>is the 6+8 pin PCIe power cable connected to the GPU, assuming it requires both 6+8 pin connectors<<
I'm using 2+6+8 pin cable.
> Do you have the latest BIOS installed on your system ?<<
Not as yet. I have not got to the point where I install Windows 10 Pro 64bit.
>Does your Motherboard support onboard graphics/iGPU ?<<
Yes. Rampage V Edition 10
>what's the make of your PSU ?<<
Corsair HX850i
>blank screen on the Monitors ?<< Yes Blank Screen.
Also, motherboard stops at code "AA"
My System
Rampage V Edition 10 - LGA 2011-v3 Socket
Intel i7 XC-Series Processor (Intel i7-6950x Extreme Edition Processor)
Chipset: Intel X99
Memory: g.Skill TridentZ DDR4-3333 CL16-18-38, 1.35V F4-3333C16Q2-128GTZKW
Samsung M.2: V-NAMD SSD 512gb
Power Supply: Corsair HX860i
DVD: Asus BW-16D1HT/BLK/G/AS
Note: Hard Drives are not connected yet.
Seagate 1-12TB BarraCuda Pro
Seagate 2-4TB BarraCuda Pro
Seagate 2-6TB BarraCuda Pro
Asus Monitors: 32 Inch, 29 Inch, 29 Inch
Thank you for your help.
Bob