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ASUS M5A99FX PRO R2.0
3-31
Chapter 3
Boot Option Priorities
These items specify the boot device priority sequence from the available devices. The
number of device items that appears on the screen depends on the number of devices
installed in the system.
• To access Windows OS in Safe Mode, do any of the following:
• Press <F5> when ASUS Logo appears.
• Press <F8> after POST.
• To select the boot device during system startup, press <F8> when ASUS Logo
appears.
Boot Override
These items display the available devices. The number of device items that appears on
the screen depends on the number of devices installed in the system. Click an item to start
booting from the selected device.
CSM Parameters
This option controls whether or not CSM will be launched.
Launch CSM [Always]
Conguration option: [Auto] [Always] [Never]
Boot option filter [UEFI and L...]
Conguration option: [UEFI and Legacy] [Legacy only] [UEFI only]
Launch PXE OpROM policy [DO NOT launch]
Conguration option: [DO NOT launch] [UEFI only] [Legacy only] [Legacy rst] [UEFI
rst]
Launch Storage OpROM policy [Legacy only]
Conguration option: [DO NOT launch] [UEFI only] [Legacy only] [Legacy rst] [UEFI
rst]
Launch Video OpROM policy [Legacy only]
Conguration option: [DO NOT launch] [UEFI only] [Legacy only] [Legacy rst] [UEFI
rst]
Other PCI device ROM priority [UEFI OpROM]
Conguration option: [UEFI OpROM] [Legacy OpROM]