Gatea20 Active; Interrupt 19 Capture; Hard Drive Bbs Priorities - Biostar A55MLC Manual

A55MLV & A55MLC UEFI BIOS Manual

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
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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