Asus P9A-I Series User Manual page 65

CSM Support [Enabled]
Enables or disables the CSM support. Configuration options: [Disabled] [Enabled]
The following items appear only when CSM Support is set to [Enabled].
GateA20 Active [Upon Request]
This item is useful when any RT code is execute above 1MB. When set to [Upon Request],
the GA20 can be disabled using BIOS services. When set to [Always], disabling of GA20 is
not allowed. Configuration options: [Upon Request] [Always]
Option ROM Messages [Force BIOS]
Allows you to set the display mode for Option ROM. Configuration options: [Force BIOS] [Keep
Current]
INT19 Trap Response [Immediate]
[Immediate] Execute the trap right away.
[Postponed] Execute the trap during legacy boot.
Boot option filter [Legacy only]
Allows you to select the type of devices that you want to boot up. Configuration options: [UEFI
and Legacy] [Legacy only] [UEFI only]
Network [Legacy]
Allows you to select the type of network devices that you want to launch. Configuration options:
[Do not launch] [UEFI] [Legacy]
Storage [Legacy]
Allows you to select the type of storage devices that you want to launch. Configuration options:
[Do not launch] [UEFI] [Legacy]
Video [Legacy]
Allows you to select the type of video devices that you want to launch. Configuration options:
[Do not launch] [UEFI] [Legacy]
Other PCI devices [Legacy]
Allows you to select the type of other PCI devices that you want to launch. Configuration options:
[UEFI] [Legacy]
ASUS P9A-I Series
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