The logic board of the Mac mini (Late 2012), model A1347, 2012. Known faults are being collected.
No guided tree is live for this board yet. The profile, the viewer and manual entry are there on the free plan, and the first sessions on it build the tree.
Checked on 2026-10-29 against 2 sources: verified. Beetstech lists PPNs 820-3227-A/B and 820-3228-A/B together (APN 661-7017/7018/7019) for the Late 2012 Mac mini: Macmini6,1 MD387LL/A 2.5 GHz i5, Macmini6,2 MD388LL/A 2.3 GHz i7, BTO 2.6 GHz i7, Server MD389LL/A; it says each option is a drop-in replacement for the others and does not map PPN to configuration. An eBay listing describes '820-3227 820-3227-B ... Mac mini A1347' as 2012. Consistency review: identifier separator changed from 'Macmini6,1; Macmini6,2' to 'Macmini6,1 / Macmini6,2' to match the other multi-identifier rows. Revision A is a placeholder until Studio records the real revisions.
Open the board in NextProbe, answer the symptom questions and follow the lit point. The free plan includes three guided sessions a month. Your own boardview and schematic stay on your machine.