Apple · laptop motherboard

Apple MacBook Pro A1286 820-2850

SchematicBoardviewBIOS
Board code
820-2850
Revisions
Rev A
Files
11
Updated

Apple MacBook Pro A1286 820-2850 is a laptop motherboard used in the Apple MacBook Pro A1286, Apple MacBook Pro A1236 and Apple PRO 1286.

The catalog has 2 schematics, 1 boardview file and 8 BIOS files for it, posted between 2017 and 2025 across 3 Telegram channels. Each download button opens the original Telegram post.

The files are marked Rev A; other revisions of the same board can differ in parts and layout.

The boardview is packed in an archive and the file name does not say which format is inside; most open in OpenBoardView or FlexBV. What Is a Boardview File and Why You Need One lists the common formats.

With both a schematic and a boardview you can find a net on the diagram and then locate the same part on the board by its reference designator. No Boardview for Your Board? How to Work Without One shows the workflow.

BIOS notes: file names mention 4 MB chip sizes; versions with a cleaned ME region are included. Read and save the original chip contents before you write anything to it — Keeping the Windows Product Key (MSDM) When Reflashing a BIOS.

Compatible models

Files for Apple MacBook Pro A1286 820-2850

Schematics 2 All schematics →

Boardview files 1 All boardview files →

BIOS and firmware 8 All bios and firmware →

Notes from the source posts

  • You can give us as a gift.

Frequently asked questions

Which laptops use the 820-2850 motherboard?
File names in the catalog tie 820-2850 to the Apple MacBook Pro A1286, Apple MacBook Pro A1236 and Apple PRO 1286. Laptops sold under one model name can use different boards, so confirm by the code printed on the motherboard.
Which revision of 820-2850 do I have?
Files for this board mention Rev A. The revision is printed on the PCB silkscreen, usually next to the board code. Pick files with the same revision when you can; if yours is not listed, the closest revision is usually fine for the schematic but check part positions in the boardview carefully.
How do I open the 820-2850 boardview file?
The 820-2850 boardview comes inside an archive whose name does not state the format. Unpack it and check the extension; most laptop boardviews open in OpenBoardView or FlexBV. See What Is a Boardview File and Why You Need One.
What should I check before flashing the 820-2850 BIOS?
Read the original chip with a programmer and save two copies before writing anything. File names for this board mention 4 MB images; the dump size must match your chip. A dump from another board carries that board's serial number and MAC address, so restore yours from the backup.

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Files are hosted on Telegram by third parties; ExcitingSpas.com only links to public posts. Check that a file matches your board before using it. Disclaimer · Report a file