Macbook 12" A1534 - 820-00045-10 820-00045-A

Discussion in 'BIOS/UEFI' started by technical, Jan 20, 2016.

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  1. hernan tangoa f.

    hernan tangoa f. Well-Known Member

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    clear ME please 820-00045
     
    #101 hernan tangoa f., Jul 22, 2017
    01ifix likes this.
  2. Haker5

    Haker5 Well-Known Member

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    please add your bios i clear for you
     
    #102 Haker5, Jul 23, 2017
  3. technical

    technical Moderator Staff Member

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    #103 technical, Jul 23, 2017
  4. dam1inc

    dam1inc New Member

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    Is it possible to Use chipmunk clip on a1534 EMC 2991?
     
    #104 dam1inc, Sep 13, 2017
  5. abagjery

    abagjery Well-Known Member

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    Hi
    If you look on Ebay they selling them and I used one of them unfortunately at this moment I forgot the model # but I did copy and edit and write it back ,works good
     
    #105 abagjery, Sep 13, 2017
  6. dam1inc

    dam1inc New Member

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    thank you, i CH1341A and chipmunk easy flash but always get errors writing..i also have sofi-sp8 but havent figured out how to connect easy flash to sofi-sp8. do you know how? I saw a post that said you use sofi-sp8 to read and write, for me the only way to read/write is to desolder the chip but its a super time killer:fou: (fou)
     
    #106 dam1inc, Sep 15, 2017
  7. technical

    technical Moderator Staff Member

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    sorry i not Understand problem for you.
     
    #107 technical, Sep 15, 2017
  8. dam1inc

    dam1inc New Member

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    I am wondering if sofi-sp8 and chipmunk easy flash are compatible

    Sent from my SM-G955U using Tapatalk
     
    #108 dam1inc, Sep 15, 2017
  9. dam1inc

    dam1inc New Member

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    Trying to read/write to emc 2991 without removing chip

    Sent from my SM-G955U using Tapatalk
     
    #109 dam1inc, Sep 15, 2017
  10. technical

    technical Moderator Staff Member

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    it problem for you, i can help....
     
    #110 technical, Sep 15, 2017
  11. dam1inc

    dam1inc New Member

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    Yes please that would be great , I have CH1341A , easy flash adapter and also sofi-sp8
    This model reads with ch1341a as micronix but it's windbond? I am able to read but erasing and writing not. Always give error as in screen shot, I used .bin from here and clear Region ME and still same thing[emoji20] 602f190d0d28418b38b882e8b41cd441. 5ebfec15822c5f73d9f1ec9665ef743b.

    Sent from my SM-G955U using Tapatalk
     
    #111 dam1inc, Sep 15, 2017
  12. abagjery

    abagjery Well-Known Member

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    Hi first you must chose ISP from device like 25q64v (ISP) and hook up chipmunk wire this port
    upload_2017-9-15_11-34-27.
    Normally I plug the power supply for the mac in and make sure has the power but computer is off after that I plug in the chipmunk on the socket and try to read after edit and writing on it make sure the chipmunk in the right direction
     
    #112 abagjery, Sep 15, 2017
  13. dam1inc

    dam1inc New Member

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    Aaaaah ok thank you very much!!!

    Sent from my SM-G955U using Tapatalk
     
    #113 dam1inc, Sep 16, 2017
  14. K-PAX

    K-PAX Well-Known Member

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    hi dam1inc,you can programmer the mac,i have a1534 emc2991
    and I cant erace or write.tell me please
     
    #114 K-PAX, Sep 16, 2017
  15. Macfixit

    Macfixit Well-Known Member

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    tel me if you have a problem i can help you white te chipmunk kabel and connector
     
    #115 Macfixit, Sep 17, 2017
  16. K-PAX

    K-PAX Well-Known Member

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    yes I have problem,help me.i have ch341,and sofi
    my mac is a1534 (2016)820-00244
     
    #116 K-PAX, Sep 17, 2017
  17. K-PAX

    K-PAX Well-Known Member

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    hi dam1inc,you can unlock the mac?
     
    #117 K-PAX, Sep 18, 2017
  18. technical

    technical Moderator Staff Member

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    #118 technical, Sep 18, 2017
    JackT likes this.
  19. K-PAX

    K-PAX Well-Known Member

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    I need programmer without desolder bios
     
    #119 K-PAX, Sep 19, 2017
  20. JackT

    JackT Well-Known Member

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    the connection pictures are very helpfull! thanks a lot. i tried same connection with TL866 programmer but could not detect the chip correctly
     
    #120 JackT, Sep 19, 2017
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