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3. Adjusting Voltages

  • Extreme Tweaker – Scroll down to the voltages:
  • CPU Voltage – Manual
  • CPU Manual Voltage – Type in the value 1.250 or use the + symbol on your keyboard until you see the value 1.250 in the active pane.
  • DRAM Voltage – Set the voltage to the recommended voltage as specified on your DDR3 set of ram.
Maximus-IV-GENE-Z-UEFI-BIOS-10
  • There is no need to change any other values at this time.
  • Press F10 and select yes and enter.
  • Allow the motherboard to boot into Operating System. The board might reboot itself a few times; that is normal and nothing to worry about.

Applications

  • AI Suite II (available from the product pages): This includes hardware monitor, CPU frequency checking, temperature status and fan monitor.
Or
  • Download and install CPU-Z.
  • HWMonitor – this is a handy tool that is very useful for monitoring your temperatures.
  • CoreTemp – exactly what the name says, this application will monitor your temperature of the motherboard.

Tip: Never have two temperature monitoring applications active at the same time. This will likely result in one or both readings being incorrect and just confuse the issue. Use only one.

4. Stress Testing

Download a stress test of your choice, there are many different variations and each one has their own strengths and weaknesses. I use Prime95 but any one of the following will be suitable such as IntelBurnTest, LinX or OCCT to name a few.

Now that we have overclocked our system a little, currently we are at 4GHz it is important to constantly monitor stability and temperature.

  • Open Prime95 and when asked if you wish to use the program as it was originally intended or the stress testing, select the stress testing.
  • Now select test from the navigation bar at the top, and run the Torture test.
  • You have 4 options I suggest you choose Blend as it stress every aspect of your overclocked system.
  • Select 8 threads if you are using a 2600K or 2700K processor or 4 threads if you are using the 2500K processor.
  • Open your temperature monitoring application and note the idle temperature. I suggest writing this number down.
  • Start Prime95 and let the application run for an hour.

If your system crashes or is unstable you can tell by the following:

  • Errors in Prime95 will result in the green icon turning red and stating a thread has been terminated.
  • Blue Screen Of Death (BSOD)
  • Screen lock-ups
  • System Restarts

How to fix instability or crashing:

  • Go back into the BIOS and navigate back to the Extreme Tweaker tab
  • CPU Manual Voltage –   use the + symbol on your keyboard,  increase the voltage up one or two notches. You should not need more than 1.3V.
  • F10 to save your new settings, then repeat the stress test.

During the test you will need to monitor the temperature of your processor.  Depending on your cooling, at 4GHz your CPU should not exceed 55ºC when at 100% load. Typically using a Cooler Master 212+ (mid-range cooler) @ 4.4GHz the maximum temperature is around 60ºC depending on your ambient air temperature (those who live in hotter and humid countries will see a higher temperature).


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Comments

[size=4]2. Overclocking in the UEFI BIOS[/size]

Press del to enter the BIOS during the POST sequence
You can use your mouse and/or your keyboard to navigate around
Insure you are at default settings by selecting default setting and pressing enter
Write down your CPU temperature at default settings – navigate to the monitor heading and then down to temperature, select and all your temperatures that the motherboard monitors will be displayed.
Navigate to the Extreme Tweaker tab
Ai Overclocker Tuner - Manual
BCLK/PEG Frequency – 100
Turbo Ratio: By All Cores (Can Adjust in OS) – 44

http://rog.asus.com/wp-content/uploads/2012/02/Maximus-IV-GENE-Z-UEFI-BIOS-7-799x599.jpg

Memory Frequency – Auto or XMP if available.

http://rog.asus.com/wp-content/uploads/2012/02/Maximus-IV-GENE-Z-UEFI-BIOS-8-799x599.jpg

DRAM timing – When using XMP you do not need to change this setting. Otherwise you can leave this setting Auto, or manually set the top 5 settings to the values you will find on your DDR3 ram modules (e.g.: 9-9-9-24-2T). They are CAS Latency, RAS to CAS Delay, RAS Pre Time, RAS Act Time and DRAM Command Mode. Please note that DDR3 memory modules that are rated for 1.8volts are not suitable for Sandy Bridge boards, and 1.65V are not ideal, but acceptable. 1.5V or under should ideally be used.

http://rog.asus.com/wp-content/uploads/2012/02/Maximus-IV-GENE-Z-UEFI-BIOS-9-799x599.jpg

[size=4]3. Adjusting Voltages[/size]
Extreme Tweaker – Scroll down to the voltages:
CPU Voltage – Manual
CPU Manual Voltage – Type in the value 1.250 or use the + symbol on your keyboard until you see the value 1.250 in the active pane.
DRAM Voltage – Set the voltage to the recommended voltage as specified on your DDR3 set of ram.

http://rog.asus.com/wp-content/uploads/2012/02/Maximus-IV-GENE-Z-UEFI-BIOS-10-799x599.jpg

There is no need to change any other values at this time.
Press F10 and select yes and enter.
Allow the motherboard to boot into Operating System. The board might reboot itself a few times; that is normal and nothing to worry about.
Applications
AI Suite II (available from the product pages): This includes hardware monitor, CPU frequency checking, temperature status and fan monitor.

Or
Download and install CPU-Z.

HWMonitor – this is a handy tool that is very useful for monitoring your temperatures.
CoreTemp – exactly what the name says, this application will monitor your temperature of the motherboard.
Tip: Never have two temperature monitoring applications active at the same time. This will likely result in one or both readings being incorrect and just confuse the issue. Use only one.

[size=4]4. Stress Testing[/size]
Download a stress test of your choice, there are many different variations and each one has their own strengths and weaknesses. I use Prime95 but any one of the following will be suitable such as IntelBurnTest, LinX or OCCT to name a few.

Now that we have overclocked our system a little, currently we are at 4GHz it is important to constantly monitor stability and temperature.

Open Prime95 and when asked if you wish to use the program as it was originally intended or the stress testing, select the stress testing.
Now select test from the navigation bar at the top, and run the Torture test.
You have 4 options I suggest you choose Blend as it stress every aspect of your overclocked system.
Select 8 threads if you are using a 2600K or 2700K processor or 4 threads if you are using the 2500K processor.
Open your temperature monitoring application and note the idle temperature. I suggest writing this number down.
Start Prime95 and let the application run for an hour.
If your system crashes or is unstable you can tell by the following:

Errors in Prime95 will result in the green icon turning red and stating a thread has been terminated.
Blue Screen Of Death (BSOD)
Screen lock-ups
System Restarts
How to fix instability or crashing:

Go back into the BIOS and navigate back to the Extreme Tweaker tab
CPU Manual Voltage – use the + symbol on your keyboard, increase the voltage up one or two notches. You should not need more than 1.3V.
F10 to save your new settings, then repeat the stress test.
During the test you will need to monitor the temperature of your processor. Depending on your cooling, at 4GHz your CPU should not exceed 55C when at 100% load. Typically using a Cooler Master 212+ (mid-range cooler) @ 4.4GHz the maximum temperature is around 60C depending on your ambient air temperature (those who live in hotter and humid countries will see a higher temperature).
[size=4]The Even Quicker Method: CPU Level Up![/size]
The ROG team has built in its CPU Level Up system to simply even the above process.

Enter the BIOS as you did before.
Under the Extreme Tweaker tab select CPU Level Up: 4.60G

http://rog.asus.com/wp-content/uploads/2012/02/Maximus-IV-GENE-Z-UEFI-BIOS-4-799x599.jpg

Then if your memory is compatible select XMP from the AI Overclock Tuner, otherwise leave Auto:

http://rog.asus.com/wp-content/uploads/2012/02/Maximus-IV-GENE-Z-UEFI-BIOS-5-799x599.jpg

Hit F10 then Enter, and that’s it!
This method is the quick approach that should work for most people who don’t have time to invest in overclocking.

As every CPU is different this means you can find your CPUs exact needs by reducing the voltage to lower temps, while still keeping the system stable. This means that once you’ve tested stability, you can re-enter the BIOS and drop the voltage slightly until the system becomes unstable in stability tests, then add one or two notches to make it stable again. This yields your most optimal voltage-to-clock settings for your exact system, but ultimately the total effort here is the same as doing it manually.
WhitePaw02-22-12 06:41 AM Reply With Quote
the I5 2500K is one piece of art, i just played with mine for fun (30 min ago), it was long a time ago i did something with it......

Damn, its possible to push these cuties to xtreme without to much effort..........
I'd like to get one of those and the newer 2550 and see what happens...

if anyone has a spare mobo they don't want, PM me
HiVizMan02-22-12 09:27 AM Reply With Quote
Neo if anyone has a spare 2500K CPU they do not want they must pm me.
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