from our driver CD. After boot to OS, run the Touch OC utility, then go to Power Management setting to set to High Performance for the system. Touch OC panel should work properly.