User Manual

Table Of Contents

ASUS WS470T

4-23

4.4.13 CSM Conguration

CSM Support [Enabled]

This option allows you to enable or disable CSM Support.

Congurationoptions:[Disabled][Enabled]

The following items appear only when you set the CSM Support to [Enabled].

GateA20 Active [Upon Request]

This allows you to set the GA20 option.

[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 [Force BIOS]

This allows you to set the display mode for option ROM.

Congurationoptions:[ForceBIOS][KeepCurrent]

INT19 Trap Response [Immediate]

This option allows you to control the BIOS reaction on INT19 trapping by Option ROM.

[Immediate] Executethetraprightaway.

[Postponed] Executethetrapduringlegacyboot.

[Auto] Allowthesystemtodetermineautomatically.

HDD Connection Order [Adjust]

This option allows you to select the HDD Connection Order. Some OS require HDD

handles to be adjusted.

Congurationoptions:[Adjust][Keep]

Boot Option filter [Legacy only]

ThisoptionallowsyoutocontroltheLegacy/UEFIROMspriority.

Congurationoptions:[UEFIandLegacy][Legacyonly][UEFIonly]