Motherboard · Apple

820-5509 — schematic & BIOS

6 files for the Apple board 820-5509. Check the revision (REV) printed next to the number on your board before using a BIOS dump.

SCHSchematics 4 BIOSBIOS & EC 2 Search “820-5509” in all files →

SCH820-5509 schematics

SCH Apple Mac Mini A1347 - 820-5509 - 820-5509-A J64 MLB_2C PDF .rar
1.3 MB .rar Apple 820-5509820-5509-A 14 Jul 2026 2 sources
SCH A1347_820-5509 J64 PDF .rar
1.5 MB .rar Apple 820-5509 4 Jul 2026 2 sources
SCH Apple Mac Mini A1347 - 820-5509 - 820-5509-A J64 MLB_2C PDF .pdf
1.3 MB .pdf Apple 820-5509820-5509-A 11 Sept 2025 4 sources
SCH A1347_820-5509 J64 PDF .pdf
1.5 MB .pdf Apple 820-5509 11 Sept 2025 4 sources

BIOS820-5509 bios & ec

BIOS A1347-820-5509_A_FIXED ME.rar
3.8 MB .rar Apple 820-5509 24 Apr 2022 2 sources
BIOS A1347-820-5509_A_FIXED ME.rar
3.8 MB .rar Apple 820-5509 21 Aug 2021