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Intel quietly released their new Pentium D/945 chipset, which includes DRM support:

“[The] 945g [chipset] supports DRM, it helps implement Microsoft’s DRM … but it supports DRM looking forward,” Tucker said, adding the DRM technology would not be able to be applied retrospectively to media or files that did not interoperate with the new technology.

However, Tucker ducked questions regarding technical details of how embedded DRM would work saying it was not in the interests of his company to spell out how the technology in the interests of security.

You can understand perhaps why they are trying to keep a lid on this.