Apple · laptop motherboard

Apple MacBook Pro A1278 820-2936

SchematicBIOS
Board code
820-2936
Revisions
Rev A, Rev B
Files
22
Updated

Apple MacBook Pro A1278 820-2936 is a laptop motherboard used in the Apple MacBook Pro A1278, Apple 1278 and Apple MacBook Pro K90I.

The catalog has 6 schematics and 16 BIOS files for it, posted between 2018 and 2022 across 4 Telegram channels. Each download button opens the original Telegram post.

File names mention 2 board revisions (Rev A and Rev B). Check the revision printed on your PCB before relying on a boardview or flashing a BIOS dump — How to Open .FZ Boardview Files explains why it matters.

The schematic files are PDFs; the first pages usually hold the block diagram and the power sequence. New to schematics? Start with How to Use a Schematic and a Boardview Together.

BIOS notes: 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 A1278 820-2936

Schematics 6 All schematics →

BIOS and firmware 16 All bios and firmware →

Frequently asked questions

Which laptops use the 820-2936 motherboard?
File names in the catalog tie 820-2936 to the Apple MacBook Pro A1278, Apple 1278 and Apple MacBook Pro K90I. Laptops sold under one model name can use different boards, so confirm by the code printed on the motherboard.
Which revision of 820-2936 do I have?
Files for this board mention Rev A and Rev B. 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.
What should I check before flashing the 820-2936 BIOS?
Read the original chip with a programmer and save two copies before writing anything. A dump from another board carries that board's serial number and MAC address, so restore yours from the backup.

Guides for this board

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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