Intel's 12th generation processor 'Alder Lake' talks about the revival of turbo buttons



In October 2021, Intel officially announced the 12th generation Core processor,

Alder Lake. The Alder Lake generation of processors has revived the 'turbo button ' that used to be on PCs with Intel processors, according to Technology Media's The Register.

The return of the Turbo button • The Register
https://www.theregister.com/2021/11/05/turbo_button/

PCs equipped with Intel processors such as the Intel 80286 , Intel 80386 , and Intel 80486 , which were distributed from the mid-1980s to the mid-1990s, had a button called a turbo button that changed the operating frequency band of the processor. This turbo button was implemented primarily to address program malfunctions that depend on the operating frequency of the CPU, especially bugs that make the game unplayable.

The Register reports that such a turbo button also exists in PCs equipped with the latest Intel processors. Furthermore, unlike the former turbo button, there is no need for a dedicated physical button, and it seems that it can be activated and released simply by pressing the Scroll Lock (ScrLK) key on the keyboard.



Alder Lake is equipped with two types of cores, a high-performance core 'Golden Cove' that consumes a lot of power and a high-efficiency core 'Gracemont' that consumes less power. I'm trying to improve. This high-efficiency core 'Gracemont' follows the flow of mont-based CPU core design, which Intel positions as a power-saving design, and is a core design that has been adopted for low-power Atom-based processors.

For games that require high performance, it is necessary to check the specifications of the PC installed at the time of play, check whether the system requirements are met, and if it does not meet the system requirements, inform the user of that fact. When a game that requires such high performance is played on a PC equipped with Alder Lake, the game misunderstands the high-performance core and the high-efficiency core as 'processors installed in different PCs', and the game plays. It seems that it will not be possible.

Report that more than 50 DRM-adopted games cannot be played on PCs equipped with Intel's 12th generation Core processor 'Alder Lake' --GIGAZINE



Intel is also aware of this issue and has released a troubleshooting question, 'Why do some games crash on 12th generation Intel Core processors?'

Why do some games crash on 12th Generation Intel® Core ™ Processors?
https://www.intel.co.jp/content/www/jp/ja/support/articles/000088259/processors/intel-core-processors.html



Intel offers a 'legacy game compatibility mode' as a solution to this problem. With Legacy Game Compatibility Mode enabled, you can play games that you can't play in Alder Lake by simply pressing the Scroll Lock key on your keyboard.

Some users started making noise that 'Scroll Lock key is a new turbo button' because it can make it possible to play games that can not be played, although it does not actually improve CPU performance.



The Register also reported that 'the turbo button is back in Alder Lake.'

Regarding the problem that some games can not be played on Alder Lake-equipped PC, Intel explained that 'a patch will be applied in the update of Windows 11 in mid-November', and in legacy game compatibility mode The response is only temporary, and it is expected that the turbo buttons that have been revived in modern times will soon be discontinued.

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in Hardware,   Game, Posted by logu_ii