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August 10th, 2005 00:00
does the intel 5x1 processors have EM64T
i read somewhere that the 5x1 series intel processors in dells add the 64 bit capability, it just doesnt have the 2mb cache like the 6xx series. but i dunno if its true or not, just wondering if i can get a confirmation of that... thanks
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rick000
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August 10th, 2005 00:00
Intel's first processor to actively implement the EM64T technology is the processor codenamed Nocona, and is being sold as Intel's latest multiprocessor Xeon. Since the Xeon itself is directly based on Intel's desktop processor, the Pentium 4, the Pentium 4 also has EM64T technology built in, although as with Hyper-Threading, this feature was not initially enabled on the then-new Prescott design, likely because Intel had not yet perfected it at the time. Intel has since begun selling EM64T enabled Pentium 4's using the E0 revision of the Prescott core, being sold on the market as the Pentium 4, model F. The E0 revision also adds eXecute Disable(XD) support to EM64T, Intel's name for the NX bit, and should be backported in to the Nocona design soon. All 8xx/6xx/5x6/5x1/3x6/3x1 series CPU's have EM64T enabled, as will all future Intel CPUs.
As of June 2005, none of Intel's notebook CPUs (the "Pentium M" family, the "Celeron M" family, or the Mobile Intel Pentium 4 processors) support EM64T. The first Pentium M derivative supporting EM64T will be the dual core Merom targeted for mid-2006.
Click this link
http://en.wikipedia.org/wiki/EM64T
Message Edited by rick000 on 08-10-2005 07:33 PM
shaxl
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August 10th, 2005 20:00
silz
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April 11th, 2006 09:00
Message Edited by silz on 04-11-200605:24 AM
silz
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April 11th, 2006 09:00
Message Edited by silz on 04-11-200605:25 AM