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17278
March 28th, 2004 20:00
How To Disable (HT) Hyper-Threading?
My specs -
8250
3.4 GHz Intel Pentium 4 w/ HT Technology
1.50 GB of RAM
Windows XP Professional
Could someone please explain a step-by-step guide to how to turn off HT? I'm not sure if you turn off HT in the BIOS or by going to my computer/hardware/device manager/computer or processors. Someone had told me to change from multiprocessor to "standard pc" or something like change cpu driver to default processor or something instead of multiprocesser. I don't know, could someone please help with a guide to how exactly turn off HT in all ways. Thank you very much.
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ejn63
9 Legend
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87.5K Posts
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March 28th, 2004 21:00
The BIOS should have a disable feature for HT.
fireberd
9 Legend
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33.4K Posts
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March 28th, 2004 21:00
jamesjjk
6 Posts
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March 28th, 2004 21:00
jamesjjk
6 Posts
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March 28th, 2004 22:00
I did just turn off HT in the BIOS. I still have my problem. Is there anything else like this to do?
my computer/hardware/device manager/computer or processors. Someone had told me to change from multiprocessor to "standard pc" or something like change cpu driver to default processor or something instead of multiprocesser
crusier2
194 Posts
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March 28th, 2004 23:00
ejn63
9 Legend
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87.5K Posts
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March 28th, 2004 23:00
Windows XP should then automatically switch into single-CPU mode.
What is the exact problem you're having?
jamesjjk
6 Posts
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March 29th, 2004 01:00
someone said to do this...
update drivers, take out ur motherboard cd and restore back to "standard pc"
Would that work?
jamesjjk
6 Posts
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March 29th, 2004 01:00
alevasseur14
2 Intern
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593 Posts
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March 29th, 2004 01:00
I'm not sure if that would work or not, but it seems like way too much work. I found the link detailing how to go back to a single proc machine for you. Try this instead: http://forums.us.dell.com/supportforums/board/message?board.id=dim_other&message.id=129637 It's the 9th question down.
crusier2
194 Posts
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March 29th, 2004 02:00
If you turn off Hyper Threading support, the WindowsXP HAL will not update itself automaticaly.
You must change the WindowsXP HAL in the device manager to accomidate the change.
-Click Start, point to Settings, point to Control Panel, and then click System.
-Click the Hardware tab, and then click Device Manager.
-Double-click to expand the Computer branch. Note the type of support that you currently have.
-Double-click the computer type that is listed under the Computer branch, click the Drivers tab, click Update Driver, and then click Next.
-Click Display a list of known drivers for this device, and then click Show all hardware of this device class.
-Choose "ACPI UniProc" and click Next.
-Then click Finish and reboot the system.
jamesjjk
6 Posts
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March 29th, 2004 05:00
So far I've turned HT off in the BIOS.
I saw that FAQ, but when I get to this step -Double-click the computer type that is listed under the Computer branch, click the Drivers tab, click Update Driver, and then click Next. I click update driver, then 'Hardware Update Wizard' window pops up, "This wizard helps you install software for: ACPI Multiprocessor PC"
"If your hardware came with an installation CD or floppy disk, insert it now."
"What do you want the wizard to do?"
and then theres 2 options to pick from..
"Install the software automatically (Rec)"
"Install from a list or specific location (Adv)"
Click next to continue
Now if I go with
"Install the software automatically (Rec)" and click next it comes up with cannot continue the hardware update wizard. The wizard could not find a better match for your hardware than the software you currently have installed. So I just click finish..I dont know what to do.. why is it so hard to completely disable/turn off this HT...!?