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Clock Rate Record With The P4: 5.25 GHz At -196°C

5 GHz Project: CPU Cooling With Liquid Nitrogen
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The image above shows the result of the extreme overclocking. We gradually raised the FSB clock rate from 200 MHz (standard) to almost 310 MHz. Intel’s marketing strategists would no doubt term this FSB1233.
This is the clock rate we achieved with the P4. At this clock rate, however, benchmark tests were no longer possible.This is the clock rate we achieved with the P4. At this clock rate, however, benchmark tests were no longer possible.
After an hour's operation, ice crystals formed on the modules around the CPU heat sinkAfter an hour's operation, ice crystals formed on the modules around the CPU heat sink


Ice-cold: temperatures on the cooling head are now lower than -190°CIce-cold: temperatures on the cooling head are now lower than -190°C
Filling the buffer container during the testFilling the buffer container during the test

Pouring the liquid nitrogen into the CPU cooling headPouring the liquid nitrogen into the CPU cooling head
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