Motherboard · Apple

820-1889-A — schematic, boardview & BIOS

6 files for the Apple board 820-1889-A. Check the revision (REV) printed next to the number on your board before using a BIOS dump.

SCHSchematics 2 BVBoardviews 1 BIOSBIOS & EC 3 Search “820-1889-A” in all files →

SCH820-1889-A schematics

SCH 820-1889-A PDF.zip
1.3 MB .zip Apple 820-1889-A 4 Jul 2026 5 sources
SCH A1181 macmook 820-1889-a.rar
1.1 MB .rar Apple 820-1889-A 2 Nov 2020

BV820-1889-A boardviews

BV M42B (820-1889-A) 820-1889 Boardview BDV .zip
219 KB .zip Apple 820-1889-A820-1889 19 Jul 2026 5 sources

BIOS820-1889-A bios & ec

BIOS Apple MacBook A1181 M42c MBP (820-1889-a) BIOS.zip
1.1 MB .zip Apple 820-1889-A 10 Apr 2024 3 sources
BIOS AFS Apple MacBook A1181 M42c MBP (820-1889-a) BIOS.bin
2.0 MB .bin Apple 820-1889-A 22 Jan 2024
BIOS Apple MacBook A1181 M42c MBP (820-1889-a) BIOS.rar
815 KB .rar Apple 820-1889-A 16 Oct 2021