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  1. #1
    Member ps2cho's Avatar
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    Undervolting Celeron 2.8 ?

    Hey guys,

    This laptop is kinda getting on my nerves as its so loud all the time. It breathes so much hot air and i have sent it in and they replaced the fan...i myself have cleaned out all dust and put AS5 on it every few months...

    Is there anyway to undervolt this cpu?

    The laptop is a Toshiba Satellite A45-S121
    Here is a CPU-Z of it:



    Any pin mods or something like that ? I have never touched Intel CPU's before.
    Main: i5-2500k @ 4.2GHz:.:P8Z77-V LE Plus Mobo:.:8GB DDR3 RAM:.:AMD 7870 2GB GPU:.:Corsair H50:.:Corsair 520HX PSU
    Laptop: Dell XPS12 Ultrabook
    Media Server: A6-5400k // ASRock FM2A75 Pro4-M // 4GB DDR3 // 60" Vizio LED 1080p
    HDD Server: Celeron 1840 // ASRock Z97Extreme4 // 6TB HDD's // Windows Server 2012


  2. #2
    i wouldn't feel comfortable about doing that.. have you checked the bios?

    theres more than likely an option along the lines of "quiet mode" or "powersaving mode"


    your laptop will run a hella lot slower, but it'll probably be quieter.


    (if you don't know the bios number just press every button on your keyboard really fast untill it does.

    i suggest del, f1-f5, backspace, a few numbers, enter, shift, and tab
    EVGA 780i - P08 [ FSB:1.4v SPP:1.5v MCP:1.65v SPP<>MCP:1.4v ]
    Q6600 G0 L747A [ 400x9:3.6ghz @ 1.43v - 445x9:4.0Ghz @ 1.55v ]
    xFx GTX260 216 Black Edition [ GPU:740Mhz Shader:1515 Ram:1215Mhz ]
    2x 1 GB - 2x 2 GB OCZ Reaper DDR2-800 4-4-4-12 [ 990Mhz ]
    Win 7 Build 7600 - Arch Linux

    Apogee GTZ - MCW60-R - 2xMCR320 - MCP655 - MasterKleer 7/16
    7x yate loons - 2x Arctic fan 8

    All in my wooden case

  3. #3
    Member ps2cho's Avatar
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    No the BIOS has no overclocking options at all...its not a mobile CPU you see. Its P4 based hense why it runs hot. Whats wierd is that no programs show the voltage of the CPU. None. Its just greyed out in all programs. CPU-Z, Rightmark CPU, everything.

    I guess its locked down pretty tight...

    Yes i understand there is a low power one, but problem is that it makes even more noise because the fan is activated less, so the heat builds up then the fan goes nuts for about 2 minutes til it cools down, and the cycle repeats.

    All the laptops that people have, make almost no noise...and this one is so loud its terrible.
    Main: i5-2500k @ 4.2GHz:.:P8Z77-V LE Plus Mobo:.:8GB DDR3 RAM:.:AMD 7870 2GB GPU:.:Corsair H50:.:Corsair 520HX PSU
    Laptop: Dell XPS12 Ultrabook
    Media Server: A6-5400k // ASRock FM2A75 Pro4-M // 4GB DDR3 // 60" Vizio LED 1080p
    HDD Server: Celeron 1840 // ASRock Z97Extreme4 // 6TB HDD's // Windows Server 2012


  4. #4
    Overclockers Team Content Editor
    Shelnutt2's Avatar
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    Well your not going to have any powersaving modes or anything with that desktop Northie. Only the P4-M's had speed step (early form at that) in that generations. My suggestion is to put some AS5 on there and maybe look at replacing the fan with an ultra quite model?
    Build!.Borg!.Recruit!.Folding.for.Team.32!
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  5. #5
    Senior Spellcheck greenmaji's Avatar
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    Dec 2005
    New AS5 every month isnt going to help *if you really ment it that way*, a fan upgrade would be the best option.
    $300 for your CPU
    $500 for your GFX card
    $100 for your memory
    $200 for your motherboard
    $9.99 for your PSU

    Having a CHEAP power supply take out your computer PRICELESS.

  6. #6
    Member ps2cho's Avatar
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    Quote Originally Posted by greenmaji
    New AS5 every month isnt going to help *if you really ment it that way*, a fan upgrade would be the best option.
    When i complained and sent it into Toshiba for repair, they just replaced the plastic fan with a metal one or something similar...

    No i didnt mean it every month, i meant a few times a year when i clean out all the fans and everything.

    So there is no option on Intel CPU's to pinmod or anything?
    Main: i5-2500k @ 4.2GHz:.:P8Z77-V LE Plus Mobo:.:8GB DDR3 RAM:.:AMD 7870 2GB GPU:.:Corsair H50:.:Corsair 520HX PSU
    Laptop: Dell XPS12 Ultrabook
    Media Server: A6-5400k // ASRock FM2A75 Pro4-M // 4GB DDR3 // 60" Vizio LED 1080p
    HDD Server: Celeron 1840 // ASRock Z97Extreme4 // 6TB HDD's // Windows Server 2012


  7. #7
    Senior Spellcheck greenmaji's Avatar
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    Dec 2005
    I would assume if there were VID pinmods published it was for more vcore not less
    $300 for your CPU
    $500 for your GFX card
    $100 for your memory
    $200 for your motherboard
    $9.99 for your PSU

    Having a CHEAP power supply take out your computer PRICELESS.

  8. #8
    Member ps2cho's Avatar
    Join Date
    Oct 2004
    Location
    Socal, no hella here
    So im pretty much out of luck?
    Its currently got 512mb of RAM in it (64mb removed for gpu share)...would you think that increasing the RAM would make it quieter?
    Main: i5-2500k @ 4.2GHz:.:P8Z77-V LE Plus Mobo:.:8GB DDR3 RAM:.:AMD 7870 2GB GPU:.:Corsair H50:.:Corsair 520HX PSU
    Laptop: Dell XPS12 Ultrabook
    Media Server: A6-5400k // ASRock FM2A75 Pro4-M // 4GB DDR3 // 60" Vizio LED 1080p
    HDD Server: Celeron 1840 // ASRock Z97Extreme4 // 6TB HDD's // Windows Server 2012


  9. #9
    Senior Spellcheck greenmaji's Avatar
    Join Date
    Dec 2005
    Only if the HD spinning up was causing the heat problems and adding more ram would cause less HD seeking.
    $300 for your CPU
    $500 for your GFX card
    $100 for your memory
    $200 for your motherboard
    $9.99 for your PSU

    Having a CHEAP power supply take out your computer PRICELESS.

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