LAST SUMMER INTEL started sampling Pentium 4 processors with Hyperthreading. At the time the chips came in 2.53GHz and 2.8GHz varieties. Since then, the only Pentium processor with Hyperthreading enabled to appear on the shelves has been the 3.06GHz Pentium 4. But suppose that much cheaper processors also had Hyperthreading on them, just disabled. And what if the thing disabling the Hyperthreading also set the processor clock speed?
Surely Intel doesn't have one production line for the top-of-the-range Hyperthreading enabled processor and another for rest of its chips? It just wouldn't make sense. The hunt for a way to enable Hyperthreading on processors further down the marchitecture scale was on. Pin modification was the first thing that was tried but to no avail. Time passed.
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