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Does this chip have hyperthreading?

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Anonymous
a b à CPUs
June 12, 2005 6:06:28 AM

Archived from groups: comp.sys.ibm.pc.hardware.chips (More info?)

Does the P4 533mhz with 1 MB and sSpec number SL5PK
have hyperthreading? Intel's web page and retail
package don't mention it, so I assume not. How
could I find out for sure?

More about : chip hyperthreading

Anonymous
a b à CPUs
August 5, 2005 12:42:02 AM

Archived from groups: comp.sys.ibm.pc.hardware.chips (More info?)

"" wrote:
> Does the P4 533mhz with 1 MB and sSpec number SL5PK
> have hyperthreading? Intel's web page and retail
> package don't mention it, so I assume not. How
> could I find out for sure?

Yes ..Chips with 1Mb L2 cache are Prescotts and the 533 Prescott was
the first chip with hyper threading

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Anonymous
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August 5, 2005 1:11:10 PM

Archived from groups: comp.sys.ibm.pc.hardware.chips (More info?)

Captin <UseLinkToEmail@hardwareforumz.com> wrote:
> "" wrote:
> > Does the P4 533mhz with 1 MB and sSpec number SL5PK
> > have hyperthreading? Intel's web page and retail
> > package don't mention it, so I assume not. How
> > could I find out for sure?
>
> Yes ..Chips with 1Mb L2 cache are Prescotts and the 533 Prescott was
> the first chip with hyper threading

No, the first chips with hyperthreading were Xeons, and the first P4 with
hyperthreading was the 3.06ghz/533fsb Northwood P4, *well* before Prescott
was released. It was then in all the "C"/800FSB Northwoods.

Further, of the first-generation Prescotts, I believe HT was disabled in the
2.8ghz/533fsb and only enabled in the 800FSB models, but that may be mistaken.

--
Nate Edel http://www.cubiclehermit.com/

"I do have a cause, though. It is Obscenity. I'm for it." - Tom Lehrer
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Anonymous
a b à CPUs
August 25, 2005 5:37:36 AM

Archived from groups: comp.sys.ibm.pc.hardware.chips (More info?)

"" wrote:
> Does the P4 533mhz with 1 MB and sSpec number SL5PK
> have hyperthreading? Intel's web page and retail
> package don't mention it, so I assume not. How
> could I find out for sure?

Yes,

The 533 chips with 1Mb cache are Prescotts with Hyperthreading
The 533 with 512Mb of L2 cache is a Northwood core without H/T

Both the Northwood and Prescott chips with a 800mhz FSB also had
hyperthreading

--
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Anonymous
a b à CPUs
August 26, 2005 12:55:53 AM

Archived from groups: comp.sys.ibm.pc.hardware.chips (More info?)

Captin <UseLinkToEmail@hardwareforumz.com> wrote:
> The 533 with 512Mb of L2 cache is a Northwood core without H/T

Except the 3.06 533FSB, which did have HT (and was the first non-Xeon to
offer it.)

--
Nate Edel http://www.cubiclehermit.com/

"I do have a cause, though. It is Obscenity. I'm for it." - Tom Lehrer
!