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hackset
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 Posted: Mon Aug 18, 2008 4:17 am Post subject: Dual processor -> single processor |
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After reformatting my computer numerous times due to a viruses, my computer only appears to have 1 processor when it should be duo...
Anyone know what the hell happened to my other processor?
I don't think it grew legs and ran away so... 
System:
Microsoft Windows XP
Home Edition
Version 2002
Service Pack2
Computer:
Intel[R]
Pentium[R] 4 CPU 3.2GHz
3.19GHz, 0.99GB of RAM
Phtsical Address Extension
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Noz3001
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| Posted: Mon Aug 18, 2008 4:19 am Post subject: |
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P4 is single core 
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hackset
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| Posted: Mon Aug 18, 2008 4:20 am Post subject: |
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| Yeah, but it was duo before...
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Cheetah
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| Posted: Mon Aug 18, 2008 4:23 am Post subject: |
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First off, it's dual processor, not duo.
Secondly, the p4 is single core, dual threaded. The reason you saw two "cores" before was because of HyperThreading, which is a useless gimmick that generally does nothing or only makes performance worse.
tl;dr? It's fine the way it is now.
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KD5EEJ350
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| Posted: Mon Aug 18, 2008 4:53 am Post subject: |
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| Cheetah wrote: | First off, it's dual processor, not duo.
Secondly, the p4 is single core, dual threaded. The reason you saw two "cores" before was because of HyperThreading, which is a useless gimmick that generally does nothing or only makes performance worse.
tl;dr? It's fine the way it is now. |
First off, he said Duo.
http://www.intel.com/products/processor/coreduo/
 != 
| JamesHan1 wrote: | After reformatting my computer numerous times due to a viruses, my computer only appears to have 1 processor when it should be duo...
Anyone know what the hell happened to my other processor?
I don't think it grew legs and ran away so...
System:
Microsoft Windows XP
Home Edition
Version 2002
Service Pack2
Computer:
Intel[R]
Pentium[R] 4 CPU 3.2GHz
3.19GHz, 0.99GB of RAM
Phtsical Address Extension |
http://www.cpuid.com/cpuz.php
Run CPU-Z and make sure it was reporting correctly to begin with.
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cheesecan
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| Posted: Mon Aug 18, 2008 5:13 am Post subject: |
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go into your bios and check if
hyper threading technology is enable or disabled
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NINTENDO
Grandmaster Cheater Supreme
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| Posted: Mon Aug 18, 2008 5:58 am Post subject: |
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dual core is not the same as have 2 cpus. And it is really just usefull for servers to have more than 1 cpu.
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Infamous
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| Posted: Mon Aug 18, 2008 6:13 am Post subject: |
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| Cheetah wrote: | First off, it's dual processor, not duo.
Secondly, the p4 is single core, dual threaded. The reason you saw two "cores" before was because of HyperThreading, which is a useless gimmick that generally does nothing or only makes performance worse.
tl;dr? It's fine the way it is now. |
So if you have P4 you should turn off HyperThreading?
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Cheetah
I post too much
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| Posted: Mon Aug 18, 2008 6:20 am Post subject: |
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| KD5EEJ350 wrote: | | Cheetah wrote: | First off, it's dual processor, not duo.
Secondly, the p4 is single core, dual threaded. The reason you saw two "cores" before was because of HyperThreading, which is a useless gimmick that generally does nothing or only makes performance worse.
tl;dr? It's fine the way it is now. |
First off, he said Duo.
http://www.intel.com/products/processor/coreduo/
!=
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I know he said Duo, that's why I corrected him. He doesn't have a Core 2 Duo, nor is "duo core" a proper term. Regardless, he doesn't have any product of the Core 2 Duo family, meaning he was using the term "duo core" as a substitute for "dual core."
| Memorex wrote: | | Cheetah wrote: | First off, it's dual processor, not duo.
Secondly, the p4 is single core, dual threaded. The reason you saw two "cores" before was because of HyperThreading, which is a useless gimmick that generally does nothing or only makes performance worse.
tl;dr? It's fine the way it is now. |
So if you have P4 you should turn off HyperThreading? |
From my experience, it either slows things down, or just doesn't have any positive effect. I've seen a lot of people say the same.
Try it with it enabled and disabled, and see what works best for you. I would generally recommend disabling it on a new install. However, if you already have an OS installed and HyperThreading enabled, to disable it you'd first need to set the processor driver back to ACPI Uniprocessor PC or you'll fuck things up.
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