Instruction Manual
2-30 ASUS P8Q77-M2
The following four items appear only when you set Launch CSM to [Enabled].
Boot Device Control [UEFI and Legacy OpRom]
Conguration option: [UEFI and Legacy OpRom] [Legacy OpRom only] [UEFI only]
Boot from Network Devices [Legacy OpRom rst]
Conguration option: [Legacy OpRom rst] [UEFI driver rst] [Ignore]
Boot from Storage Devices [Legacy OpRom rst]
Conguration option: [Both, Legacy OpRom rst] [Both, UEFI driver rst] [Legacy OpRom
rst] [UEFI driver rst] [Ignore]
Boot from PCIe/PCI Expansion Devices [Legacy OpRom rst]
Conguration option: [Legacy OpRom rst] [UEFI driver rst]
2.7.6 Option ROM Messages [Force BIOS]
[Force BIOS] The third-party ROM messages will be forced to display during the boot
sequence.
[Keep Current] The third-party ROM messages will be displayed only if the third-party
manufacturer had set the add-on device to do so.
2.7.7 Setup Mode [EZ Mode]
[Advanced Mode] Sets Advanced Mode as the default screen for entering the BIOS setup
program.
[EZ Mode] Sets EZ Mode as the default screen for entering the BIOS setup program.
2.7.8 Next boot after AC Power Loss [Normal Boot]
[Normal Boot] Returns to normal boot on the next boot after an AC power loss.
[Fast Boot] Accelerates the boot speed on the next boot after an AC power loss.
2.7.9 CSM Parameters
This option controls whether or not CSM (Compatibility Support Module) will be launched.
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 Windows Security Update and
Security Boot.