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Guru3D.com » News » AMD Ryzen Won't Get Dedicated Windows 7 Drivers But Is fully Supported

AMD Ryzen Won't Get Dedicated Windows 7 Drivers But Is fully Supported

by Hilbert Hagedoorn on: 02/09/2017 05:30 PM | source: | 8 comment(s)
AMD Ryzen Won't Get Dedicated Windows 7 Drivers But Is fully Supported

A while ago we posted a news item that AMD would be fabbing specific Windows 7 drivers based on a report from computerbase. As it turns out, that is not the case. Ryzen processors however are supported and working on Windows 7. 

Considering that the Ryzen 8-core parts do not have an Integrated GPU, it actually could make sense. It is AMD themselves that confirmed this rumor, AMD also states that they have tested and validated Ryzen processors on a variety of operating systems, including Windows 7.

"To achieve the highest confidence in the performance of our AMD Ryzen desktop processors (formerly code-named "Summit Ridge"), AMD validated them across two different OS generations, Windows 7 and 10," AMD said in a statement. "However, only support and drivers for Windows 10 will be provided in AMD Ryzen desktop processor production parts," the company added. Last August, Microsoft said that Intel’s Kaby Lake and AMD’s Ryzen chips will officially be supported only under the company’s flagship Windows 10 operating system.

 

  

“As new silicon generations are introduced, they will require the latest Windows platform at that time for support,” a Microsoft spokeswoman said last August. “This enables us to focus on deep integration between Windows and the silicon, while maintaining maximum reliability and compatibility with previous generations of platform and silicon.” 

Windows 10 is Microsoft’s most hip OS, with support for the latest APIs and drivers, a dedicated base of gamers has stuck with Windows 7. If AMD supplied Ryzen drivers for Windows 7, all would be well: Windows 7 users could continue to game on their older, stabler OS.
  



AMD Ryzen Won't Get Dedicated Windows 7 Drivers But Is fully Supported




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schmidtbag
Senior Member



Posts: 7441
Joined: 2012-11-10

#5390677 Posted on: 02/09/2017 10:01 PM
Kind of an oxy-moron to say "no drivers for Windows 7" and "fully supports Windows 7". The CPU is x86; of course it will run Windows 7. That's why its based on that architecture. I have no doubt AMD (or Intel for that matter) could design something much better than a ~30 year old architecture that has been mutilated over the years, but it isn't within their interest to break backward compatibility. I'm sure even Windows 98 could run on Zen. But to be supported means it is tested and intentionally made to be fully functional.

This is why you'll find software that may say "supports Windows 7" but works fine on XP despite it not being supported. The reason is because if you're using XP and something goes wrong, it isn't supported, so the developers can just simply say "you aren't meeting our requirements, so we don't have to help you any further".

fry178
Senior Member



Posts: 1952
Joined: 2012-04-30

#5390710 Posted on: 02/09/2017 11:22 PM
Guess thats why they talk about "support", e.g. they don't want to have deal with troubleshooting some 10y old win 7 install running a zen chip, over the phone..

MadGizmo
Senior Member



Posts: 1396
Joined: 2008-06-09

#5390753 Posted on: 02/10/2017 01:33 AM
Kind of an oxy-moron to say "no drivers for Windows 7" and "fully supports Windows 7". The CPU is x86; of course it will run Windows 7. That's why its based on that architecture. I have no doubt AMD (or Intel for that matter) could design something much better than a ~30 year old architecture that has been mutilated over the years, but it isn't within their interest to break backward compatibility. I'm sure even Windows 98 could run on Zen. But to be supported means it is tested and intentionally made to be fully functional.

This is why you'll find software that may say "supports Windows 7" but works fine on XP despite it not being supported. The reason is because if you're using XP and something goes wrong, it isn't supported, so the developers can just simply say "you aren't meeting our requirements, so we don't have to help you any further".
When AMD talks about "support and drivers for Windows 10" then it does not necessarily mean end-user support. I read that as features supported by the CPU which need to be incorporated in the OS itself, like new instructions which often cannot be handled by a driver. Other features can be added to a driver, usually in more than one (in a so called "class driver", which is a collection of drivers for various subsystems in the SOC).

In short, the features which require changes to the OS itself, can only be made by MS. However, if Ryzen is backwards compatible then no "support and drivers" are required for older operating systems and they work just fine. I think that's the message.

David3k
Senior Member



Posts: 129
Joined: 2003-07-29

#5390788 Posted on: 02/10/2017 03:51 AM
I read that as features supported by the CPU which need to be incorporated in the OS itself, like new instructions which often cannot be handled by a driver.


CPU "Instruction Sets" can always be taken advantage of by a program without the need for the OS being "aware" of it; all the CPU's functions are always exposed when "asked" by a program.

While the OS itself CAN take advantage of CPU instruction sets, it doesn't need to support those instructions to allow programs to use it. OS "Support" for those instructions usually just means various parts of the OS can call on those instructions and take advantage of it, but unless they program a part of the OS to NOT function without those instructions (making it more a requirement than just "supported") it will always run.

Now, if Microsoft somehow plugs in a new update that will make Windows 7 check if a certain function or CPU generation is present then proceed to run worse or not run at all, that'd be outright sabotaging an existing product, and they'll not likely do this.

At any rate, previous versions of Windows will always continue to work on newer CPUs as long as nobody REMOVES any instructions and all the OTHER requirements for booting an older OS are met, like being able to use drive interfaces. (You can still install Windows 98 on some newer systems, but there has to be a "bios" either emulated by the UEFI or real, and an IDE mode for SATA ports)

Edit: As a simple example: Emulators I run in a Windows 7 test system can take take advantage of AVX2 despite the OS not having been updated to "accommodate" for it. ("support" for it wasn't patched in, the test system is SP1 and an offline system, so no updates)

MadGizmo
Senior Member



Posts: 1396
Joined: 2008-06-09

#5390901 Posted on: 02/10/2017 11:59 AM
CPU "Instruction Sets" can always be taken advantage of by a program without the need for the OS being "aware" of it; all the CPU's functions are always exposed when "asked" by a program.

Yes. Intrinsic functions, (inline) assembler code, linkers, etc., will probably support Ryzen sooner or later. However, this article is about the OS. I was limiting my comments to that.

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