Motherboard · Apple

820-4668-A — schematic, BIOS & files

4 files for the Apple board 820-4668-A. Check the revision (REV) printed next to the number on your board before using a BIOS dump.

SCHSchematics 2 BIOSBIOS & EC 1 PACKBoard packs & other 1 Search “820-4668-A” in all files →

SCH820-4668-A schematics

SCH A1418_iMac_21.5-inch,_Mid2014_820-4668-A PDF .rar
1.4 MB .rar Apple 820-4668-A 4 Jul 2026 2 sources
SCH A1418_iMac_21.5-inch,_Mid2014_820-4668-A PDF .pdf
1.5 MB .pdf Apple 820-4668-A 11 Sept 2025 4 sources

BIOS820-4668-A bios & ec

BIOS 820-4668-A WORKING BIOS 100%.rar
7.1 MB .rar Apple 820-4668-A 4 Nov 2024 2 sources

PACK820-4668-A board packs & other

PACK Apple iMAC A1418 820-4668-A.rar
3.6 MB .rar Apple 820-4668-A 30 Sept 2019