Industry Advances. Some technical requirements are market driven and take time to become broadly adopted because of cost or development time.
Such technical advances are introduced as proposed guidelines in the Design Guides (jointly authored by Microsoft Corporation and Intel Corporation). Based on industry feedback about time-to-market issues identified during the Design Guide 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.
Some technical advances proposed in the PC and Server Design Guides include support for features in yet-to-be-released versions of Windows operating systems. For example, Advanced Configuration and Power Interface (ACPI) support was required in the Design Guides before ACPI-capable versions of Windows were available.
In special cases such as ACPI, the Logo Program requires design changes in advance of the availability of the operating system in order to ensure value in the installed base of PCs for future operating system upgrades. Actual requirements and effective dates under the Windows Logo Program are based on consensus from industry review to ensure that the platform advances can be made at an acceptable cost and in a reasonable time frame.
To plan for Windows Logo requirements based on new operating system features, participate in Microsoft design reviews and beta testing programs. For more information about how to plan and design systems that ensure operating system compatibility and that comply with Windows Logo Program requirements, see Appendix C, "Designing for Success."
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