NEXCOM NSA 1150 User Manual

Page 54

NSA 1150 User Manual

Chapter 4: BIOS Setup

Option ROM Messages
This field is used to set display mode for Option ROM. The options are Force
BIOS and Keep Current.

INT19 Trap Response
Allows Option ROMs to trap Interrupt 19 when enabled.

Immediate

Execute the trap right away.

Postponed

Execute the trap during legacy boot.

Boot Option Filter
Configures which drives the system can boot from.

Network
Enables or disables the boot option for legacy network devices.

Storage
Enables or disables the boot option for legacy storage devices.

Video
Enables or disables the boot option for legacy video devices.

Other PCI Devices
Enables or disables the boot option for legacy PCI devices.

CSM Configuration

This section is used to configure the compatibility support module features.

Advanced

→←: Select Screen
↑↓: Select Item
Enter: Select
+/-: Change Opt.
F1: General Help
F2: Previous Values
F3: Optimized Defaults
F4: Save & Exit
ESC: Exit

Enable/Disable CSM Support.

Compatibility Support Module Configuration

CSM Support

CSM16 Module Version

GateA20 Active

Option ROM Messages

INT19 Trap Response

Boot option filter

Option ROM execution

Network

Storage

Video

Other PCI devices

[Enabled]

07.71

[Upon Request]

[Force BIOS]

[Immediate]

[UEFI and Legacy]

[Do not launch]

[Legacy]

[UEFI]

CSM Support
This field is used to enable or disable CSM support, if Auto option is selected,
based on OS, CSM will be enabled or disabled automatically.

GateA20 Active
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.