iMac Logic Board and Model Number Reference List

Here is a list of Apple iMac logic boards and corresponding models.

820-1257 iMac G4
820-1381 iMac G4 15″
820-1398 iMac G4 15″
820-1501 iMac G4 17″ (project Q26)
820-1501 iMac G4 17″ (project Q26A)
820-1501 iMac G4 17″ (project Q26B)
820-1501 iMac G4 17″ (project Q26C)
820-1540 A1076 iMac G5 20″ (project Q45)
820-1540 A1076 iMac G5 20″ (project Q45A)
820-1540 A1076 iMac G5 20″ (project Q45B)
820-1550 A1065 iMac G4
820-1599 A1065 iMac G4 20″ (project Q59A)
820-1599 A1065 iMac G4 20″ (project Q59B)
820-1599 A1065 iMac G4 20″ (project Q59C)
820-1747 A1058 iMac G5 17″ (project Q45C)
820-1747 A1058 iMac G5 17″ (project Q45D)
820-1766 A1145 iMac G5 20″
820-1783 A1144 iMac G5 17″
820-1888 A1174 iMac 20″
820-1919 iMac
820-1960 iMac
820-1984 A1200 EMC2111 iMac 24″
820-2031 A1174 A1207 iMac 20″
820-2052 iMac
820-2090 A1195 iMac 17″
820-2110 A1225 iMac 24″
820-2143 2223 2347 A1224 iMac
820-2143 A1224 iMac 20″
820-2223 A1224 iMac 20″
820-2301 A1225 iMac 24″
820-2347 A1224 iMac 20″ (project K50)
820-2347 A1224 iMac 20″ (project K50A)
820-2491 A1225 iMac 24″ (project K51)
820-2491 A1225 iMac 24″ (project K51A)
820-2494 A1311 iMac 21.5″
820-2507 iMac
820-2641 iMac
820-2733 iMac
820-2784 A1311 iMac 21.5″
820-2828 iMac
820-2901 iMac
820-3126 A1311 iMac
820-3172 A1418 iMac 21.5″
820-3298 A1214 iMac 27″
820-3299 A1419 iMac 27″
820-3302 A1418 iMac 21.5″
820-3478 A1419 iMac 27″
820-3588 A1418 iMac 21.5″

I’ve pieced this together from all over the place – please let me know if there are any errors or corrections.