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    Upgrade cpu t61 6458-cto t7300 to t9300

    Discussion in 'Lenovo' started by isidor66, Aug 25, 2011.

  1. isidor66

    isidor66 Newbie

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    Hi, i wanted to upgrade my cpu, my mainboard is planar 44C3931, is there someone already do that? Is it possible?
    I have a t9300, and when i start notebook with, the fan start but the screen stay black.
    The question is: the mainboard support this cpu.
    Thank you for help

    ps sorry for bad english
     
    isidor66, Aug 25, 2011
    #1
  2. moral hazard

    moral hazard Notebook Nobel Laureate

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    Are you using the latest bios?
     
    moral hazard, Aug 25, 2011
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  3. isidor66

    isidor66 Newbie

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    hello, yes i use the latest version of official website, ver 2.29 (7letc9ww). But i read somwhere perhaps works with middleton modified bios, but not sure...
     
    isidor66, Aug 25, 2011
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  4. anarti

    anarti Notebook Geek

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    I have done same upgrade on my T61 in the past. T9300 is Intel Penryn processor so you'll get error message on startup due to different sensors for CPU temperature.

    I have upgraded my bios with middleton hacked version which removed this message and I could use my T61 hassle free with new CPU :)

    It was nice power boost for my laptop and it was worth, altough CPU was quite expensive.
     
    anarti, Aug 25, 2011
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  5. isidor66

    isidor66 Newbie

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    ty for respons, i test my t9300 with middleton update, but not works... screen stay black. An idea of the problem?
     
    isidor66, Aug 25, 2011
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  6. anarti

    anarti Notebook Geek

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    i have first updated bios on my T61 (genuine lenovo latest bios for T61) and then flashed it with middleton bios.

    you possibly did something wrong during flashing bios. did you try this T9300 with original T61 bios?
     
    anarti, Aug 25, 2011
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  7. isidor66

    isidor66 Newbie

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    hello, yes i try with original bios, and with the middleton bios too.
    I waiting for another cpu t9300, perhaps a problem with the first one.
    Normally, that is possible on this notebook, you do it, so... i can do it.. ;)
     
    isidor66, Aug 26, 2011
    #7