Apple M42B motherboards
2 boards 5 files 1 schematics 2 boardviews 1 BIOS
The Apple M42B appears with 2 different motherboards in the catalog. Laptops sold under one model name often use several boards over their production life — integrated or discrete graphics, different CPU generations, regional variants — so compare the board code printed on your PCB with the list below.
Board codes seen for this model: 820-1889.