Apple iMac A1311 motherboards

The Apple iMac A1311 appears with 3 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: 820-2494, 820-2784, 820-3126.