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3 Advanced BIOS Features
Figure 3. Advanced BIOS Setup
Virus Warning
This option allows you to choose the Virus Warning feature that is used to protect the IDE
Hard Disk boot sector. If this function is enabled and an attempt is made to write to the
boot sector, BIOS will display a warning message on the screen and sound an alarm beep.
Disabled (default)
Enabled
Quick Power On Self Test
Enabling this option will cause an abridged version of the Power On Self-Test (POST) to
execute after you power up the computer.
Enabled (default)
Disabled
Boot Up NumLock Status
Selects the NumLock. State after power on.
On (default)
Off
Gate A20 Option
Select if chipset or keyboard controller should control Gate A20.
Normal
Fast (default)
NF4ST-A9
Virus protection is disabled.
Virus protection is activated.
Enable quick POST.
Normal POST.
Numpad is number keys.
Numpad is arrow keys.
A pin in the keyboard controller
controls Gate A20.
Lets chipset control Gate A20.
9
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