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820-00928-04 A1707 BIOS 820-00928-A

I have A1707 EMC 3162 missing SPI IC so no orig dump avail. What information do you need to build new BIOS.bin?
 
no Original BIOS and can not builds
need use bios other and check result
Oh I see, just try different .bin ok. last question. If flashing incorrect .bin, should I see atleast fan spin? Or some common symptom? I have the same macbook working, when I solder SPI chip from working to target board I see no signs of life. Maybe board level repair?
 
Oh I see, just try different .bin ok. last question. If flashing incorrect .bin, should I see atleast fan spin? Or some common symptom? I have the same macbook working, when I solder SPI chip from working to target board I see no signs of life. Maybe board level repair?
yes, need check main baord
 
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