An update made to Windows documentation reveals that devices that will come with Windows 10X preinstalled with support the Modern Standby option. This will allow them to instantly turn on like smartphones do.
Modern PCs use a new power efficient technology, known as S0 Low Power Standby, or Modern Standby.
It is a special Sleep State that enables an instant on / instant off user experience, similar to smartphone power models. Just like the phone, the S0 low power idle model enables the system to stay up-to-date whenever a suitable network is available, enabling updates and notifications being processed by the OS. This will play well with Windows 10X and its UWP apps.
Although Modern Standby enables an instant on/off user experience like Connected Standby, Modern Standby is more inclusive than the Windows 8.1 Connected Standby power model. Modern Standby allows for market segments previously limited to the S3 power model to take advantage of the low power idle model. Example systems include systems based on rotational media and hybrid media (for example, SSD + HDD or SSHD) and/or a NIC that doesn’t support all of the prior requirements for Connected Standby.
According to Microsoft, Windows 10X laptops will have full support for Modern Standby.
The number of systems supporting Modern Standby rather than S3 is increasing over time. The Modern Standby section outlines important changes, partner requirements, and best practices for enabling Modern Standby.
Note
Modern Standby is available for both Windows 10 desktop and Windows 10X.
Switching between S3 and Modern Standby cannot be done by changing a setting in the BIOS. Switching the power model is not supported in Windows without a complete OS re-install.
Windows 10X will get its production-ready build in December 2020, and Microsoft is about to start shipping the first devices in North Amrerican Spring 2021. As you may remember, the initial release of the OS won't include classic Win32 Desktop app support, so Microsoft may probably launch the Cloud PC app streaming service around that time to bring more apps to the OS.
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