User Manual
PRIME X399-A BIOS Manual
47
The following item appears only when you set the Boot Logo Display to [Auto] and [Full
Screen].
Post Delay Time
This item allows you to select a desired additional POST waiting time to
easily enter the BIOS Setup. You can only execute the POST delay time
during normal boot.
Conguration options: [0 sec] - [10 sec]
This feature only works when set under normal boot.
The following item appears only when you set the Boot Logo Display to [Disabled].
Post Report
This item allows you to select a desired POST report waiting time.
Conguration options: [1 sec] - [10 sec] [Until Press ESC]
Boot up NumLock State
This item allows you to enable or disable power-on state of the NumLock.
Conguration options: [Disabled] [Enabled]
Wait For ‘F1’ If Error
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] The Option ROM Messages will be shown during the POST.
[Disabled] Only the ASUS logo will be shown during the POST.
Interrupt 19 Capture
[Enabled] Execute the trap right away.
[Disabled] Execute the trap during legacy boot.
Setup Mode
[Advanced Mode] This item allows you to go to Advanced Mode of the BIOS after POST.
[EZ Mode] This item allows you to go to EZ Mode of the BIOS after POST.
CSM (Compatibility Support Module)
This item 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
[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 non-UEFI driver add-on devices
or the Windows
®
UEFI mode.