Pcie/Pci/Pnp Configuration - Supermicro C7Z170-OCE User Manual

Chapter 4: AMI BIOS
Install Windows 7 USB Support
Enable this feature to use the USB keyboard and mouse during
the Windows 7 installation, since the native XHCI driver support is
unavailable. Use a SATA optical drive as a USB drive, and USB CD/
DVD drives are not supported. Disable this feature after the XHCI
driver has been installed in Windows. The options are Disabled and
Enabled.

PCIe/PCI/PnP Configuration

Option ROM execution
Video
This feature controls which option ROM to execute for the Video device.
The options are Do not Launch, UEFI, and Legacy.
Storage Option ROM/UEFI Driver
This feature controls which option ROM to execute for the storage
device. The options are Disabled, UEFI, and Legacy.
Above 4GB MMIO BIOS assignment
Select Enable for remapping of BIOS above 4GB. The options are
Enabled and Disabled.
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