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Intel announces Pentium 4 stepping changes

Plus 805 D ready to roll with huge rebate
Sun Jan 29 2006, 10:37
WE TOLD YOU in our last major Intel roadmap review of breeds of Pentium 4 numbered 631, 641, 651 and 661. These were slipped out quietly under the noise generated by Viiv and the Apple-Intel announcements earlier this year.

Now chip giant Intel has notified its OEM customers of stepping changes and samples of the chips using the new cores will be available towards the end of February, the INQ understands.

The stepping change is from B-1 to C-1 and means support for power management features such as a better HALT state, EIST (Enhanced Intel Speedstep Technology) as well as Thermal Monitor II. Naturally, the C-1 stepping is pin compatible with the B-1 stepping, but the CPUID will move from F62 to F64.

The 661 is a 3.6GHz MPU, the 651 a 3.4GHz chip, the 641 is a 3.2GHz microprocessor, while the 631 is a 3GHz CPU. These are Cedar Mill cores. They supersede the 6x0 series of CPUs.

Meanwhile, we understand that the Pentium 805 D for Different will reach the marketplace on the 12th of February. This is a 2.66GHz "performance desktop" processor with a clock speed of 2.66GHz, and 2X1MB cache. And while it has a list price of $225, there will be rather extraordinary back end rebates for distributors of $75 or so, meaning that the net price will only be around $150 for so.

Intel hopes that this will accelerate the progress of the 805D and the rebate will only be available "while stocks last". µ


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