C&T PC400 Series - CSM Configuration

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PC400 / PC410 l User’s Manual

4.3.11 CSM Configuration

■ CSM Support

This item allows users to enable or disable for “CSM Support”.

■ GateA20 Active

This item allows users to set Upon Request or Always for "GateA20 Active“.

■ Option ROM Messages

This item allows users to set Force BIOS or Keep Current for “Option ROM Messages”.

■ INT19 Trap Response

This item allows users to set the BIOS reaction to INT19 trapping by Option ROM:

“Immediate” - execute the trap right away;

“postponed” - execute the trap during legacy boot.

■ Boot option filter

This item allows users to select which type of operating system to boot by option:

“UEFI and Legacy” - allows booting from operating systems that support legacy option ROM

or UEFI option ROM;

“Legacy only” - allows booting from operating systems that only support legacy option ROM;

“UEFI only” - allows booting from operating systems that only support UEFI option ROM.

This item is configurable only when CSM Support is set to Enabled.

■ PXE Function

This item allows users to enable or disable PXE function.

■ Storage

This item allows users to set Do not launch or UEFI or Legacy for “Storage”.

■ Video

This item allows users to set Do not launch or UEFI or Legacy for “Video”.

■ Other PCI devices

This item allows users to set Do not launch or UEFI or Legacy for “Other PCI devices”.

Chapter 4: BIOS Setup