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Enabling hyperthreading

J

Jimmy the Greek

Gawd
Joined
Aug 20, 2002
Messages
657
I'm have a P4 2.4 that has hyperthreading available but disabled, yet I can't find any option in my BIOS (or is it CMOS?) menu to change its status. Am I out of luck, or is there another way to change it?
 
To enable HT:

1) Need cpu that has HT. What verson of P2.4 do you have, A, B, C?

2) MB that supports HT. What MB do you have and bios version?

3) OS that supports HT. What OS are you using?
 
I have a P4 2.4B. Upon perusing the Intel website, I guess that disqualifies me from HT capability.

It's odd how 3DMark03 lists my processor as "HyperThreadingTechnology Available - Disabled" though.
 
Originally posted by Jimmy the Greek
I have a P4 2.4B. Upon perusing the Intel website, I guess that disqualifies me from HT capability.

It's odd how 3DMark03 lists my processor as "HyperThreadingTechnology Available - Disabled" though.
Click to expand...

Actually, Hyperthreading was introduced with the original Northwood, but it was switched off in the processor. The only Northwood-B that supports HT and has it switched on is the P4 3.06B.

All Northwood-Cs (and all Prescotts 800 MHz and faster) have HT enabled by default. (Surprisingly, Intel will ship some 533 MHz FSB Prescotts *without* HT, but I have no idea why!)
 
PCHammer has got it right. Northwoods always had Hyperthreading. Something that some older boards refer to as "Jackson Technology" I don't know where that name came from.

It is also correct that the only "B" Northwood to have it is the 3.06B chip. Which I have. I would have preffered a "C" but I got the chip for $125.00 boxed with the fan. Plus having the 533MHz bus means I can overclock it pretty easily. Otherwise I would have rather gone for the 3.0C.
 
Originally posted by Sir-Fragalot
PCHammer has got it right. Northwoods always had Hyperthreading. Something that some older boards refer to as "Jackson Technology" I don't know where that name came from.

It is also correct that the only "B" Northwood to have it is the 3.06B chip. Which I have. I would have preffered a "C" but I got the chip for $125.00 boxed with the fan. Plus having the 533MHz bus means I can overclock it pretty easily. Otherwise I would have rather gone for the 3.0C.
Click to expand...

While that's half the price compared to *some* retail pricing for a Northwood C, you got hosed, I'm afraid. Most e-tailers (even most *retailers*) charge less than double that for a 2.6 Northwood C (which your 800 Deluxe *will* swallow with the 1015 and later BIOS) which has HT enabled.

Your 800 Deluxe has the following differences from my 800E Deluxe:

1. Different southbridge (ICH5 for the 800 vs. ICH5R for the E).
2. Different NIC (3Com vs. Intel)

And that's it.
 
WTF are you talking about? I realize the differences between the P4C800 Deluxe and P4C800-E Deluxe. What the hell does that matter, or have to do with the discussion here?

When I purchaced the P4C800 Deluxe there wasn't a P4C800-E at all. Didn't exist yet.

The $125 3.06 was purchased about 2 or 3 months ago and was half of the BEST price I could find. The pricing is different now. So I don't see how I got hosed.

I don't use the RAID implimentation at all. I need the storage space and I prefer it to be on seperate volumes rather than one stripped volume. So the real advantages of the P4C800 vs. P4C800-E will NOT be realized in my current configuration. As we know from the HardOCP article on the P4C800 Deluxe we know that the RAID performance of the integrated Promise controller isn't anything special at all.

Next I replaced a 2.4C that I had horrid luck overclocking. It wouldn't post higher than 2.6GHz and was barely stable at that. So the 3.06B was a easy upgrade for a good price at the time.

I mentioned that the 3.0C is the choice I would have definatley made if the money was about the same for both chips.

The 2.6C wasn't a good upgrade for more money without me being CERTAIN that it would overclock to at least 3+GHz.

I don't buy chips on the off chance that they will or will not OC. I buy a chip whose performance is good enough at stock speeds to keep me happy. Anything I get it to do past that is BONUS. Nothing more.

Theres my freaking $0.02 on the matter. I don't have a damn clue why my motherboard was brought up in the conversation.
 
I am relaxed. :D I just didn't understand why my purchasing decision was attacked. Nor did I understand what the hell my motherboard had to do with anything.

533MHz bus chip on a 800MHz FSB board=able to increase the FSB of the 533MHz FSB processor WITHOUT running anything EXCEPT the proceessor out of spec. Therefore creating a very easy and safe overclock.

Not the best choice mind you. Overclocking an 800FSB CPU will yield much better performance results. But for around $100 at the time the chip was a bargain. And outperforms my old CPU easily.
 
Do you have a stressful life or something? lol. I remember when you were quite high strung because you were having problems with a system and you were pissed at the intel mobo you had:p
 
That motherboard wasn't mine. It was for a friends machine. That was a stressful situation. This is minorly annoying.

It's not that big a deal. It just seemed to me like someone was bashing my computer system in a pissing contest that had nothing to do with anything. That kind of crap DOES piss me off.

I've calmed down now and all is well. I've said my peace on the subject and it is done.
 
Originally posted by Sir-Fragalot
That motherboard wasn't mine. It was for a friends machine. That was a stressful situation. This is minorly annoying.

It's not that big a deal. It just seemed to me like someone was bashing my computer system in a pissing contest that had nothing to do with anything. That kind of crap DOES piss me off.

I've calmed down now and all is well. I've said my peace on the subject and it is done.
Click to expand...

If I piss you off enough, will you go beat up a brother 'n law that lives in Lewisville for me?? :p

He never responds to phone calls or emails, and really pisses me off. However, I don't have the patience to drive 12hours. You're much closer :D
 
Originally posted by Sir-Fragalot
That motherboard wasn't mine. It was for a friends machine. That was a stressful situation. This is minorly annoying.

It's not that big a deal. It just seemed to me like someone was bashing my computer system in a pissing contest that had nothing to do with anything. That kind of crap DOES piss me off.

I've calmed down now and all is well. I've said my peace on the subject and it is done.
Click to expand...

I was referring to the *processor* decision...not the motherboard. (In fact, I pointed out that the diffs are *miniscule* between the two mobos.)

At current pricing, I find it hard to recommend *any* non-HT processor...to *anyone* (as far as Intel goes).
 
The 3.06 is a hyperthread CPU. I agree that any non-HT cpu isn't worth getting.

If I missunderstood what you were saying I apologize.
 
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