User`s manual

• Gate A20 Option

Refers to the way the system addresses memory above 1 MB (extended memory). When set to Fast, the

system chipset controls Gate A20. When set to Normal, a pin in the keyboard controller controls Gate A20.

Setting Gate A20 to Fast improves system speed, particularly with OS/2 and Windows.

• Typematic Rate Setting

When Enabled, you can select a typematic rate and typematic delay.

• Security Option

If you have set a password, select whether the password is required every time the System boots, or only

when you enter Setup.

• APIC Mode

The Advanced Programmable Interrupt Controller (APIC) prioritizes interrupts.

• MPS Version Control For OS

Allows the operating system to work with multiple CPUs. Select “1.1” for compatibility with older OS.