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... release has been pulled forward to the middle of the second quarter?or in other words, probably some time in May. The Pentium chips are expected to be dual-core offerings clocked at 1.6GHz and 1.8GHz with an 800MHz front-side bus and 1MB of cache, while the Celerons should be single-core chips with a 533MHz front-side bus and 512KB of cache.