In June 2008, Microsoft Corporation plans to make DirectX 10-compliant graphics cores compulsory for personal computers carrying the "Windows Vista Premium" logo. The software giant hopes to boost popularity of its new operating system among gamers and a new application programming interface among game developers. That means, if Microsoft gets its way, DirectX 9-compliant graphics cores will only be found inside low-cost "Windows Vista Capable" systems.
Currently, a "Windows Vista Capable" PC should include at least a 800MHz CPU, 512MB of system memory as well as a DirectX 9-compliant graphics processor. At the same time, "Windows Vista Premium" PC should feature at least a 1.0GHz microprocessor, 1GB of memory, a DirectX 9.0-compliant graphics adapter that supports pixel shader 2.0 with 32-bit precision and equipped 128MB of memory, 40GB hard disk drive with 15GB free space, DVD-ROM drive, audio output and Internet access capability.
News source: Xbit Laboratories