New with the Santa Rosa chipset is a feature called Intel Turbo Memory, which is flash-based memory designed to cache data, and allow the hard drive to spin down, thus saving energy and extending your battery life.  AnandTech tries it out to see just what effect it has, if any.  As well they contrast it with Vista's RedayBoost technology, which while similar focuses more on performance enhancement than battery extension.

"The one unique feature that Santa Rosa offered that no other competing mobile platform, Intel or not, could bring to

the table was a technology called Turbo Memory. An on-motherboard flash card, Intel's Turbo Memory is designed to act

as another layer in the memory hierarchy, caching data where possible and improving performance/battery life in

notebooks. A version of Turbo Memory will also be released for the desktop, but we're most interested in what it can

do for notebooks."

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