H77MU3 UEFI BIOS Manual
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4 Boot Menu
This menu allows you to setup the s ys tem boo t options.
Setup Prompt Timeout
This item s ets number of seconds to wait for setup activation key.
Options: 2 (Default)
Bootup NumLock State
This item s elec ts the keyboard NumLock state.
Options: On (Default) / Off
Full Screen LOGO Display
This item allows you to enable/disable Full Screen LOGO Show function.
Options: Enabled (Default) / Disabled
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
Options: Upon Request (Default) / Always