Intel DZ77GA-70K, Performance Tuning Manual, Page: 3 / 35

Intel DZ77GA-70K / DZ77RE-75K Desktop Board Performance Tuning Guide
3
Contents
1 Introduction ........................................................................ 5
1.1 Intel
®
Extreme Tuning Utility .............................................................. 5
2 3rd Generation Intel
®
Core™ Processor Family and Intel
®
Z77
Express Chipset General Concepts ....................................... 7
2.1 Architecture...................................................................................... 7
3 Intel Desktop Board DZ77GA-70K Performance Tuning Using
BIOS Setup.........................................................................10
3.1 Hardware Considerations for Performance Tuning ................................ 10
3.1.1 Processor ............................................................................ 10
3.1.2 Memory .............................................................................. 10
3.1.3 Power Supply....................................................................... 10
3.1.4 System Cooling.................................................................... 11
3.2 Suggestions for Effective Tuning........................................................ 11
3.3 Accessing BIOS Setup ...................................................................... 12
3.4 Recovering from an Unstable System ................................................. 13
3.4.1 Hardware Watchdog Timer .................................................... 13
3.4.2 Back to BIOS Button............................................................. 14
3.4.3 BIOS Configuration Jumper.................................................... 15
3.4.4 Remove Power and Reboot .................................................... 15
3.5 Intel Desktop Board DZ77GA-70K Tuning using Over-Clocking Assistant™16
3.6 Intel Desktop Board DZ77GA-70K Performance Manual Tuning Process ... 17
3.6.1 Configure the BIOS for Performance Tuning ............................. 18
3.6.1.1 CPU Voltage Override Type....................................... 20
3.6.1.2 CPU Voltage Override .............................................. 20
3.6.1.3 CPU VReg Droop Control .......................................... 20
3.6.1.4 TDC Current Limit Override ...................................... 20
3.6.1.5 Intel
®
Turbo Boost Technology.................................. 20
3.6.1.6 Burst Mode Power Limit ........................................... 20
3.6.1.7 Sustained Mode Time .............................................. 20
3.6.1.8 Sustained Mode Power Limit ..................................... 21
3.6.2 Set Multipliers (Turbo Ratios)................................................. 21
3.6.3 Check Stability..................................................................... 22
3.6.4 Increase System Clock Frequency........................................... 23
3.6.5 Performance Tuning Memory.................................................. 25
3.6.5.1 XMP Memory Profiles ............................................... 25
3.6.5.2 Memory Performance Options ................................... 25
3.6.5.3 Determining Memory Frequency................................ 26
3.6.5.4 Going Beyond XMP Profiles ....................................... 27
3.6.6 Reduce Voltage, Current, and Power ....................................... 27
3.6.7 Restore Dynamic Voltage....................................................... 27