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Boxed 533MHz FSB Dothans spotted

By Derek Sooman

On January 12, 2005, 11:10 AM

A week before they were due to be introduced, Intel Pentium M processors with support for a 533MHz frontside bus have been spotted on sale in Japan. Now that "Sonoma" - the next generation of Intel's Centrino platform - is shortly on its way, it looks like Intel have been shipping key components to PC makers in order for them to use them in their systems.

Central to Sonoma is the 'Alviso' chipset, which will initially be made available in two forms, the discrete 915PM and the integrated 915GM. Alviso began shipping in December 2004. A key feature is support for a 533MHz FSB, up from the original Centrino's 400MHz bus, so it was only a matter of time before boxed 533MHz Pentium Ms appeared.

Features include the 'no execute' bit, which when used with Windows XP SP2 can prevent some viruses running from 'data only' memory, and of course 2MB of L2 cache. The new chips are clocked at 1.60, 1.73, 1.86 and 2.00GHz.

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