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Complete Overclocking Guide: Sandy Bridge & Ivy Bridge | *ASRock Edition* - Page 914

Poll Results: Was this guide helpful?

Poll expired: Oct 17, 2012  
  • 80% (237)
    Yes (and I DO have an ASRock motherboard).
  • 15% (45)
    Yes (but I DO NOT have an ASRock motherboard).
  • 2% (7)
    No (and I DO have an ASRock motherboard).
  • 2% (7)
    No (but I DO NOT have an ASRock motherboard).
296 Total Votes  
post #9131 of 9565
Diablos try update your windows fixed it for me atleast. If it doesn't work upgrade motherboard bios
post #9132 of 9565
Quote:
Originally Posted by diablos88 View Post

Hello people,

I have an Asrcok Z77 Extreme4-M with an intel I5 3450s
I'm trying to overclock the system, but If I put the multi x39 with bclk 100, when I run prime95 I see 35*100 (3500mhz) in CPU-Z like the maximal multi is 35
Any idea?

thanks

You can only freely overclock the i5-3570K CPU. Your 3450S has a limit.

You can find the Turbo Boost frequency table for your CPU here on Intel's website:

http://www.intel.com/content/www/us/en/support/processors/000005647.html

If you click on the bold text "3rd Generation Intel® Core™ i5 Desktop Processors", you'll get a table where you will find your i5-3450S. In that table, these numbers are mentioned:

4C -> 3.1
3C -> 3.2
2C -> 3.4
1C -> 3.5

The rules for overclocking a limited CPU are, you can add at most four steps to the multipliers. This means the highest multiplier for four cores can be 3.1 + 0.4 = 3.5 for your CPU.

One alternative thing you could do is set up your CPU like this with regards to those 4C, 3C, 2C, 1C settings: 3.5, 3.6, 3.8, 3.9. It would then run a bit faster than 3.5 whenever some cores are sleeping (I wouldn't do that as it might be hard to get it stable, while a 3.5 for all four numbers will just work).
post #9133 of 9565
Quote:
Originally Posted by bAllehc View Post

Diablos try update your windows fixed it for me atleast. If it doesn't work upgrade motherboard bios
Update what in windows? Im'm on windows 10 x64
the bios is the 1.80, I don't see other bios in the download page
Quote:
Originally Posted by deepor View Post

You can only freely overclock the i5-3570K CPU. Your 3450S has a limit.

You can find the Turbo Boost frequency table for your CPU here on Intel's website:

http://www.intel.com/content/www/us/en/support/processors/000005647.html

If you click on the bold text "3rd Generation Intel® Core™ i5 Desktop Processors", you'll get a table where you will find your i5-3450S. In that table, these numbers are mentioned:

4C -> 3.1
3C -> 3.2
2C -> 3.4
1C -> 3.5

The rules for overclocking a limited CPU are, you can add at most four steps to the multipliers. This means the highest multiplier for four cores can be 3.1 + 0.4 = 3.5 for your CPU.

One alternative thing you could do is set up your CPU like this with regards to those 4C, 3C, 2C, 1C settings: 3.5, 3.6, 3.8, 3.9. It would then run a bit faster than 3.5 whenever some cores are sleeping (I wouldn't do that as it might be hard to get it stable, while a 3.5 for all four numbers will just work).

deepor, I'm not sure that's the problem
why the motherboard let to put 39?
and also if you check around, there are people with the 3450 with the multi x39
even mine I can see that sometimes it reach 3900mhz
there must be something strange woth the mainboard(bios)

thanks
post #9134 of 9565
Your CPU is locked by Intel. You can't overclock it freely. Intel only allows full overclocking with the i5-3570K model.

There are four Turbo Boost multipliers for the four cores of your CPU. The highest settings you can use with an i5-3450S are like this:

One core active:
--> 39 multiplier

Two cores active:
--> 38

Three cores active:
--> 36

Four cores active:
--> 35

This means the following:

You will get 3.9 GHz if only one core is running and the other three cores are sleeping.

You will get 3.5 GHz if all four cores are running and no cores are sleeping.

About what "running" and "sleeping" means, the CPU usage percentages you see in the Windows Task Manager are basically about that. When you see for example 15% usage on one of the cores, this means that the core was running for 15% of the last second or so, and was sleeping for 85%. The CPU cores can switch between running and sleeping thousands of times per second. It happens so fast that you can't really look at what's happening at exactly the current moment with software, and can't really know why you sometimes see 3.9 GHz and sometimes 3.5 GHz.
post #9135 of 9565
deepor, but in this case, what is the option in the bios "Non-K OC" for?

thanks
Edited by diablos88 - 7/12/16 at 12:16pm
post #9136 of 9565
I don't know what "non-K OC" is. Perhaps it's just that +4 to all four Turbo Boost multipliers?
post #9137 of 9565
Quote:
Originally Posted by deepor View Post

I don't know what "non-K OC" is. Perhaps it's just that +4 to all four Turbo Boost multipliers?

You have it down already. CPUs ending with K have an unlocked multiplier, i5-3570K, so a non-K CPU like a i5-3570, still have a chance to overclock by added multipliers if the motherboard BIOS allows it.
    
CPUMotherboardGraphicsRAM
Intel i5 3570K [Delid] Asrock Z77E-ITX EVGA GeForce GTX 1080Ti FTW3 HyperX Fury 16GB 1866 DDR3 HX318C10FBK2/16 
Hard DriveHard DriveHard DriveHard Drive
Crucial M4 256GB Silicon Power S60 120GB Western Digital Blue Scorpio 1TB Seagate Constellation 2 1TB 
CoolingCoolingCoolingCooling
Swiftech Apogee Drive II XSPC RX240+EX240 [Painted White] 5x 2150RPM Gentle Typhoons PWM [Painted Black+W... Bitspower Water Tank Z-Multi 80 Inline Reservoir  
OSMonitorMonitorMonitor
Windows 10 LG 34UC88-B 34" Ultrawide 3440x1440 75Hz HP ZR2240w IPS Qnix QX2710 1440p 110Hz 
KeyboardPowerCaseMouse
WASD CODE 87-Key [MX Clear + PBT Keycaps] Seasonix X-750 Case Labs Mercury S3 Logitech G502 
AudioAudio
Sennheiser HD 598 SE Micca OriGen 
  hide details  
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CPUMotherboardGraphicsRAM
Intel i5 3570K [Delid] Asrock Z77E-ITX EVGA GeForce GTX 1080Ti FTW3 HyperX Fury 16GB 1866 DDR3 HX318C10FBK2/16 
Hard DriveHard DriveHard DriveHard Drive
Crucial M4 256GB Silicon Power S60 120GB Western Digital Blue Scorpio 1TB Seagate Constellation 2 1TB 
CoolingCoolingCoolingCooling
Swiftech Apogee Drive II XSPC RX240+EX240 [Painted White] 5x 2150RPM Gentle Typhoons PWM [Painted Black+W... Bitspower Water Tank Z-Multi 80 Inline Reservoir  
OSMonitorMonitorMonitor
Windows 10 LG 34UC88-B 34" Ultrawide 3440x1440 75Hz HP ZR2240w IPS Qnix QX2710 1440p 110Hz 
KeyboardPowerCaseMouse
WASD CODE 87-Key [MX Clear + PBT Keycaps] Seasonix X-750 Case Labs Mercury S3 Logitech G502 
AudioAudio
Sennheiser HD 598 SE Micca OriGen 
  hide details  
Reply
post #9138 of 9565
Hmn im on Asrock z68 Extreme3 gen3. My CPU-Z shows BLCK of 99,98, disabling Spread Spectrum has done nothing. Is something wrong?

Also i passed the "final test" for 2,5hours @4,5Ghz using offset mode to reach about 1,33vcore (sandybridge). But the PC does feel a little bit laggy in Windows and sometimes the mousecursor changes to "loading circle" without me doing anything. Help please D: More vcore?!
post #9139 of 9565
I have an ASRock Z77 Pro 3 (BIOS 2.10) and an i7 3770K


I currently use the pre-set Turbo 4.2 mode in BIOS, which basically auto-OCs me to 4200

Ive tried going to 4400-4500 a few times, playing with some voltages, but never got it stable even at 4400 (using the pre-set 4.4 Turbo mode also isnt stable)

this mobo is pretty budget, not the best for overclocking, is that why I cant OC more ?

or was I doing something wrong ?


Can someone with Z77 Pro 3 or similar give me a rough idea/approximate of what voltage settings/values I should set (or at least start with) to get 3770K to 24/7 stable at 4500 or 4400 ?

Much obliged



edit: from reading this thread it looks like I could start with:
- off-set of +0.005
- Turbo Voltage +0.050 or so (maybe higher) if Im going for 4.5 GHz

not sure what my LLC level should be set to .. 3 ? Any other settings to change ?
Edited by ChevChelios - 7/18/16 at 12:56am
The Green Beast
(16 items)
 
  
CPUMotherboardGraphicsRAM
Intel i7 3770K @ 4500 Mhz ASRock Z77 Pro3 Gigabyte GTX 1080 G1 Gaming Crucial Ballistix 2x8GB DDR3-1600 
Hard DriveHard DriveHard DriveCooling
SSD Crucial M550 500GB SSD Samsung 850 Evo 1TB HDD Seagate 7200rpm 3TB Cooler Master Hyper 212 EVO; Xilence X5 
OSMonitorKeyboardPower
Windows 10 Pro 64-bit Acer Predator XB271HU 27" IPS Gsync 1440p 165Hz CM Storm QuickFire XT Cherry Red 800W modular 
CaseMouseMouse PadAudio
Fractal Design Define R4 Black Logitech G900 Chaos Spectrum SteelSeries QcK+ 4mm SK Gaming Realtek On-board 
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The Green Beast
(16 items)
 
  
CPUMotherboardGraphicsRAM
Intel i7 3770K @ 4500 Mhz ASRock Z77 Pro3 Gigabyte GTX 1080 G1 Gaming Crucial Ballistix 2x8GB DDR3-1600 
Hard DriveHard DriveHard DriveCooling
SSD Crucial M550 500GB SSD Samsung 850 Evo 1TB HDD Seagate 7200rpm 3TB Cooler Master Hyper 212 EVO; Xilence X5 
OSMonitorKeyboardPower
Windows 10 Pro 64-bit Acer Predator XB271HU 27" IPS Gsync 1440p 165Hz CM Storm QuickFire XT Cherry Red 800W modular 
CaseMouseMouse PadAudio
Fractal Design Define R4 Black Logitech G900 Chaos Spectrum SteelSeries QcK+ 4mm SK Gaming Realtek On-board 
  hide details  
Reply
post #9140 of 9565
got whats in my sig but leaving turbo volts on auto and using either fixed or offset
can get to 4.7 very easily - setting turbo 30 (first setting) is almost spot on.


hoping this guide can get me to 4.8 doing it the other way

fantastic info provided

thumb.gifthumb.gifthumb.gifthumb.gifthumb.gif
Edited by MattBaneLM - 7/23/16 at 6:18am
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