User Manual

ASUS ROG STRIX X570-E GAMING
3-19
Chapter 3
Boot from PCI-E/PCI Expansion Devices [Legacy only]
This item allows you to select the type of PCI-E/PCI expansion devices
that you want to launch. Conguration options: [Ignore] [Legacy only] [UEFI
only]
Secure Boot
This item allows you to congure the Windows
®
Secure Boot settings and manage its keys to
protect the system from unauthorized access and malwares during POST.
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, press <F8> after POST.
• To select the boot device during system startup, press <F8> when the ASUS Logo
appears.
Boot Override
These items displays 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.
3.9 Tool menu
The Tool menu items allow you to congure options for special functions. Select an item then
press <Enter> to display the submenu.
3.9.1 ASUS EZ Flash 3 Utility
This item allows you to run ASUS EZ Flash 3. When you press <Enter>, a conrmation
message appears. Use the left/right arrow key to select between [Yes] or [No], then press
<Enter> to conrm your choice.
For more details, refer to section 3.11.2 ASUS EZ Flash 3.
3.9.2 ASUS Secure Erase
SSD speeds may lower over time as with any storage medium due to data processing.
Secure Erase completely and safely cleans your SSD, restoring it to factory performance
levels.
To launch ASUS Secure Erase, click Tool > ASUS Secure Erase on the Advanced mode
menu.