Motherboard · Apple

820-00138-A — schematic, boardview & BIOS

7 files for the Apple board 820-00138-A. Check the revision (REV) printed next to the number on your board before using a BIOS dump.

SCHSchematics 2 BVBoardviews 2 BIOSBIOS & EC 3 Search “820-00138-A” in all files →

SCH820-00138-A schematics

SCH 820-00138-a.zip
2.0 MB .zip Apple 820-00138-A 4 Jul 2026 4 sources
SCH 820-00138-a.zip
2.0 MB .zip Apple 820-00138-A 13 Sept 2025 2 sources

BV820-00138-A boardviews

BV A1398 820-00138-A BRD.zip
193 KB .zip Apple 820-00138-A 4 Jul 2026 4 sources
BV A1398 820-00138-A.brd
690 KB .brd Apple 820-00138-A 28 Apr 2022 2 sources

BIOS820-00138-A bios & ec

BIOS APPLE A1398 (820-00138-A).rar
4.9 MB .rar Apple 820-00138-A 13 Jul 2025 2 sources
BIOS AFS APPLE A1398 (820-00138-A).BIN
8.0 MB .bin Apple 820-00138-A 22 Jan 2024
BIOS APPLE 820-00138-A WORKING BIOS 100%.rar
8.7 MB .rar Apple 820-00138-A 2 Feb 2023