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Chapter 5: BIOS Setup Utility
5.3.2.10 CSM Configuration
BIOS Setting
Description
Setting Option
Effect
CSM Support
The Compatibility Support Module
(CSM) is a component of the UEFI
firmware that provides legacy BIOS
compatibility by emulating a BIOS
environment, allowing legacy
operating systems and some option
ROMs that do not support UEFI to
still be used.
Enabled/
Disabled
Enable or disable
the Compatibility
Support Module
GetaA20
Active
Activate GetaA20
Upon Request
Enable or disable
this function
Option ROM
Messages
Receiving ROM Messages Settings
Force BIOS
Set ROM messages
parameters
Network
Specifies which Network option ROM
is booted
UEFI
Only UEFI option
ROMs are booted
Legacy
Storage
Specifies which Storage option ROM
is booted
UEFI
Only UEFI option
ROMs are booted
Legacy
Only Legacy option
ROMs are booted
Video
Specifies which Video option ROM is
booted
UEFI
Only UEFI option
ROMs are booted
Legacy
Only Legacy option
ROMs are booted
Other PCI
Devices
Specifies which option ROM is
booted for devices other than the
network, storage or video
UEFI
Only UEFI option
ROMs are booted
Legacy
Only Legacy option
ROMs are booted
Summary of Contents for R15IB3S-65EX
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