4. Boot Menu | 23
A68N-2100E / A68N-2100K / A68N-2100X / A68N-5600E
USB Support
If Disabled, all USB devices will NOT be available until after OS boot. If Partial Initial, USB Mass
Storage and specific USB port/device will NOT be available before OS boot. If Enabled, all USB
devices will be available in OS and Post.
Options: Full Initial (Default) / Disabled / Partial Initial
PS2 Devices Support
If Disabled, PS2 devices will be skipped.
Options: Enabled (Default) / Disabled
Network Stack Driver Support
If Disabled, Network Stack Drivers will be skipped.
Options: Disabled (Default) / Enabled
Boot Flash protection
While enabled, it can't flash write and flash erase by SMI.
Options: Disabled (Default) / Enabled
Boot Success Beep
This item BIOS boot post beep message.
Options: Enabled (Default) / Disabled
CSM16 Parameters
GateA20 Active
UPON REQUEST - GA20 can be disabled using BIOS services. ALWAYS - do not allow disabling
GA20; this option in useful when any RT code is executed above 1MB.
Options: Upon Request (Default) / Always
Option ROM Messages
This item allows you to set display mode for Option ROM.
Options: Disabled (Default) / Enabled