Xmp RAM what. MSI's A-XMP Technology Enables AMD Ryzen to Run Fast Memory Modules

Hello admin, tell me How to use the XMP profile of RAM? I have in system unit installed Intel processor Core i7-3770, bought the corresponding Kingston HyperX KHX1600C9 D3/4GX memory for it, as I understand from the letter with the number “C9” indicate timings 9-9-9-27.

Also, on all sites where they sell exactly this memory, the characteristics indicate the following numbers: 9-9-9-27,

But what’s interesting is that after installing the RAM in the computer, I launch the CPU-Z program, go to the Memory tab and it shows completely different timings 11-11-11-28,

But there is also an SPD tab that shows the factory characteristics of the memory and there you can see that the bar can work with faster timings 9-9-9-27?

How can I make the RAM sticks work with the timings indicated in its characteristics? The internet says what to include in XMP memory profile in BIOS, but how to do it?

Hello friends! So that you understand everything, I will briefly explain what timings are and what XMP - eXtreme Memory Profiles ("extreme memory profiles") are.

Timings ( signal time delay) or time that RAM spends on processing information, the smaller they are, the faster the RAM works.

An XMP profile is a set of data about the extended and non-standard capabilities of a specific RAM module ( frequencies, timings, voltages), this information is located on the RAM bar itself in a special chip! At the initial stage of computer boot Motherboard BIOS the board reads this information and the RAM runs at optimized frequencies and timings in the profileXMP, of course you need it for this support for XMP technology on the motherboard.

Almost all new motherboards are capable of using the profile XMP using BIOS settings (it is not enabled by default). If the XMP profile is not enabled, then motherboard sets standard frequencies, timings and voltage in accordance with its factory specifications.

Let's work with you to enable the XMP memory profile in the BIOS of the ASUS motherboard

On my work computer I have the same processor and the same RAM as our reader.

We enter the BIOS and go to the tab Ai Tweaker

Here we need an option AI Overclock Tuner, we have it in Auto This means the XMP profile is not enabled, click on Auto with the left mouse and select in the menu that appears X.M.P..

As we can see, we managed to use the X.M.P profile and the RAM will now work with higher timings.

Immediately after the release of any new processor platform, be it AMD or Intel, some problems are discovered in it. New AMD processors Ryzen was no exception. Among other things, they do not yet “know how” to work with RAM modules with high clock frequency, and also have problems with memory overclocking. For example, our observer conquered the frequency of 2666 MHz, but at 2933 MHz the matter did not go beyond POST.

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We hope 3200 MHz is not the limit.

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MSI decided to please users of its motherboards with processor socket Socket AM4 and introduced a technology for them called A-XMP. This technology not only provides overall better compatibility for Ryzen processors with different memory modules, but also allows them to work with “fast” DDR4 memory sets.

Support new technology All MSI boards with Socket AM4 processor socket will receive BIOS updates, which MSI promises to release in the near future. It is reported that A-XMP technology automatically sets optimal settings, thereby providing best performance and stability. Let's hope that soon other manufacturers will follow MSI's example, or AMD itself will pair its processors with high-performance memory sets.

And there I mentioned the phrase “XMP RAM profile”. Today I will reveal the meaning of this definition and explain a few points.

Let's say you have a RAM module that works with timings 9-9-9-27 . The letter with the number C9 in the description of the module proves just this. If you look at the characteristics of the module on the Internet, you can see exactly the same numbers - 9-9-9-27.

If you install such a bracket in your computer and run the CPU-Z program, and then go to the tab "Memory", then it’s possible that there will be timings 11-11-11-28

And if you go to the tab "SPD", then the timings will be indicated there, as written in the specifications for the module, that is, 9-9-9-27.

So, how can you make the RAM work at the timings specified in the specifications?

This is why there is a so-called XMP profile, which we will talk about now.

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How to enable XMP profile?

If you don’t yet know what timings and the XMP profile (extreme memory profiles - eXtreme Memory Profiles) are, then I’ll explain now.

Timings– this is the time that RAM spends processing data; the shorter the timings, the faster the RAM works.

XMP profile– these are the advanced capabilities of the module, these capabilities include frequencies, timings and voltage. All this information is located on the module itself. When the computer boots, the BIOS sets optimized frequencies and timings that are in the XMP profile, however, it must support this technology.

Basically, modern motherboards support this technology and you can configure it through the BIOS, because, usually, it is not enabled by default. If the XMP profile is not enabled, then the motherboard will set the frequency, timing and voltage as standard, in accordance with the factory parameters.

Now let's try to enable the XMP profile through the BIOS. The ASUS motherboard is taken as an example.

So, let's say we have a memory module the same as was described at the beginning of the article.

And we find the tab.