Feb 18, 2023 Thread Author Apple iMac A1419 820-3478-A Bios Schematics Boardview Attachments Apple iMac A1419 820-3478-A.BIN.zip 4.4 MB Views: 2 J17_MLB_051-9884_820-3478.pdf 3.1 MB Views: 2 J17PVT(820-3478-A).brd 751.9 KB Views: 2 Click to expand...