Asus Z87-C Z87-C User's Manual - Page 87

Launch CSM [Auto] [Auto] The system automatically detects the bootable devices and the add-on devices. [Enabled] For better compatibility, enable the CSM to fully support the non-UEFI driver add-on devices or the Windows® UEFI mode. [Disabled] Disable the CSM to fully support the non-UEFI driver add-on devices or the Windows® UEFI mode. The following items appear only when you set the Launch CSM to [Enabled]. Boot Devices Control [UEFI and Legacy OpROM] Allows you to select the type of devices that you want to boot. Configuration options: [UEFI and Legacy OpROM] [Legacy OpROM only] [UEFI only] Boot from Network Devices [Legacy OpROM first] Allows you to select the type of network devices that you want to launch. Configuration options: [Legacy OpROM first] [UEFI driver first] [Ignore] Boot from Storage Devices [Legacy OpROM first] Allows you to select the type of storage devices that you want to launch. Configuration options: [Both, Legacy OpROM first] [Both, UEFI first] [Legacy OpROM first] [UEFI driver first] [Ignore] Boot from PCIe/PCI Expansion Devices [Legacy OpROM first] Allows you to select the type of PCIe/PCI expansion devices that you want to launch. Configuration options: [Legacy OpROM first] [UEFI driver first] 2.8.11 Secure Boot Allows you to configure the Windows® Secure Boot settings and manage its keys to protect the system from unauthorized access and malwares during POST. OS Type [Windows UEFI mode] [Windows UEFI Mode] [Other OS] Allows you to select your installed operating system. Execute the Microsoft® Secure Boot check. Only select this option when booting on Windows® UEFI mode or other Microsoft® Secure Boot compliant OS. Get the optimized function when booting on Windows® non-UEFI mode, Windows® Vista/ Windows® XP, or other Microsoft® Secure Boot non compliant OS. Microsoft® Secure Boot only supports Windows® UEFI mode. Chapter 2: BIOS information 2-41