Performance Tuning Guide

Intel

Desktop Board DP55KG and Intel

Desktop Board DP55SB Extreme Series

Contents

1. Introduction 5

1.1. Intel

Desktop Control Center.............................................................5

2. Intel

Core™ i7 and Intel

Core i5™ Processors and Intel

P55

Express Chipset General Concepts 6

2.1. Architecture......................................................................................6

3. Intel Desktop Board DP55KG/DP55SB BIOS Setup 8

3.1. Accessing BIOS Setup........................................................................8

3.2. Recovering from an Unstable System ...................................................8

3.3. Preparing Setup Options (Optional)......................................................9

4. Optimizing Processor Performance 11

4.1. Processor Performance Tuning Options............................................... 12

4.2. Processor Tuning Process: The Host Clock Method............................... 15

4.3. Confirming System Stability.............................................................. 16

4.4. How to Measure Processor Core Frequency ......................................... 17

5. Memory Optimization 18

5.1. Optimizing Memory Performance ....................................................... 18

5.2. Memory Performance Options............................................................ 19

5.3. Determining Memory Frequency ........................................................ 21

5.4. Using XMP Profiles........................................................................... 22

5.5. XMP Manual Mode ........................................................................... 23

6. Examples of Over-Clocked Settings 24

6.1. Using the Host Clock for Performance Boost........................................ 24