820-00687-A

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5.00 star(s)

820-00687-A BIOS
820-00687-B
Schematics boardview

 

[ThienBui]

Hi
I have 820-00687-B
this board have broken efi chip, i replace it with good one
machine power up with ? mark
I flashed efi chip with APPLE 820-00687-A,bin , machine power up , i see apple logo with no backlight
i tried no_serial bin also same issue

any solution for this machine or it must flashed with revision B bios dump?

try it
820-00687-B.bin

 

[DLC]

Please clearME and repair
Thanks

 

[ThienBui]

Please clearME and repair
Thanks

 

[dam1inc]

Unavailable

is schematics available for 820-00687 now? thanks

 

[ThienBui]

is schematics available for 820-00687 now? thanks

you see where ? send link i help downloads

 

[Birvolt]

Hello, gentlemen.
Can you please help - does anyone have 820-00687 boardview and schematics?
Thanks in advance.

 

[ThienBui]

Hello, gentlemen.
Can you please help - does anyone have 820-00687 boardview and schematics?
Thanks in advance.

model this Unavailable boardview and Schematics

 

[PWmedia]

Please clearME and repair
No boot on oryginal.
820-00687-a

 

[ThienBui]

Please clearME and repair
No boot on oryginal.
820-00687-a

 

[PWmedia]

Computer do not starting on this image

 

[ThienBui]

Computer do not starting on this image

I only help clear me

 

[macabi170]

you see where ? send link i help downloads

I have found here schematics & BV

please help

 

[ThienBui]

I have found here schematics & BV

820-00687-A

820-00687-A BIOS 820-00687-B Schematics boardview

vinafix.com

 

[Appleexpert]

no display clear me this file

 

[ThienBui]

no display clear me this file

 

[Appleexpert]

brother this file working but SSD not detect

 

[ThienBui]

brother this file working but SSD not detect

I only help clear me
I think yiu need try more bios and compare and check SSD

 

[Appleexpert]

i need clear file

 

[Appleexpert]

plz rebuild my file

 

[Appleexpert]

late display clear me