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Disabling Hyper-Threading??

A

afm_canuck

n00b
Joined
Jun 9, 2004
Messages
26
Curious as to what the performance drop would be if you disable hyper-threading on a CPU that otherwise runs with it. Like suppose I took my Pentium4 2.4c processor and changed the bios setting to disable hyper-threading... would I notice a difference??

Reason why I'm asking is that because there is a known issue with Microsoft of TV Tuner cards freezing up with Windows XP and Hyper-Threading processors. Currently there's no fix for it, it says in the knowledge base that you can call Microsoft and they can send you a file that supposed to fix it but I read a couple instances where the rep. didn't know about it either... One is supposed to be released soon, although they've been saying this for a while now!

Suggestions/Insight anyone??
 
afm_canuck said:
Curious as to what the performance drop would be if you disable hyper-threading on a CPU that otherwise runs with it. Like suppose I took my Pentium4 2.4c processor and changed the bios setting to disable hyper-threading... would I notice a difference??

Reason why I'm asking is that because there is a known issue with Microsoft of TV Tuner cards freezing up with Windows XP and Hyper-Threading processors. Currently there's no fix for it, it says in the knowledge base that you can call Microsoft and they can send you a file that supposed to fix it but I read a couple instances where the rep. didn't know about it either... One is supposed to be released soon, although they've been saying this for a while now!

Suggestions/Insight anyone??
Click to expand...


Your wont lose anything unless your multi tasking like crazy, or video encoding then trying to do something else. Especially software encoding, You'll start dropping frames. My AMD 64 rig @ 2.85ghz is faster for encoding, But i cant do anything on it or it slows down like crazy.
 
toms hardware guide made a video with a 3.6 p4 with ht disabled and 3.2p4 with enabled. guess which one won?
 
I see no reason to turn it off... it's not like it hurts your performance. :p
 
I don't want to turn it off.... just that there's an issue with hyper-threading technology and tv tuners currently that Microsoft is aware of....

they're supposed to fix it in SP2 whenever that's gonna come out...

on a positive i downloaded a tunerfix file from the net after searching for a long time and so far so good with hyper-threading...
 
it will hurt your performance rarely so most people leave it on and you should too. It helps utilize some of the unused power of the Pentium 4
 
LOL.. are you people listening to what the dude is saying.. he has to turn it off cause it screws with his TV program.. lol..

I don't think you will see a big loss in performace.. but i would try and leave it on as much as possible (when you're not using that TV tuner)...
 
RancidWAnnaRIot said:
LOL.. are you people listening to what the dude is saying.. he has to turn it off cause it screws with his TV program.. lol..

I don't think you will see a big loss in performace.. but i would try and leave it on as much as possible (when you're not using that TV tuner)...
Click to expand...

Oops... I am skimming too much. I do that when I am tired. Yeah sorry. Good luck though!
 
Thanks Rancid, I was starting to worry there that people weren't clueing in :confused:

But this file I downloaded seems to be doing the trick, but thanks to everyone for the comments nonetheless, help is help either way the way I see it! Thanks!
 
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