Gatea20 Active; Interrupt 19 Capture; Bios Flash Protection; Hard Drive Bbs Priorities - Biostar TA75 Bios Manual

TA75 UEFI BIOS Manual
Fast Boot
This item enables or disables boot with initialization of a minimal set of devices
required to launch active boot option. Has no effect for BBS boot options.
Options: Disabled (Default) / Enabled

GateA20 Active

Upon Request – FA20 can be disabled using BIOS services. Always – do not allow
disabling GA20; this option is useful when any RT code is executed above 1MB
Options: Upon Request (Default) / Always
Option ROM Messages
This item sets the display mode for option ROM.
Options: Force BIOS (Default) / Keep Current

Interrupt 19 Capture

Interrupt 19 is the software interrupt that handles the boot disk function. When set
to Enabled, this item allows the option ROMs to trap interrupt 19.
Options: Disabled (Default) / Enabled

BIOS Flash protection

While enabled, it can't flash write and flash erase by SMI.
Options: Enabled (Default) / Disabled
Boot Option #1/#2/#3
The 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.
CD/DVD ROM Drive BBS Priorities
This item sets the order of the legacy devices in this group.

Hard Drive BBS Priorities

This item sets the order of the legacy devices in this group.
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