P4 a

I have seen several ads that have an "a" next to the cpu speed i.e. P4 2.0a.
What does the "a" mean???
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  1. It means it's a Northwood based on the .13u process and 512K L2 cache. It's a much better o/cer than the non *A* P4, and it's also faster.

    <i>Past mistakes may make you look stupid, but avoiding future ones will make you look smart!</i>
  2. By the way when you come across the 'b' after the p4 it means its on the 133 quad pumped fsb so 533.
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