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  1. #1

    EVGA Overclocking Guide

    Here is a copy of a great guide to use for OC'ing if you use a EVGA Z68 board.

    Here is a quick guide that may help you out when trying to maximize your system's performance!

    For this guide I used the following:

    • Intel Core i7 2600K
    • EVGA P67 FTW
    • EVGA Superclock CPU Cooler

    1. Firstly, go into the BIOS by pressing the Delete key when the system is posting. Head over to the Save/Exit section and select Restore Defaults, next select Yes. This will ensure we are starting with a fresh BIOS setup:

    Main BIOS Screen:


    2. Next, head over to the Overclocking tab. Here we will make a few adjustments:

    • CPU Multiplier Setting set to 40 - This is our CPU frequency. Since the default BClock is 100MHz; 100x40=4GHz. This is the option we will use to configure our CPU Frequency.
    • VDroop set to Without VDroop - This will help keep our CPU voltage stable and reduce sagging under load.
    • Internal PLL Voltage Override set to Enable - This is a critical option that improves system stability when running over 40X CPU multiplier.
    • CPU VCore set to 1.300V - In this guide we are going to start at 1.3V, this may vary depending on your CPU.
    • DIMM Voltage set to Varies - Set your DIMM voltage to manufacturer recommended spec.

    3. Now we will configure some of our CPU settings, the options in this portion are completely optional. If you wish for your CPU to use Intel Speedstep Technology, which saves on power by downclocking when the system is idle, skip this section. For this guide we are configuring our CPU to run at full performance at all times.

    • EIST set to Disable - This is Intel Speedstep Technology.
    • C1E Support set to Disable - This is a powersaving feature.
    • CPU C3 Report also set to Disable
    • DO NOT DISABLE TURBO MODE! This essentially allows your CPU to OC at all.

    4. Next up, memory settings! Make sure to configure this per your memory specifications, or use the XMP function to use the built in SPD settings (if applicable)

    5. This step is completely optional, if using BIOS 1.14 or later, you can save a BIOS Profile in the Save/Exit section and call it whatever you like. This is useful incase you need to reset your BIOS settings or make changes you can always load your presets easily.

    6. Now it is time to Boot into Windows! Select Save Changes and Exit, and your system will boot. Make sure to keep a close eye on your CPU temperatures. TIP: You can look at the debug LED on the motherboard to see your CPU temperature:

    7. Now that we are in Windows, we will run a CPU Stress test. Ex: LinX or Prime95. We can check our CPU frequency by using the EVGA ELEET Utility.

    8. If it completes with no failures, we can reboot, go back into the BIOS, and increase the CPU multiplier 1x at a time.

    9. You may need to experiment with increase the CPU Voltage if you have issues with system stability, remember to take it a step a time, and keep an eye on those CPU temps! Increasing CPU Voltage will likely increase your CPU temperature. If it is getting to the 75c+ range, it is too warm.

    10. Once we find an acceptable CPU frequency, we can use the EVGA ELEET utility to save a validation, and upload it for the world to see!

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  2. #2
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    Great overclocking guide for ASROCK mobos

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