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Performance acceleration technology
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<p>The Intel Performance Acceleration Technology (PAT) is technology built onto Intel i875 Canterwood <a href="/facts/Mainboard/GXB10heG">mainboards</a> and other Pentium 4 based <a href="/facts/Motherboard/GXB10heG">motherboards</a> that based on the Intel D875PBZ reference board. Performance Acceleration Technology delivers additional system-level performance by optimizing memory access between <a href="/facts/Central_processing_unit/Jxp1bqMV">CPU</a> and system memory, allowing increased performance to be exhibited at standard operating specification. </p><p>There are three types of Performance Mode: Disabled, Partially enabled, and fully Enabled. There may be <a href="/facts/BIOS/AYYPUogS">BIOS</a> settings that affect this parameter. The PAT status is reported by some versions of <a href="/facts/Memtest86/E7vyePo5">Memtest86</a> and <a href="/facts/CPU-Z/vmpfFkJl">CPU-Z</a>, and at boot time by Dell motherboards. </p><p><a href="/facts/Asus/134Qobfp">Asus</a> managed to turn this same feature on, on their 865PE chipset based boards but called it "Memory Acceleration Mode" (MAM) to avoid infringement issues. </p> <ul><li><a href="http://www.intel.com/content/www/us/en/chipsets/875p-chipset-datasheet.html">"Datasheet: Intel 875P Chipset"</a>. <a href="/facts/Intel/SMF0gJJX">Intel</a>. February 2004.</li> <li>Shimpi, Anand (14 April 2003). <a href="http://www.anandtech.com/show/1094/4">"Intel 875P (Canterwood) Chipset - The New Flagship"</a>. <i><a href="/facts/AnandTech/as9JU8ER">AnandTech</a></i>. p. 4.</li></ul>