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

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

Macbook 12" A1534 - 820-00045-10 820-00045-A 4.4 5 9votes
4.4/5, 9 votes

Page 5 of 9
  1. 01ifix

    01ifix Well-Known Member

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    #81 01ifix, Apr 26, 2017
  2. JackT

    JackT Well-Known Member

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    the best thing is to erase the disk using a live Ubuntu usb stick after you boot from that. the only problem with ubuntu is that it did not have the proper drivers for the keyboard/trackpad so i was using an external keyboard+mouse connected through a dell type-c to usb dock. if you format the disk like that and leave it in GPT partitioning table then i believe you can install windows 10 from a usb installation media.

    I will try it tonight or tomorrow and give you more info.
     
    #82 JackT, Apr 26, 2017
  3. Gasasoft

    Gasasoft New Member

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    I try that with no luck. Setup not recognize SSD. I will try tonight several metods and post here my results.
     
    #83 Gasasoft, Apr 30, 2017
  4. Gasasoft

    Gasasoft New Member

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    I have no luck.
     
    #84 Gasasoft, May 13, 2017
  5. technical

    technical Moderator Staff Member

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    #85 technical, May 13, 2017
  6. Gasasoft

    Gasasoft New Member

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    No SSD is OK. I successfully install Ubuntu linux. Problem is in wrong BIOS dump, but I cannot find right one.
     
    #86 Gasasoft, May 15, 2017
  7. JackT

    JackT Well-Known Member

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    yes i have the same problem with you. still didnt have time to check it properly again.
     
    #87 JackT, May 15, 2017
  8. technical

    technical Moderator Staff Member

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    You need GET VIP before downloads.
    https://vinafix.com/account/upgrades
     
    #88 technical, May 15, 2017
  9. bridx

    bridx Well-Known Member

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    Hi,

    Where can I buy a new blank bios for the 820-00244 motherboard.

    Regards.
     

    Attached Files:

    #89 bridx, May 17, 2017
  10. technical

    technical Moderator Staff Member

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    You want buy chip this ?
    It is very rare :D
     
    #90 technical, May 17, 2017
  11. Haker5

    Haker5 Well-Known Member

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    mission completed
    add with backup and photo very hard job backup without serial number any want serial write to dump
    IMG_0086.JPG IMG_0093.JPG IMG_0094.JPG
     

    Attached Files:

    • Like Like x 2
    #91 Haker5, May 25, 2017
  12. technical

    technical Moderator Staff Member

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    #92 technical, May 25, 2017
  13. Haker5

    Haker5 Well-Known Member

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    in my macbook i have serial number i special remove for any want using backup add serial number
     
    #93 Haker5, May 25, 2017
  14. 01ifix

    01ifix Well-Known Member

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    #94 01ifix, May 25, 2017
  15. Haker5

    Haker5 Well-Known Member

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    you want diagrams how to connect programmer or you want pinouts
     
    • Like Like x 1
    #95 Haker5, May 25, 2017
  16. 01ifix

    01ifix Well-Known Member

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    possible both for more easy , i have tl866 and RT809H programmer.
    thanks in advance.
     
    #96 01ifix, May 25, 2017
  17. Haker5

    Haker5 Well-Known Member

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    tahts is for tl866 tested 100% work you have two photo IMG_0089. FNMO1887.
     
    • Like Like x 2
    #97 Haker5, May 26, 2017
  18. bridx

    bridx Well-Known Member

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    Hi,

    The WLCSP (BGA) chip solder pads are not getting solder balls on them, I soldered thin insulated wire to the pads on the motherboard and now trying to attach a normal 200mil SPI BIOS chip to the wire, some advice on my terminations. I have tried but the machine doesn't turn on, though 3.3v is present at PP3V3_SUS.

    Regards.
     

    Attached Files:

    #98 bridx, Jun 16, 2017
  19. K-PAX

    K-PAX Well-Known Member

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    HI,i programming "in circuit" 820-00045 1534(2015),but 820-0024 1534(2016)not
    I cant,i don't know what happen
     
    #99 K-PAX, Jun 16, 2017
  20. bridx

    bridx Well-Known Member

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    I was only able to read the chip in ISP mode but writing to it in ISP mode was not sucessful. Waiting for another donor board to arrive so I can replace the damaged BGA bios.
     
    #100 bridx, Jun 18, 2017
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