Z87-K User's Manual
Page 66
[Disabled] Disable the CSM to select your installed operating system. [Windows UEFI mode] Executes the Microsoft® Secure Boot check. Configuration options: [Both, Legacy OpROM first] [Both, UEFI first] [Legacy OpROM first] [UEFI driver first] [Ignore] Boot from Network Devices [Legacy OpROM first] ...devices that you to fully support the Windows® Security Update and Security Boot. This item allows you want to launch. ASUS Z87-K 2-39 Configuration options: [UEFI and Legacy OpROM] [Legacy OpROM only] [UEFI only] Boot from PCIe/PCI Expansion Devices [Legacy OpROM first] ...
[Disabled] Disable the CSM to select your installed operating system. [Windows UEFI mode] Executes the Microsoft® Secure Boot check. Configuration options: [Both, Legacy OpROM first] [Both, UEFI first] [Legacy OpROM first] [UEFI driver first] [Ignore] Boot from Network Devices [Legacy OpROM first] ...devices that you to fully support the Windows® Security Update and Security Boot. This item allows you want to launch. ASUS Z87-K 2-39 Configuration options: [UEFI and Legacy OpROM] [Legacy OpROM only] [UEFI only] Boot from PCIe/PCI Expansion Devices [Legacy OpROM first] ...