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  1. #1
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    some nand question

    1.if i bridge nand point 41&44 is it erase the nand complitly?
    2.continue to 1 what does it do? Can this block jtag?
    2.if i take donor nand what i need to check
    3.donor nand do i need my cpu key?
    Good day

  2. #2

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    You need your cpu key and the keyvault at least when using donor nand, that's all i know..

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    Re: some nand question

    Quote Originally Posted by BENNY66 View Post
    1.if i bridge nand point 41&44 is it erase the nand complitly?
    2.continue to 1 what does it do? Can this block jtag?
    2.if i take donor nand what i need to check
    3.donor nand do i need my cpu key?
    Good day
    There really isnt a need for using a donor nand. You can use a donor KV and make the nand image you want with Jrunner or 360 multibuilder. As far as bridging points 41&44 I think they just bring the nand back to life in the event of a problem and it isnt recognized by the PC to reflash but does not erase it.

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    Re: some nand question

    Quote Originally Posted by BENNY66 View Post
    1.if i bridge nand point 41&44 is it erase the nand complitly?
    2.continue to 1 what does it do? Can this block jtag?
    Quote Originally Posted by antman1 View Post
    As far as bridging points 41&44 I think they just bring the nand back to life in the event of a problem and it isnt recognized by the PC to reflash but does not erase it.
    Correct, it puts the southbridge/SMC into a 'recovery' mode as it thinks the NAND chip is blank. Same thing happens if you completely erase the NAND, or put a blank NAND on for a nandwich, or even if you attempt to read/write within a few seconds of supplying power. That last one is why they suggest trying to read/write immediately after plugging power in before the SMC tries to read the NAND and get into a fault state from flashing the wrong board's NAND image.

    Also if you're going to use a donor NAND or KV, you DO need the donor's CPU key. I probably have a donor for every motherboard type except Trinity, with CPU key, so if anybody needs one, PM me.

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    Re: some nand question

    1.if i had same xbox jtag can i use the nand and cpu key of the working xbox on non working xbox
    2.if i want to recover nand do i need my dump and cpu key or i can get it after recover
    3.can recover nand block jtag?

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    Re: some nand question

    Anyone?
    P.s im a noob

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    Re: some nand question

    What exactly is the problem? Can you read and write to the nand?

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    Re: some nand question

    ok got my machine back
    solider in expert place wire directly
    this is what i get when reading nand


    J-Runner v0.2 Beta (274) Started



    Checking Files
    Finished Checking Files
    Arm Version: 3
    Flash Config: 0x00000000
    Can not Continue
    Can not continue
    Can not continue
    Last edited by BENNY66; 10th May 12 at 23:01.

 

 

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