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iMac A1418 820-00431-A 820-00432-A Schematics boardview BIOS

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iMac A1418 820-00431-A
820-00431-02, 820-00432-A
661-02985
Schematics boardview
820-00431-Vinafix.pdf
820-00431-Vinafix.brd


iMac A1418 820-00431-A 820-00432-A Schematics .jpgiMac A1418 820-00431-A 820-00432-A.jpg820-00431-02.jpeg 820-00431.jpeg
 

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Click to expand...
DoctorMob said:
I Got with all Bios only 2 LED'S ...
with my Original I got 3 LED'S but no Image after Catalina Update...
Have no idea - I try ALL EFI DUMPS

maybe some one can help ?
Click to expand...
hi have you found the solution for this ?
i have same pblm with same board
 
hi! my imac a1418 820-00431-A work with freeze and dont see NVME disk (maybe bios dont have some part for working NVME). Attach dump of bios from mx25q6473e. Thanks for help.
 

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AhilusUA said:
hi! my imac a1418 820-00431-A work with freeze and dont see NVME disk (maybe bios dont have some part for working NVME). Attach dump of bios from mx25q6473e. Thanks for help.
Click to expand...
can not check and edit form bios
If you suspect the BIOS has a problem, you need to try another BIOS to compare.
 
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