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Apple A1502 820-3476-A Shematic BIOS

vinafixspain said:
hello, I've tried several bios and they do not work well, it takes a while to start, I have their original bios works perfectly the only thing that does not have a serial number, I pass the original bios if someone can modify it.

Ref: 820-3536-a i5, 4gb 2015
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ELVIKOM said:
Cannot be shared. 820-3536 has 8x RAM and 820-3476 has 16x RAM. I have one RAM IC ripped off with pads and tracks and your files cannot be used.

View attachment 102892
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This doesn't matter, the main one is the voltage ...

even with the correct schematic you cannot fix the ram marked in the picture
 
ThienBui said:
even with the correct schematic you cannot fix the ram marked in the picture
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Huh...? I have successfully repaired a bunch of damaged RAM and VRAM on Apple mainboards. The only problem here is that I cannot determine where to connect some points because there is no documentation available for 820-3476, and your documentation is not correct for my needs. That's why I asked form correct one.
 
ELVIKOM said:
Huh...? I have successfully repaired a bunch of damaged RAM and VRAM on Apple mainboards. The only problem here is that I cannot determine where to connect some points because there is no documentation available for 820-3476, and your documentation is not correct for my needs. That's why I asked form correct one.
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ok, I will contact the publisher to see if there is a correct profile
 
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