2-16
System Utilities
Table 2-14. BIOS Boot Tab Parameters (Windows 10)
Item Name
Example
Remark
Boot Mode
[UEFI] / [Legacy]
• Default Boot Mode: BIOS need to check OS type for
this default setting. Win7 default: [Legacy]/Other
OS(including Win8) default: [UEFI].
• When [Legacy] Boot Mode has been set, Secure Boot
will be disabled, Items related to Secure Boot feature
in Boot Menu and Security Menu will be hidden.
Firmware will be able to load CSM module during
boot.
• When Boot Mode changed, a confirmation message
that confirm with user's decision and info user the
boot device list won't be refresh to different boot mode
until next BIOS Setup Utility entry and the change of
Boot Mode will not take effect until next boot.
• After user flash BIOS or load Setup Defaults, Boot
Mode should return to factory default value.
Secure Boot
[Enabled] / [Disabled]
• When default Boot Mode is [UEFI], default Secure
Boot status is [Enabled] and CSM module can't be
loaded during boot.
• If user sets Secure Boot to [Disabled], firmware will
bypass secure boot verification.
• The Secure Boot status is only available on [UEFI]
Boot Mode but hid under [Legacy] Boot Mode.
• In [UEFI] Boot Mode, Secure Boot status is default
gray out and could only be modified by following
actions:
1.Supervisor password had been set.
• When BIOS "Load Setup Defaults" is executed, if
default Boot Mode is [UEFI], Secure Boot will reset to
[Enabled], on the contrary, if default Boot Mode is
[Legacy], Secure Boot will be disable and hid in Boot
Menu.
• When user change Boot mode from [Legacy] to
[UEFI], Secure Boot will be set to [Enabled] and
shown on Boot Menu.
Boot Priority
Order
• When Boot Mode changed, the Boot Priority Order
won't be refreshed until next BIOS Setup Utility entry.
• When Boot Mode is [UEFI] or [Legacy] (UEFI+CSM)
and users enable Windows To GO Startup Options
under OS, an USB class boot entry name "USB Entry
for Windows To GO" will be inserted into the top of the
Boot Priority Order and Boot Option Menu.
• If "USB Entry for Windows To Go" present, and BIOS
"Load Setup Defaults" is executed, "USB Entry for
Windows To Go" will be set to 1st Boot Device in Boot
Priority Order.
• If eMMc plus HDD exist in the same time, eMMc is
the default boot device.
