AXIOMTEK IMB700 User Manual page 47

IMB700 LGA4189 ATX Motherboard
⚫ CSM (Compatibility Support Module) Configuration
This screen displays CSM information.
CSM Support
Enabled / Disable CSM Support.
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.
Option ROM Messages
Set display mode for Option ROM.
INT19 Trap Response
BIOS reaction on INT19 trapping by Option ROM: IMMEDIATE - execute the trap right
away; POSTPONED - execute the trap during legacy boot.
HDD Connection Order
OS requires HDD handles to be adjusted, i.e., OS is installed on driver.
PCIe LAN IO Resource
The user can choose to disable or enable this function.
Boot option filter
This option controls Legacy/UEFI ROMs priority.
Network
Controls the execution of UEFI and Legacy Network OpROM.
Storage
Controls the execution of UEFI and Legacy Storage OpROM.
AMI BIOS Setup Utility 41