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Chapter 3: BIOS setup
Chapter 3
Wait For ‘F1’ If Error [Enabled]
This item allows your system to wait for the <F1> key to be pressed when error occurs.
Conguration options: [Disabled] [Enabled]
Option ROM Messages [Enabled]
[Enabled] The third-party ROM messages will be displayed during POST.
[Disabled] Disables the ROM messages and displays only the ASUS logo during
POST.
Interrupt 19 Capture [Disabled]
This item allows you to trap Interrupt 19 by the option ROMs. Conguration options:
[Disabled] [Enabled]
Above 4G Decoding [Disabled]
This item allows you to decode the 64-bit capable devices above 4G address space. Ensure
that your system supports 64-bit PCI decoding. Conguration options: [Disabled] [Enabled]
Setup Mode [EZ Mode]
[Advanced Mode] Allows you to go to Advanced Mode of the BIOS after POST.
[EZ Mode] Allows you to go to EZ Mode of the BIOS after POST.
CSM (Compatibility Support Module)
Allows you to congure the CSM (Compatibility Support Module) items to fully support the
various VGA, bootable devices and add-on devices for better compatibility.
Launch CSM [Enabled]
[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.
The following four items appear when you set Launch CSM to [Enabled].
Boot Device Control [UEFI and Legacy OpROM]
Allows you to select the type of devices that you want to boot. Conguration
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.
Conguration options: [Legacy OpROM rst] [UEFI driver rst] [Ignore]
Boot from Storage Devices [Legacy OpROM first]
Allows you to select the type of storage devices that you want to launch.
Conguration options: [Both, Legacy OpROM rst] [Both, UEFI rst]
[Legacy OpROM rst] [UEFI driver rst] [Ignore]
Boot from PCI-E/PCI Expansion Devices [Legacy OpROM first]
Allows you to select the type of PCIe/PCI expansion devices that you want
to launch. Conguration options: [Legacy OpROM rst] [UEFI driver rst]