The article we will talk about the possibility of including the third and fourth cores of y, as well as the practical results of such actions will also be given - that is, tests. After all, it is very tempting for a hundred dollars to get a platform with the processor at the top level level.

About, but one of the main consequences of the 'poverty »AMD - is a rational use of the chip area.

AMD is much earlier than Intel, and even on the old technical processor, the first quad-core processor managed to create the first quad-core processor on one crystal (his quad of Intel made the spike of two dual-core).

So - the processor is made, but the marriage is still present from time to time even in the rich Intel (fresh news - ). So AMD, let's say, there are suspicions that one kernel does not work. It is just blocked and you buy some three or even dual-core AMD Phenom II 560 x2 Socket AM3 3.3GHz 7MB 80W Box or Athlon II x3 445. But physically it is quad-core!

How to unlock / enable AMD processor kernels?

We save the changes and reboot - if everything goes smoothly, then the first step will pass. But only the first.

Do not forget that the nuclei of atlons and phenomams are blocking not enough and they can be failed. Next, it is necessary to test the stability of all the processor cores, for example, as described in the article.

PRACTICE

Was taken athlon processor II X3 425 and using the ASRock's Bad Motherboard Option - BIOS Unlock CPU Core, the fourth core is included.

So the processor looked before unlocking:

As you can see, the CPU-Z utility determines that the processor has three active kernels and each half-scale cache L2.

Now turn on the fourth core ...

Waiting for disappointment. The first test revealed the inoperability of the included kernel. It was functioning, but under load fell. Looking around to the picture You will also see the artifacts of the desktop image. But noteworthy another - the Athlon II X3 processor has not turned into a quad-core atlon, but in Phenom II X4 !!!

In the screenshot, it is clearly clearly visible according to the testimony of the utility that not only the kernel is included, but also extra 6MB cache of the third level L3.

I decided not to lower my hands and go to the end. The method of trial and error was revealed that physically failed locked kernel is the second on account. And what if the cache l3 is quite efficient? To check this approval, the processor was again unlocked, but from the application manager, the second kernel was disabled.

We pass the test ...

The test worked immaculately. And at the same time we also found out the practical benefit of a large cache. In the test of 3D MARK 2006, this presence, with other things being equal, somewhere added + 10%. This is certainly not an extra core, but still an increase. Smart maternal manufacturers even specifically provide for such cases provide for associated disabling nuclei.

That is, first we have to force unlock all that you can unlock and then lock the fact that inefficient)))))))))))))))

There is also a wonder of the tar in all this. Even despite the fact that the cache and the kernel are not active, such processors still have a large size of a crystal and significantly warm. Consider it.

What processors are suitable for unlocking?

Suitable three-core atlons and two-three-nuclear phenomena Athlon-II-X3 and Phenom-II-X2-3. It also walks the rumor that some quad-core models are unlocked into the six-core, but there is no such experience yet. Look at the then Fenomas on the Thuban kernel and is quite possibly lucky.

OUTPUT
In general, in this case I was not lucky, because a 100% work instance could get caught. In this case, I would receive a quad-core Phenom II X4 from the processor worth $ 65. Agree - this lottery is worth it. And especially pleases what even a penny motherboards can do it.

If you have a computer, equipped with modern processor The production of AMD, this means that you have a chance to significantly increase the productivity of your PC, without spending a penny on this purpose. We are talking About technology that is called "Unlocking AMD Processor Nuclear". This technology allows you to increase the number of processor core system available - as a rule, from two to four or three.

Of course, such an operation is very tempting. And indeed, as tests show, in some cases the performance of the updated processor increases by almost twice. Moreover, for the successful implementation of this operation you will need only a small knowledge of the BIOS options, and, however, a little luck.

First of all, we will try to deal with the question of why AMD in general it was necessary to "hide" the core of the processor from the user. The fact that each manufacturer of processors within a certain range, there are several models that differ in price and capability. Naturally, cheaper processor models have fewer cores compared to more expensive. However, specially develop models with a smaller number of nuclei in many cases is irrational, so many manufacturers, in this case, AMD is proceeding easier - simply disconnect the unnecessary processor kernels.

In addition, many AMD processors may also have defective kernels that have a number of shortcomings. Such processors are also not discarded, and after disconnecting unnecessary nuclei, sold under the guise of cheaper varieties of processors. However, these defects have disabled cores may not be critical for their function in nature. For example, if the core of the processor has a slightly increased compared to standard heat generation, the use of a processor with such a nucleus is quite possible.

It is necessary to immediately say that the success of the unlocking operation of the nuclei largely depends not only from the AMD processor line and its model, but also from a specific processor series. In many series, it is possible to unlock only the kernel in individual processors, while almost all processors can be unlocked in other series. In some cases, it is possible to unlock the nucleus itself, but only the cache related to it.

Unlocking AMD processors belong to Athlon, Phenom and Sempron. Usually unlocking is possible for cores No. 3 and 4 of the four available in the presence of the nuclei. In some cases, you can unlock the second kernel in a duid processor, and in some - 5 and 6 kernels in the quad-core processor.

Features of unlocking various series of processors

We present some examples of the series of AMD processors that are submitted unlocking, as well as characteristic features characteristic this process:

• Athlon X2 5000+ - kernel number 3 and 4 (individual specimens)
• Athlon II X3 Series 4xx (core type Deneb / Rana) - kernel number 4 and cache
• Athlon II X3 Series 4xx (Propus Type Core) - Kernel No. 4
• Athlon II X4 Series 6xx (core type Deneb / Rana) - only 3 level cache
• Phenom II X2 series 5xx - core number 3 and 4
• Phenom II X3 series 7xx - kernel number 4
• Phenom II X4 Series 8xx - You can unlock only 2 MB of 3 level cache
• Phenom II X4 650T, 840T, 960T and 970 Black Edition - №5 nucleus and 6 (specific instances)
• SEMPRON 140/145 - kernel number 2

What chipsets support processor nuclei unlocking?

It should be noted that not all system fees Support the possibility of unlocking AMD processor cores. You can unlock the kernels only if your BIOS supports advanced technology Clock Calibration (ACC) or similar technology.

ACC technology is used in the following chipsets:

• GeForce 8200.
• GeForce 8300.
• nForce 720d.
• nforce 980.
• South Bridge Type SB710 Chipsets
• South Bridge Type SB750 Chipsets

There are also several aMD chipsetsnot supporting ACC technology, but instead of technology supporting similar to it. Chipset data includes chipsets with southern bridges like:

• SB810.
• SB850
• SB950.

Methods of unlocking nuclei on these chipsets varies depending on the manufacturer of the motherboard

Unlocking technique

To unlock the nuclei, the user needs to refer to the BIOS. In the case of support motherboard ACC technologies in most cases are enough to find in BIOS Parameter Advanced Clock Calibration and install AUTO value in it.

In the case of motherboards of individual manufacturers, some additional actions may also be required. On maternal asus boards You must enable the UNLEASHED MODE option in addition to ACC, mSI boards - Unlock CPU Core option on NVIDIA boards - Core Calibration option. On Gigabyte boards, you need to find the EC Firmware Selection option and install the Hybrid value in it.

On those chipsets that do not support ACC technology, unlocking technique depends on the manufacturer. We briefly list the options that must be used in the case of each specific manufacturer:

• ASUS - ASUS CORE. Unlocker
• Gigabyte - CPU Unlock
• Biostar - Bio-Unlocking
• ASRock - ASRock UCC
• MSI - Unlock CPU Core

Check Unlock and Testing Nuclei

In order to make sure that the unlocked cores of AMD processors really work, it is best to use CPU-Z information utilities. However, even if you make sure that the unlocking has passed successfully, it does not mean that unlocked kernels will work without problems. In order to fully check their performance, it is recommended to conduct thorough testing of all processor parameters. Also, the failure of the unlock process may testify the failures of the computer, and sometimes the impossibility of downloading it. In the latter case, you will have to resort to cleaning the BIOS memory and reset it into the default factory settings state (on how to make this process, we told in a separate article).

In the event of a malfunctional of the new nuclei, the user can disable them at any time using the BIOS options. In addition, it should be borne in mind that the operation of unlocking the processor nuclei works only at the BIOS level, and not at the level of the processors themselves. In the event that you put the processor with unlocked nuclei to another motherboard, they will still be blocked.

And one more thing I would like to mention. Although the processor unlocking is not equivalent to overclocking, however, an increase in the number of working cores of your processor will automatically lead to an increase in the heat generation of the processor crystal. Therefore, perhaps, in this case, it makes sense to think about the modernization of the cooler cooling processor.

Conclusion

Unlocking AMD processor nuclei is a simple action that, nevertheless, can help the user fully implement the potential available to its computer equipment. This operation is carried out using the inclusion of the necessary BIOS options. Although unlocking the nuclei and is not always guaranteed to succeed, nevertheless, it is not connected, like acceleration, with a significant risk, and can be tested in practice by any user.

Introduction

The story is often forced to repeat: the manufacturer X, known for its flagship product Y, recently began to produce the product of the mid-level Z, which is built on a silicon crystal, for some reason not reaching to Y. But instead of throwing a crystal, X turns off from him A certain part, after which it sells as Z - at a lesser price.

As a rule, in most cases (but we do not know how great a majority), this is due to the fact that the core does have a defect. But sometimes the manufacturer simply needs to release the processors of a certain price level, which is not enough. ATI Radeon. HD 4830, NVIDIA GeForce GTX 260, AMD Phenom II X3 700 and 800 Line - All these are examples of products based on more expensive components.

AMD Phenom II.

To verify, we bought the retail version of the X3 processor. Click on the picture to enlarge.

A couple of months ago from Korea information came in which it was said that you can simply unlock the fourth kernel on the Phenom II X3 processor, including the Advanced Clock Calibration feature on some motherboards, which turns the Phenom II X3 720 Black Edition for $ 135 (from 6 thousand rubles in Russia) to the Phenom II processor X4 920 (Black Edition) for $ 190 (from 6.9 thousand rubles in Russia) by changing the option in the BIOS. So far we wage the question of whether it is worth saving to get potentially not stable system.

How do you remember from our articles dedicated to the market for the Phenom II market , AMD stated that ACC technology technically in Phenom II does not change, because it is already integrated into Phenom II. The same ACC technology allowed to reach the Phenom higher frequencies after overclocking. Now this feature SB750 south bridge, apparently influenced the Phenom II in a different way.

How it all works and remains a mystery to us. The two manufacturer of motherboards ASRock and Biostar said that they support the possibility of unlocking the X3 processors, but no company explained how it happens. Honestly, it is unlikely to be connected with any cunnation from companies, and probably something similar happens: ACC can change the process of checking the CPU to errors, increasing the stability to errors and reducing the chance of failure under certain conditions. In this case, the increase in error resilience ACC possible to "revive" disabled fault silicon portion.

We also bought a retail version of the X4 processor. Click on the picture to enlarge.

Biostar's products manager said that any fee with the southern SB750 bridge can give the same unlocking effect. ASRock confirmed this, and also provided us with our own test data on a certain amount processors where there is a fairly uniform distribution to chips that are unlocked and work stably; chips that are unlocked, but work unstable; Chips that are not unlocked at all.

And that's what's interesting. AMD declares that the hype raised around the ACC / Phenom II X3 well spurred sales of the product line, which, as we thought was not the most sought-after. In the end, after the first release of X3, many applications simply did not know what could be done with three nuclei. And the company argues that she has no plans to stop enthusiasts from unlocking the fourth kernel X3, including the ACC at SB750.

But one manufacturer of motherboards told us that AMD plans to stop the ACC support this month in the SB750 Southern Bridge. Another manufacturer said that AMD puts on it to update the firmware of the built-in ACC controller and publish the "updated" version of the BIOS. And if the first is an assumption, then the second is like the truth. Indeed, free cheese is only a mousetrap. Proof of? Slightly lower.

Kernels and cache

It seems that X3 is not the only models that are capable of greater. AMD Phenom chips from the line II X4 800 (those with 4 MB of L3 cache instead of the full 6 MB), can also be unlocked using ACC trick, although the benefits in this case it seems doubtful. The Phenom II X4 810 processor cost on Newegg.com $ 167 (6.8 thousand rubles in Russia) at the time of publication of the article. Phenom II X4 920, working for 200 MHz faster, cost $ 189 (6.9 thousand rubles in Russia). Of course, 810 refers to the Socket AM3 generation, and the 900 ruler on this moment Limited by AM2 +, but AMD will update the Socket AM3 line with top models in the near future, so it's hardly today it makes sense to limit itself AM2 +, especially if you plan to go to DDR3 in the future.

Click on the picture to enlarge.

But let's turn to the real "gland" and see if we can get a stable system after unlocking less expensive processors. Of course, it is unlikely to repeat once again that even clock frequencies Here we have the same consequences as after overclocking. That is, no one will exercise technical support this stepIf you do not count the communities of enthusiasts.

Not all motherboards are suitable

At first we decided to choose a suitable platform on Socket AM3. We already knew that ASRock and Biostar are two manufacturers who initially supported the idea. Yes, and in our club experts, readers asked for such tests.

We started by S. aSUS tests M4A79T Deluxe, which, judging by other sites , must work. But nothing happened. With the ACC disabled, the board worked well. As soon as you enable this feature, and our Phenom II X3 720 (which, as we know, has successfully unlocked), I began to constantly issue " blue screen"We used the latest BIOS version from ASUS, so they took another motherboard with older BIOS.

Next was the motherboard Gigabyte MA790XT-UD4P. We received this fee from the BIOS F2 of January 16, 2009. However, it did not help to unlock our "good" copy of the Phenom II X3. On March 10, Gigabyte released the BIOS F2B version, which was supposed to update the ACC code for Phenom X3 processors. We updated the BIOS to the latest version of F3, but it did not help.

We contacted Gigabyte to find out what is meant by the "ACC code update". According to the company, all manufacturers developing new BIOS with the latest AMD microcode must disable the nucleus / cache unlock function, which at least explains why ASUS and Gigabyte motherboards with the latest BIOS versions refused to cooperate with us. Why not use the old microcode? Latest version The microcode corrects many other problems, including, for example, a problem with a random reboot. From the point of view of the manufacturer of the motherboard, the release is more stable bIOS version Nevertheless, it is preferable to leave the unsupported and potentially problematic hack function. In general, if you want to keep your "jacket" Phenom II, then you need to stick to the BIOS version before correcting.

ASRock M3A790GXH / 128M is the only fee in our laboratory, which was still able to unlock all Phenom. Click on the picture to enlarge.

Finally, we took a fee that should be guaranteed to work: ASRock M3A790GXH / 128M. What is strange, even with the ACC function exposed on AUTO, the fee included the fourth phenom kernel II X3 720 under Windows. ASRock has released only one version of the BIOS for this motherboard - the initial one. Perhaps, after a while, the BIOS update will be released, and the fee will lose the unlock functions?

Representatives of ASRock told us that the company is not in a hurry to include the latest microcode corrections. If AMD releases new processors or corrects the errors that it considers it critical to updating the microcode, then the consumer will feature two versions of BIOS, and enthusiasts will be able to choose one or another version.

And not all processors too

As a result, we tested three Phenom II X4 810 processors and three Phenom II X3 720 Black Edition. One processor was obtained from AMD as samples. According to one processor, we received from ASRock - these were models with guaranteed unlocking, which we used to check whether we can unlock processors on other motherboards. Finally, we bought the last couple on NeweGg to get an idea of \u200b\u200bthe possibility of unlocking retail versions of processors.

Of course, two processors from ASRock we have successfully unlocked. Phenom II X4 810 from AMD also earned. But Phenom II X3 720 bes from AMD could not unlock. Phenom II X4 810, purchased on Newegg, we have successfully unlocked. And Phenom II X3 720 could not.

In the processors that we could unlock normally, the ACC function was set to "Auto" in the BIOS of the ASRock motherboard. Sample X3 720, sent by us by ASRock, perfectly passed all our tests at this setting, showing the advantage in performance from the inclusion of the fourth kernel. Then, to check stability, we launched the PRIME95 test. In just a few minutes, the platform depended, and after the reset began to report only about three cores - even with the ACC function turned on.

We have already read about such behavior when the processor unlocking "does not come true". Fortunately, it allowed us to find a way to return unlocking, even if it does not work, back.

Unlocked X3 720, ACC is enabled.

Normal X3 720, ACC is turned off.

We began to translate ACC setting in the other modes, in addition to "Auto", using the option of nuclear "All Cores". By changing it with a step by 2%, we were able to return the fourth kernel back when setting up -6%. And if earlier the system could not withstand the PRIME95 test in general, in this case it worked fine for an hour without errors before we turned off the computer. It seems that the more aggressive ACC setup allows you to stabilize the unlocking of the fourth kernel.

However, ACC does not create miracles. On our two Phenom II x3 720, on which the kernel was not unlocked and in the "AUTO" position, we changed the ACC setting with + 12% to -12%, and did not find any signs of the fourth kernel.

Unlocked X4 810, ACC is enabled.

Normal X4 810, ACC is turned off.

Processor results

CPU	Model number #	Week and Stepping	The possibility of unlocking
Phenom II X4 810 from AMD	HDX810WFK4FGI.	0849 CPBW.	Yes
Phenom II X4 810 from ASRock	HDX810WFK4FGI.	0848 DPM.	Yes
Phenom II x4 810 by Newegg	HDX810WFK4FGI.	0903 CPAW.	Yes
Phenom II x3 720 from AMD	HDZ720WFK3DGI	0849 CPMW.	Not
Phenom II X3 720 from ASRock	HDZ720WFK3DGI	0849 CPMW.	Yes
Phenom II X3 720 from Newegg	HDZ720WFK3DGI	0904 EPMW.	Not

Results are best looking for AMD Phenom II X4 810, and no matter when this processor has been produced or it can be stepping. In all three cases, we were able to unlock and add 2 MB of L3 cache on the ASRock motherboard.

Publication Date: 04/01/2015

We all know that computer gland manufacturers laid a large supply of opportunities into their components. But greedy marketers sell it by portions, turning off many features and hiding blocks from use. Teach to include hidden capabilities.

Enabling AMD processor nuclei

Many processors contain hidden cores

Almost all AMD processors are subject to this modification, especially Phenom II X6 and FX-Series, as they have hidden kernels.

As a rule, 1-2 hidden kernels are included, and in the case of FC-OS, quad-cores become FX-4300 \u003d\u003e FX 6300 six-core, FX 6350 \u003d FX 8320 eight-yidler, and FX 8350 \u003d\u003e FX 9590 5GHz becomes a top processor !!! To do this, in the BIOS, you must enable the UCC Unlocker feature.

Inclusion of Intel Processor Nuclear

Similar occurs with Intel processors, with that lish difference, which is often also included in the L3 cache on junior processors. To activate, you need to update the BIOS to the divided Unlock Intel BIOS and turn on the appropriate tick.

Overclocking CPU. Intel Core i3 / i5 / i7 without a multiplier "k"

Alternative BIOS allows you to overclock all Intel processors

It is also known that the Intel processors with an unlocked multiplier K are absolutely no different from the same faults, except for the overestimated price. However, they can be accessed by the bus increasing the basic FSB from 100 MHz up to 200 MHz (i.e., 2 times!), Or open a multiplier by updating the BIOS all the same Unlock Intel BIOS

Increase Capacity HDD.

It is no secret that the plates on the hard drives are made of standard volume. Then the flavored, you say, you take multiple HDD containers, say in 750gb ???

All right - the manufacturer simply blocks on one or several plates volume hard diskwhich you can and need to unlock!

To unlock we need acronis program.

1.) You must first change the type with MBR \u003d\u003e GPT in the disk settings and make it dynamic so that the hidden can be freely addressed operating system.

2.) It is necessary to uncharge your hard drive with a powerful magnet, to erase the factory blocking code.

3.) Acronis utility Select any desired HDD volume.

Turning off bats HDD

It is always pleasant to programmatically correct the hard drive

The same manipulation, only in reverse order, should be performed to block broken areas. In this case, even a sprinkled hard drive will work as a new one. At the same time, remember that it is easy to restore any lost data on the HDD, because they are always reserved to be copied to the hidden factory sections. To do this, again, they need to simply turn on as described in the chapter above.

Enabling all shaders Radeon video cards

R9 290X Dimmed from Simple Radeon HD 7730 1GB

Radeon and GeForce video cards, among other things, differ in that NVIDIA is not lazy for each new video card Making a separate chip, but AMD usually simply turns off part of the shader blocks of senior video cards to get the younger. Judge for yourself, for video cards such as Radeon HD 5850 and 5870 chip the same, and shaders 1440 and 1600, respectively. The same thing and R9 280-280x, etc.

To enable all Radeon shaders, you must install the driver from GeForce in safe mode As a standard VGA device (overload by pressing F8).

Unlock at times increases speed

Inclusion of all CUDA nuclei of the NVIDIA video card

It will already be more complicated ... You need to close the jumpers on the port VGA with penny resistors as shown in the figure.

This manipulation includes all GEFORCE video cards

The parameters of the resistors do not have. Also, this method makes from all video cards Professional Tesla series, as well as fighting with artifacts.

Increase power supply power

High voltage Maybe kill! Do not do it))

Almost everyone chinese blocks Power differs only by the size of cooling radiators. Therefore, it is enough just to open the lid and install another fan on the BP and you can even hang the SLI GeForce 780Ti or younger video cards unlocked to it.

Do not forget that the article is written solely on the rights of primarial joke 🙂 and do not drive around the chalk. It should be noted that in skillful hands some things really manage to implement. But much more benefit from being able to make a configuration and choose components precisely under your task.

Spring you mood!

compua.com.ua.

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Increase the performance of AMD processors unlocking cores

If you have a computer equipped with a modern AMD manufacturing processor, this means that you have a chance to significantly increase the performance of your PC, without spending a penny on this purpose. We are talking about technology that is called "Unlocking AMD processor nuclei." This technology allows you to increase the number of processor core system available - as a rule, from two to four or three.

Of course, such an operation is very tempting. And indeed, as tests show, in some cases the performance of the updated processor increases by almost twice. Moreover, for the successful implementation of this operation you will need only a small knowledge of the BIOS options, and, however, a little luck.

Principle of operation of the method

First of all, we will try to deal with the question of why AMD in general it was necessary to "hide" the core of the processor from the user. The fact that each manufacturer of processors within a certain range, there are several models that differ in price and capability. Naturally, cheaper processor models have fewer cores compared to more expensive. However, specially develop models with a smaller number of nuclei in many cases is irrational, so many manufacturers, in this case, AMD is proceeding easier - simply disconnect the unnecessary processor kernels.

In addition, many AMD processors may also have defective kernels that have a number of shortcomings. Such processors are also not discarded, and after disconnecting unnecessary nuclei, sold under the guise of cheaper varieties of processors. However, these defects have disabled cores may not be critical for their function in nature. For example, if the core of the processor has a slightly increased compared to standard heat generation, the use of a processor with such a nucleus is quite possible.

It is necessary to immediately say that the success of the unlocking operation of the nuclei largely depends not only from the AMD processor line and its model, but also from a specific processor series. In many series, it is possible to unlock only the kernel in individual processors, while almost all processors can be unlocked in other series. In some cases, it is possible to unlock the nucleus itself, but only the cache related to it.

Unlocking AMD processors belong to Athlon, Phenom and Sempron. Usually unlocking is possible for cores No. 3 and 4 of the four available in the presence of the nuclei. In some cases, you can unlock the second kernel in a duid processor, and in some - 5 and 6 kernels in the quad-core processor.

Features of unlocking various series of processors

We present some examples of the AMD processor series filed with unlocking, as well as the characteristic features of this process peculiar to them:

• Athlon X2 5000+ - kernel number 3 and 4 (individual specimens)
• Athlon II X3 Series 4xx (core type Deneb / Rana) - kernel number 4 and cache
• Athlon II X3 Series 4xx (Propus Type Core) - Kernel No. 4
• Athlon II X4 Series 6xx (core type Deneb / Rana) - only 3 level cache
• Phenom II X2 series 5xx - core number 3 and 4
• Phenom II X3 series 7xx - kernel number 4
• Phenom II X4 Series 8xx - You can unlock only 2 MB of 3 level cache
• Phenom II X4 650T, 840T, 960T and 970 Black Edition - №5 nucleus and 6 (specific instances)
• SEMPRON 140/145 - kernel number 2

What chipsets support processor nuclei unlocking?

It should be noted that not all system boards support the possibility of unlocking the AMD processor nuclei. You can unlock the kernels only if your BIOS supports Advanced Clock Calibration (ACC) technology or technology similar to it.

ACC technology is used in the following chipsets:

• GeForce 8200.
• GeForce 8300.
• nForce 720d.
• nforce 980.
• South Bridge Type SB710 Chipsets
• South Bridge Type SB750 Chipsets

There are also several AMD chipsets that do not support ACC technology, but instead that support similar technologies. Chipset data includes chipsets with southern bridges like:

Methods of unlocking nuclei on these chipsets varies depending on the manufacturer of the motherboard

Unlocking technique

To unlock the nuclei, the user needs to refer to the BIOS. If the motherboard is supported by the ACC technology, in most cases it is sufficient to find the Advanced Clock Calibration parameter in the BIOS and set the AUTO value in it.

In the case of motherboards of individual manufacturers, some additional actions may also be required. On the ASUS motherboards, in addition to the ACC, enable the Unleashed Mode option, on the MSI cards - the option Unlock CPU CORE, on the NVIDIA boards - the Core Calibration option. On Gigabyte boards, you need to find the EC Firmware Selection option and install the Hybrid value in it.

On those chipsets that do not support ACC technology, unlocking technique depends on the manufacturer. We briefly list the options that must be used in the case of each specific manufacturer:

• ASUS - ASUS CORE UNOCKER
• Gigabyte - CPU Unlock
• Biostar - Bio-Unlocking
• ASRock - ASRock UCC
• MSI - Unlock CPU Core

Check Unlock and Testing Nuclei

In order to make sure that the unlocked cores of AMD processors really work, it is best to use CPU-Z information utilities. However, even if you make sure that the unlocking has passed successfully, it does not mean that unlocked kernels will work without problems. In order to fully check their performance, it is recommended to conduct thorough testing of all processor parameters. Also, the failure of the unlock process may testify the failures of the computer, and sometimes the impossibility of downloading it. In the latter case, you will have to resort to cleaning the BIOS memory and reset it into the default factory settings state (on how to make this process, we told in a separate article).

In the event of a malfunctional of the new nuclei, the user can disable them at any time using the BIOS options. In addition, it should be borne in mind that the operation of unlocking the processor nuclei works only at the BIOS level, and not at the level of the processors themselves. In the event that you put the processor with unlocked nuclei to another motherboard, they will still be blocked.

And one more thing I would like to mention. Although the processor unlocking is not equivalent to overclocking, however, an increase in the number of working cores of your processor will automatically lead to an increase in the heat generation of the processor crystal. Therefore, perhaps, in this case, it makes sense to think about the modernization of the cooler cooling processor.

Conclusion

Unlocking AMD processor nuclei is a simple action that, nevertheless, can help the user fully implement the potential available to its computer equipment. This operation is carried out using the inclusion of the necessary BIOS options. Although unlocking the nuclei and is not always guaranteed to succeed, nevertheless, it is not connected, like acceleration, with a significant risk, and can be tested in practice by any user.

Transformation of Athlon II X3 425 in full Phenom II x4 925 with a brief instruction By unlocking

In the market there have always been such components that, with a certain approach, they provided a lot more productivity to them than he paid for them. Processors or video cards, and sometimes even motherboards are "trimming" from top products. It happens that with a successful coincidence of the circumstances from the budget processor, you can make flagship.

The employees of the computer store PCShop Group conducted an interesting experiment-study on unlocking the three-core Athlon II X3 425 processor and turning it into the most real quad-core Phenom II X4 925 chip.

As you know, AMD is used to produce its processors only three types of crystals: a four-core deneb from it by cutting the L3 cache receive Propus and dual-core regor. The Athlon II X3 4XX processors can be both on the Deneb crystal (version for Athlon II x3 4xx is called Rana) and the Propus kernel.

CoreDeneb.

Core Propus.

In other words, with a certain luck, you can get trim from the Deneb crystal (Phenom II). And you can always get a physically trimmed Propus, which simply does not have any cache memory L3. AMD does not give any guarantee on the performance of the unlocked cache or kernel. You buy exactly the model and with those characteristics that are applied on a box or processor lid.

Athlon II x3 425 is available at the PCShop Group, at the "right" crystal - deneb, which made it possible to unlock with the core and 6 MB of third-level kesh.

After

Comparing the characteristics of the unlocked Athlon II x3 425 with the Phenom II X4 925 serial model, you can notice some differences:

	Athlon II x3 425	Phenom II X4 B25	Phenom II x4 925
Frequency, MHC
Number of Cores
L2 cache volume, KB
The volume of the memory cache L3, MB
TEHPROTSESS, NM

Of course, you can find fault with the fact that the frequency does not coincide. But here is how in the folk saying about a darken horse. Although, we will also return to the frequency and show that it is possible from the Athlon II X3 425 model to get a more productive processor even than Phenom II x4 965 Box Black EDITION (3400 MHz). In addition to unlocking, an effective method for increasing productivity has always been overclocked. The newly minted Phenom II X4 B25 (Athlon II X3 425) turned out to be dispersed to a stable frequency of 3600 MHz (acceleration 33%.). Thus, the Athlon II X3 425 processor has become equal to the speed of the still not represented Phenom II x4 975 (3600 MHz).

Recall that to unlock the processor, at a minimum, it is necessary to have a motherboard based on SB710 or SB750 southern bridge. You can also use some models of motherboards on NVIDIA system logic to unlock, which we have already reported to news.

In this case, the processor unlock was carried out on the Gigabyte GA-MA790X-UD3P motherboard. All that was needed to transform the processor is finding in the BIOS setting "Advanced Clock Calibration" to set the value "auto". Save bIOS settings And reboot PC.

Then in the same section of the Advanced Clock Calibration, you need to find "EC Firmware Selection" and select the "Hybrid" option.

Testing

Test stand:
Cooler - Zalman CNPS 9700 LED + ZM-CS4A
Motherboard - Gigabyte GA-MA790X-UD3P;
RAM - GOODRAM PRO GP900D264L5
Video card - MSI RADEON HD 4890 (R4890 Cyclone);
Drive - SAMSUNG HD252HJ;
Power supply - SEASONIC S12D-850.

It is significant that the performance gains from unlocking the Athlon II X3 425 processor in the 3DMark06 test was 25% and practically it is the Phenom II X4 925 chip. The dislaried and unlocked Athlon II X3 425 shows an excellent speed that will become available only after the processor of Phenom is available for ordinary users. II x4 975. Also notable are the results of tests SuperPI 1M, for which the amount of cache memory is important. In it, unlocked and dispersed Athlon II x3 425 with 6 MB of third-level kesh was released in 20 seconds!

Finally, we note that you should not forget that unlock is a lottery. There are cases when the core is unplugged, but it does not function steadily. Or it may turn out that the Athlon II X3 processor is based on the Propus crystal.

PCShop Group.

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