Boot menu, 4 boot menu – Kontron MSM-LP Manual User Guide V106 User Manual

Page 66

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MSM-LP / BIOS Operation




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62

6.3.4 Boot Menu

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Feature

Options

Description

Setup Prompt Timeout

1

Number of seconds to wait for setup activation key.
65535 (0xFFFF) means indefinite waiting.

Bootup NumLock State

On
OFF

Select the keyboard NumLock state.

Quiet Boot

Disabled
Enabled

Enables or disables Quiet Boot option

Gate A20 Active

Upon Request
Always

UPON REQUEST – GA20 can be disabled using BIOS services.
ALWAYS – do not allow disabling GA20; this option is useful
when any RT code is executed above 1MB.

Oprion ROM Messages

Force BIOS
Keep Current

Set display mode for Option ROM

INT19 Trap Response

Immediate
Postponed

BIOS reaction on INT19 trapping by Option ROM:
IMMEDIATE – execute the trap right away;
POSTPONED - execute the trap during legacy boot.

CSM Support

Disabled
Enabled
Auto

Enable/Disable CSM Support. If Auto is selected, based on
OS, CSM will be enabled/disabled automatically.

Boot Option #1

UEFI: Built-in EFI Shell
Disabled

Sets the system boot order

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