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Friday, March 6, 2009

Demand for triple-core AMD CPUs surge on reports that fourth core can be unlocked

According to Digitimes, motherboard makers have reported that sales of triple-core AMD Phenom II X3's have received a big boost in the last few days, following news that all four cores can be unlocked.
In what might have a been a very crafty marketing maneuver on AMD's part (or merely an opportunistic invention by motherboard makers), it turns out that certain new motherboards allow for the unlocking of 4 cores, on 3 core Phenom II's chips, with some simple changes in the BIOS.
Whether you'll be able to unlock a fourth core depends a bit on your luck of the draw. While this has been reported to work with many X3 chips, including ones from the Phenom II X3 710 and 720 Black Edition series, not all chips will be able to unlock, and even if you can unlock a fourth core, it may not be stable.
The fourth core can be unlocked by using the advanced clock calibration tool found in the BIOS of some AMD 790GX + SB 700 motherboards.

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