User`s manual

3.5.1 CPU Configuration Setting

You can use this screen to select options for the CPU Configuration Settings. Use the up and down

<Arrow> keys to select an item. Use the <Plus> and <Minus> keys to change the value of the selected

option. A description of the selected item appears on the right side of the screen. The settings are

described on the following pages.

Hardware Prefetcher

Hardware Prefetcher is a technique that fetches instructions and/or data from mem-

ory into the CPU cache memory well before the CPU needs it, so that it can improve

the load-to-use latency. You may choose to enable or disable it.

MPS and ACPI MADT ordering

MADT refers to Multiple APIC Description Table.

Intel® Virtualization Tech

Intel Virtualization Technology (Intel VT) is a set of hardware enhancements to Intel

server and client platforms that provide software-based virtualization solutions. Intel

VT allows a platform to run multiple operating systems and applications in indepen-

dent partitions, allowing one computer system to function as multiple virtual systems.

Execute-Disable Bit Capability

This item allows you to enable or disable the No-Execution page protection technology.

A20M

This makes legacy OS compatible with some APs.