changed CPU in old pc, issues


  1. Chalky Emultion
    Posts : 760
       New #1

    changed CPU in old pc, issues


    hi,

    I have a pc with an Asus P4S8X motherboard (socket 478).
    Today I replaced my Pentium 4 2533 MHz with a Pentium 4 2800 MHz, but... all is slower! also I can see lag when i'm surfing in my BIOS options...

    Why this is happening?
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  3. AddRAM
    Posts : 13,576
    Windows 10 Pro x64
       New #2

    Does that cpu support hyperthreading ?

    Is hyperthreading enabled in the bios ?

    It sometimes gets disabled when you swap a cpu.
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  4. Chalky Emultion
    Posts : 760
    Thread Starter
       New #3

    both CPUs have got a Northwood core, which does'n support Hyperthreading. They are in the same Pentium 4 family, just one has a little better frequency than the other.

    I can see lag not only in Windows, but also in BIOS!
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  6. Zepher
    Posts : 2,164
    Windows 7 Ultimate 64bit
       New #4

    Did you clean off the old thermal paste and put new paste on the CPU?
    If not then it may be getting too hot and throttling to keep from overheating.
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  7. Chalky Emultion
    Posts : 760
    Thread Starter
       New #5

    Zepher said:
    Did you clean off the old thermal paste and put new paste on the CPU?
    If not then it may be getting too hot and throttling to keep from overheating.
    I did it... Nothing.
    I re-installed the old cpu, which is a lot faster...
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