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IBM-Lenovo Yoga 2 Pro NM-R074 REV: 1.0

Discussion in 'BIOS Laptop' started by ThienBui, Sep 13, 2015.

IBM-Lenovo Yoga 2 Pro NM-R074 REV: 1.0 5 5 1votes
5/5, 1 vote

  1. ThienBui

    ThienBui Fix Something with us
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    Yoga2Pro I7 NM-R074 REV: 1.0
    NM-R074.
     

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  3. kumaran328

    kumaran328 Well-Known Member

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    Hi guys. does this board has EC bios?
     
  4. bigphong

    bigphong BUSINESS

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    this A074 or R074 i see A not R in the picture can you make sure A or R thank you
     
  5. ThienBui

    ThienBui Fix Something with us
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    you do not have the main board
     
  6. spintop

    spintop New Member

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    how do u read or write the EC bios? its a embedded flash inside the controller.
    I may have a corrupted EC bios, still finding ways to rewrite the chip. thanks
     
  7. ThienBui

    ThienBui Fix Something with us
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    EC what? full name ?
     
  8. spintop

    spintop New Member

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    EC is embedded controller, there is 128kbytes of memory inside. My yoga 2 pro cannot turn on, with flashing keyboard backlight. i reflashed main bios winbond chip. laptop still dead.
    suspect ec bios could be problem. but i dont know how to flash the embedded controller ( BGA chip is IT8586vq).

    does anyone know how ? thanks
     
  9. ThienBui

    ThienBui Fix Something with us
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