K21 CPU Platform – Compatible Laptop Motherboards

K21 CPU Platform is documented on 2 indexed laptop motherboard schematics. Find board numbers, models, CPU/GPU platforms and direct schematic discussion links. Examples include Apple Inc. 820-3023, Apple Inc. 820-3023.
CPU Platform compatibility index

K21

Every laptop motherboard in the Dr-Bios schematic archive documented as using K21. Narrow the list by any part these boards share, then open the matching schematic thread.

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Motherboards using K21

Extracted from the structured technical table of each indexed schematic thread. Click any row to open it.

2 of 2 motherboards
Motherboard Board number Project code CPU platform GPU Open
apple 820-3023 schematic Apple Inc. · rev 3.13.0 820-3023 K78_MLB K21 —
apple k21 mlb 051-8870 3.13.0 schematic Apple Inc. 820-3023 — K21 —
No motherboard in the loaded list matches that filter.
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