Motherboard · Apple

820-01055 — schematic

6 files for the Apple board 820-01055. Check the revision (REV) printed next to the number on your board before using a BIOS dump.

SCH820-01055 schematics

SCH 820-01055_Power_Sequence.pdf
215 KB .pdf Apple 820-01055 13 Sept 2025 2 sources
SCH 820-01055_Component_Placement.pdf
228 KB .pdf Apple 820-01055 13 Sept 2025 2 sources
SCH 820-01055 Sequence diagram.pdf
159 KB .pdf Apple 820-01055 1 Jun 2023
SCH 820-01055-07 Location map.pdf
92.1 KB .pdf Apple 820-01055 1 Jun 2023
SCH 820-01055-07 Location map MLB EVT 0307.pdf
92.1 KB .pdf Apple 820-01055 1 Jun 2023
SCH 820-01055-07 Directional pattern.pdf
3.5 MB .pdf Apple 820-01055 1 Jun 2023