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Hyper-Threading - Whats the real story?

S

Shagga

Diamond Member
I've read a number of threads recently about this subject. Can anyone confirm the following.

Hyper-threading will be enabled "by default" in the up and coming release of the P4 3.0GHz processor.
P4's with the Northwood core (either B or C stepping) have the facility to have Hyper-threading enabled. This can be done via the BIOS. However, not all chipsets support Hyper-threading. I'm aware that the 850 does and 845G (I think it is G!)

What is the correct answer to this?

Cheers,

😉
 
Originally posted by: Shagga
I've read a number of threads recently about this subject. Can anyone confirm the following.

Hyper-threading will be enabled "by default" in the up and coming release of the P4 3.0GHz processor.
P4's with the Northwood core (either B or C stepping) have the facility to have Hyper-threading enabled. This can be done via the BIOS. However, not all chipsets support Hyper-threading. I'm aware that the 850 does and 845G (I think it is G!)

What is the correct answer to this?

Cheers,

😉
Click to expand...

I believe from what I've read lately (Fall IDF) that the 3.06GHz will be the first to have it 'on' by default. As for other CPUs that have it but don't use it, from what I recall it's a BIOS option. Is there a 3rd question in there that I'm missing?

Thorin

 
I got the impression it was disabeled in the CPU itself in the lower speedgrades, making it impossible to enable, never read into it that deep though, so maybe I just misunderstood?
 
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