Dates for specific Windows Logo Program requirements are defined on the web at http://www.microsoft.com/winlogo/hardware/.
Windows Logo Program requirements become effective in these ways:
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Operating System Support. Some requirements become part of the Windows Logo Program based on features in the operating system that the manufacturer preinstalls on the system.
For example, OnNow power management and multiple monitor support became Windows Logo Program requirements a few years ago when new support was introduced in Windows operating systems. These types of requirements depend on which operating system is preinstalled on the system. For example, in past years, a system with Windows NT 4.0 preinstalled was not required to fully support Windows Driver Model (WDM) requirements.
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Industry Advances. Some technical requirements are market driven and take time to become broadly adopted because of cost or development time.
Based on industry feedback about time-to-market issues identified during the review cycle, these technical advances become part of the Windows Logo Program requirements on a timetable that the majority of the industry has agreed is technically possible and cost effective.
To plan for Windows Logo requirements based on new operating system features, participate in Microsoft design reviews and beta testing programs.
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