Question about IBM ThinkPad T43 Notebook

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IBM T43 Power Management Chip

I saw your reply from August regarding a problem someone had with an IBM T43. In your reply, you said it was the power management chip that was causing the problem. Do you know where that chip is located on the motherboard?

Please email me at trip at ecrunch.com

Thank you,
Trip

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  • seanie165 Jan 31, 2009

    Hi

    I have a similar problem
    Battery power works but no dc input or charging (psu ok)
    I have opened up and found the following faulty components:
    F2 sm fuse, L63A sm ic, 4890 sm ic (both 8 pin)
    They are all located close to dc input socket - I contacted IBM and was told they didn't sell individual components.
    If anyone has any idea where to get these from I would be very greatfull
    Thanks

    Sean


  • El C of John Mar 30, 2009

    I have a T43p and am having the same problem, it will work off battery power only. I've read somewhere that only exchanging the motherboard will solve it. Does anyone know how difficult this is to do? And also, if I get a normal T43 motherboard to replace the one in my T43p, won't it have a different graphics chip that can't be removed/replaced?

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My battery won`t power my laptop and someone sade it was the power managment chip do you know where that chip is located on the motherboard please email me at donny.devos@gmail.com thank you, or send me a photo of were it is on the motherboard

Posted on Nov 27, 2008

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