Motherboard · Apple

820-5509-A — schematic & BIOS

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

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

SCH820-5509-A 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 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

BIOS820-5509-A bios & ec

BIOS A1347 (MacMini) - 820-5509-A WORKING BIOS 100%.rar
7.6 MB .rar Apple 820-5509-A 4 Nov 2024 2 sources
BIOS A1347 820-5509-A BIOS.rar
3.8 MB .rar Apple 820-5509-A 9 Jul 2023
BIOS Mac mini A1347 820-5509-a.zip
4.2 MB .zip Apple 820-5509-A 26 Apr 2022 2 sources
BIOS a1347_820-5509-A_bios_BLOQUEADA_unlocked.zip
4.2 MB .zip Apple 820-5509-A 26 Apr 2022