AIMB-785 User Manual 52
Value to be programed into PCI Latency Timer Register.
VGA Palette Snoop
"Enable or Disable" VGA palette registers snooping.
3.2.2.15 CSM Configuration
Figure 3.30 CSM Configuration
Compatibility Support Module Configuration
– CSM Support
Enable/Disable CSM Support.
CSM16 Module Version
– 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 Message
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.
– Boot option filter
This option controls Legacy/UEFI ROMs Priority.
Option ROM execution
– Network
Controls the execution of Legacy PXE OpROM.
– Storage
Controls the execution of UEFI and Legacy Storage OpROM.
– Video
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