Motherboard · Apple

820-2143-A — schematic, BIOS & files

5 files for the Apple board 820-2143-A. Check the revision (REV) printed next to the number on your board before using a BIOS dump.

SCHSchematics 3 BIOSBIOS & EC 1 PACKBoard packs & other 1 Search “820-2143-A” in all files →

SCH820-2143-A schematics

SCH APPLE A1224 820-2143-A.rar
1.4 MB .rar Apple 820-2143-A 14 Jul 2026 4 sources
SCH APPLE A1224 820-2143-A.rar
1.4 MB .rar Apple 820-2143-A 2 May 2021 3 sources
SCH APPLE A1224 820-2143-A.pdf
1.5 MB .pdf Apple 820-2143-A 15 Jan 2021

BIOS820-2143-A bios & ec

BIOS BIOS 820-2143-A TESTED OK.zip
1.2 MB .zip Apple 820-2143-A 13 Jul 2025 3 sources

PACK820-2143-A board packs & other

PACK Apple iMAC 820-2143-A.rar
1.2 MB .rar Apple 820-2143-A 30 Sept 2019