Motherboard · Apple

820-2850-A — schematic, boardview, BIOS & files

16 files for the Apple board 820-2850-A. Check the revision (REV) printed next to the number on your board before using a BIOS dump.

SCH820-2850-A schematics

SCH A1286 K18 (820-2850-A) PDF.rar
4.1 MB .rar Apple 820-2850-A 4 Jul 2026 4 sources
SCH APPLE A1286 MLB 820-2850-A.pdf
2.1 MB .pdf Apple 820-2850-A 26 May 2025

BV Apple Macbook Pro A1286 820-2850-A BoardView.rar
181 KB .rar Apple 820-2850-A 14 Jul 2026 4 sources
BV Apple Macbook Pro A1286 820-2850-A BoardView.rar
136 KB .rar Apple 820-2850-A 8 Jun 2025 2 sources
BV Apple Macbook Pro A1286 820-2850-A BoardView.brd
702 KB .brd Apple 820-2850-A 2 Oct 2019

BIOS APPLE A1286 MLB 820-2850-A 4MB BIOS.rar
4.6 MB .rar Apple 820-2850-A 28 Jun 2025
BIOS A1286 820-2850-A EMMC 2353 OK TESTED BY FST FIX.rar
2.8 MB .rar Apple 820-2850-A 23 Dec 2024
BIOS 820-2850-A MacBook Pro A1236.bin
4.0 MB .bin Apple 820-2850-A 15 Dec 2024 3 sources
BIOS Apple MacBook Pro A1236 Apple WHITE ARROW MLB K18 820-2850-A.rar
1.8 MB .rar Apple 820-2850-A 11 Jul 2023
BIOS MAC BOOK PRO 1286 board number 820-2850-A original bios OK .rar
1.8 MB .rar Apple 820-2850-A 9 Oct 2021
BIOS MACBOOK PRO A1286 MLB 820-2850-A OK CLEAR ME.zip
2.0 MB .zip Apple 820-2850-A 31 Mar 2021
BIOS A1286 K18 820-2850-A.rar
1.8 MB .rar Apple 820-2850-A 26 Oct 2020
BIOS Apple MacBook Pro A1236 Apple WHITE ARROW MLB K18 820-2850-A.rar
1.8 MB .rar Apple 820-2850-A 29 Oct 2019 2 sources

PACK Apple MacBook Pro A1236 MLB K18 820-2850-A.rar
1.8 MB .rar Apple 820-2850-A 30 Sept 2019
PACK APPLE MACBOOK PRO A1236 820-2850-A.rar
1.8 MB .rar Apple 820-2850-A 30 Sept 2019
PACK APPLE MACBOOK PRO 820-2850-A.rar
1.3 MB .rar Apple 820-2850-A 30 Sept 2019