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Intel Halts Certain UEFI BIOS Class Level 2 Compatibility Modes In 2020
Intel will halt UEFI bios compatibility class 0, 1 and 2 support in 2020. From that moment onwards only UEFI class 3 will be supported. This means that Intel platforms cannot boot through the Compatibility Support Module mode, and that's a problem for dual OS boot systems.
Intel this way pretty much halts the traditional legacy BIOS support. The CSM provides additional functionality to UEFI. This additional functionality permits the loading of a traditional OS or the use of a traditional OpROM The news reached the webs though Brian Richardson, a developer at Intel. Recently he held a presentation on the topic at the UEFI Plugfest in Taiwan, reports tweakers today.
According to Brian the compatibility mode is still here as people want to bypass say the secure boot method, or have multi-OS boot settings. An advantage to discontinue the CSM support is that it will make room in the firmware for other stuff, initially, the BIOS would get significantly smaller in file-size. Also security-wise, the step would make a lot of sense.
Starting 2020 Uefo Class 3 will be the new standard at Intel, with secure boot enabled.
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TieSKey
Senior Member
Posts: 180
Joined: 2015-09-26
Senior Member
Posts: 180
Joined: 2015-09-26
#5493209 Posted on: 11/17/2017 02:45 PM
I disabled CSM after I upgraded from Win7 to Win8.1.
I don`t understand about what greed DLD writes.
To be a little more concise than DLD (although I agree 100% with what he is saying :p).
There is still a bunch of OSes with no UEFI support, some old ones like XP some not that old. If csm is removed from the bios u won't be able to boot those OSes, period.
Then there is the "secure" boot mess.... "secure" boot makes it so only digitally signed code can be booted to. The problem here is that code has to be signed against a pre-installed certificate in the bios itself (installing custom certificates is usually locked out or very, very inconvenient) and the original owner of the certificates is MS. Is up to the mb manufacturers to include more certificates but they are not immune to external pressure, if Intel wants it, it can "convince" them to only ship X certificate or the chipset will be more expensive/refuse to work at all.
As an example, upon the release of UEFI a couple years ago, Ubuntu (a linux distribution) had to reach to MS to sign they own code..... that's a monopolistic, greedy and very dangerous situation that consumers should avoid at all costs.
Edit: Interesting read: https://blog.hansenpartnership.com/adventures-in-microsoft-uefi-signing/
I disabled CSM after I upgraded from Win7 to Win8.1.
I don`t understand about what greed DLD writes.
To be a little more concise than DLD (although I agree 100% with what he is saying :p).
There is still a bunch of OSes with no UEFI support, some old ones like XP some not that old. If csm is removed from the bios u won't be able to boot those OSes, period.
Then there is the "secure" boot mess.... "secure" boot makes it so only digitally signed code can be booted to. The problem here is that code has to be signed against a pre-installed certificate in the bios itself (installing custom certificates is usually locked out or very, very inconvenient) and the original owner of the certificates is MS. Is up to the mb manufacturers to include more certificates but they are not immune to external pressure, if Intel wants it, it can "convince" them to only ship X certificate or the chipset will be more expensive/refuse to work at all.
As an example, upon the release of UEFI a couple years ago, Ubuntu (a linux distribution) had to reach to MS to sign they own code..... that's a monopolistic, greedy and very dangerous situation that consumers should avoid at all costs.
Edit: Interesting read: https://blog.hansenpartnership.com/adventures-in-microsoft-uefi-signing/
DLD
Senior Member
Posts: 881
Joined: 2002-09-14
Senior Member
Posts: 881
Joined: 2002-09-14
#5493215 Posted on: 11/17/2017 03:18 PM
TieSkey>>>Spot on!
The general tendency in the contemporary world: small people getting smaller and big brother is getting bigger. Companies show less and less care about customers' needs and demands. Society is being more and more supervised, controlled, directed, instructed on what to do, how to feel... H. David. Thoreau, Jack London, F. Kafka, Aldous Huxley, George Orwell (to name a few) alarmed us in time, but the inherent logic and the dynamics of the development of the civilization are hard to beat.
TieSkey>>>Spot on!
The general tendency in the contemporary world: small people getting smaller and big brother is getting bigger. Companies show less and less care about customers' needs and demands. Society is being more and more supervised, controlled, directed, instructed on what to do, how to feel... H. David. Thoreau, Jack London, F. Kafka, Aldous Huxley, George Orwell (to name a few) alarmed us in time, but the inherent logic and the dynamics of the development of the civilization are hard to beat.
SSD_PRO
Senior Member
Posts: 178
Joined: 2013-02-07
Senior Member
Posts: 178
Joined: 2013-02-07
#5493216 Posted on: 11/17/2017 03:20 PM
You refer to Ballmer or shareholders in general? I assume not Gates since he isn't the largest single shareholder in MS anymore... Ballmer is. I am not sure which one looks more like a butterfly or pickpocket.
This is simple stuff - if you want to use Linux, use it. If you want to use Windows, use it. I don't understand why there is any need to whine or fight. If you can't do what you need to do with one OS you need to sort out your own issues.
Because that miserable, butterfly-looking pickpocket who owns m$ got obsessed with the idea of ruling the world, that's why...
You refer to Ballmer or shareholders in general? I assume not Gates since he isn't the largest single shareholder in MS anymore... Ballmer is. I am not sure which one looks more like a butterfly or pickpocket.
This is simple stuff - if you want to use Linux, use it. If you want to use Windows, use it. I don't understand why there is any need to whine or fight. If you can't do what you need to do with one OS you need to sort out your own issues.
kruno
Senior Member
Posts: 258
Joined: 2017-09-25
Senior Member
Posts: 258
Joined: 2017-09-25
#5493218 Posted on: 11/17/2017 03:38 PM
You refer to Ballmer or shareholders in general? I assume not Gates since he isn't the largest single shareholder in MS anymore... Ballmer is. I am not sure which one looks more like a butterfly or pickpocket.
This is simple stuff - if you want to use Linux, use it. If you want to use Windows, use it. I don't understand why there is any need to whine or fight. If you can't do what you need to do with one OS you need to sort out your own issues.
Well that is a problem you see,i am using other OS (linux) and older win7(for games) in dual boot.What this news mean is that of 2020 i probably would not be able to do that.Granted even today with that "secure boot" is major hassle because there is just one certified vendor of secure OS and that is of course Microsoft,and before you tell me that is other OS's fault for not certifying they can't,read around Web for better understanding situation.
You refer to Ballmer or shareholders in general? I assume not Gates since he isn't the largest single shareholder in MS anymore... Ballmer is. I am not sure which one looks more like a butterfly or pickpocket.
This is simple stuff - if you want to use Linux, use it. If you want to use Windows, use it. I don't understand why there is any need to whine or fight. If you can't do what you need to do with one OS you need to sort out your own issues.
Well that is a problem you see,i am using other OS (linux) and older win7(for games) in dual boot.What this news mean is that of 2020 i probably would not be able to do that.Granted even today with that "secure boot" is major hassle because there is just one certified vendor of secure OS and that is of course Microsoft,and before you tell me that is other OS's fault for not certifying they can't,read around Web for better understanding situation.
Click here to post a comment for this news story on the message forum.
Member
Posts: 29
Joined: 2016-12-16
What would make sense security-wise is to drop UEFI, not legacy BIOS…
Anyway that’s another reason not to buy Intel hardware anymore. I just hope AMD doesn’t follow too quickly
And yeah, not too fond of secure boot either, as a Linux user.