I added a fully compatible nvOC image for the ASUS Z270-F GAMING Motherboard  



The SHA256 hash (for the zip) is:
ASUS Z270-F GAMING up to 9x cards with 2x m2_to_pcie_adapters (note all OC) Link

nvOC is for fast 16gb or larger USB keys see the OP for a link

This image includes plusCPU setting to enable cpuminer-opt to mine XMR while mining another COIN with the GPUs.

This image has the newest oneBash supporting these COIN selections:

ZEC   ZCL   FTC   LBC   MUSIC   ETC   EXP   ETH   DCR   PASC
DUAL_ETC_DCR       DUAL_ETC_PASC        DUAL_ETC_LBC         DUAL_ETC_SC
DUAL_EXP_DCR       DUAL_EXP_PASC        DUAL_EXP_LBC         DUAL_EXP_SC
DUAL_ETH_DCR       DUAL_ETH_PASC        DUAL_ETH_LBC        DUAL_ETH_SC
DUAL_MUSIC_DCR   DUAL_MUSIC_PASC    DUAL_MUSIC_LBC    DUAL_MUSIC_SC

cpuminer-opt is compiled several different CPUs in this image.  I built this image with a G4560 CPU.  

This motherboard requires the following bios changes before it will work correctly with nvOC:

ensure 'Above 4G Decoding' is enabled in the bios.

ensure PTP aware OS: is set to 'Not PTP Aware' in the bios.

ensure you 'Clear Secure Boot Keys' in the bios.  

Please note to use 9x cards you must use: 2x m2_to_pcie_adapters.