820-00431 is a Apple motherboard used in Apple devices. Enginerys has 3 schematics, 3 boardviews, 19 BIOS dumps and 1 archive for this board, collected from public Telegram channels.
Check that 820-00431 matches the number printed on your PCB, including the revision. Where to find it →
820-00431 schematics
- MAC A1418 (820-00431-A) PDF(PK)Schematic · 820-00431 · 3.93 MB · 27 Dec 2025Schematic pdf3.93 MB
- IMAC A1418 (820-00431-A)-PDFSchematic · 820-00431 · 3.93 MB · 16 Nov 2022Schematic pdf3.93 MB
- IMAC A1418 (820-00431-A)-PDF
Schematic in PDF for the Apple iMac A1418 logic board 820-00431, revision A, packed as a 2.46 MB RAR archive.
Schematic · 820-00431 · 2.46 MB · 9 Jun 2022Schematic rar2.46 MB
820-00431 boardviews
- MAC A1418 (820-00431-A) (BDV)PKBoardview · 820-00431 · 102 KB · 27 Dec 2025Boardview rar102 KB
- IMAC A1418 (820-00431-A) (BDV)Boardview · 820-00431 · 558 KB · 16 Nov 2022Boardview brd558 KB
- IMAC A1418 (820-00431-A) (BDV)
Boardview for the Apple iMac A1418 logic board 820-00431 revision A, provided as a 166 KB ZIP archive.
Boardview · 820-00431 · 166 KB · 9 Jun 2022Boardview zip166 KB
820-00431 BIOS dumps
- Apple 820-00431 MEcleanBIOS · 820-00431 · 8.00 MB · 2 Aug 2026BIOS bin8.00 MB
- Apple 820-00431 MEcleanBIOS · 820-00431 · 8.00 MB · 25 Jul 2026BIOS bin8.00 MB
- MACKBOOK A1418 CPU i5 5575R 820 00431 A 2013 21 5 WORKING BIOS 100%BIOS · 820-00431 · 4.20 MB · 24 Sept 2025BIOS zip4.20 MB
- IMAC 21 5 820 00431 A 8MB BIOS ORIG telegram BIOS Repair 2025 09BIOS · 820-00431 · 4.80 MB · 23 Sept 2025BIOS zip4.80 MB
- IMAC 2015 i5 a1418 EMC 2833 820 00431a WORKING BIOS 100% telegramBIOS · 820-00431 · 4.75 MB · 23 Sept 2025BIOS zip4.75 MB
- Apple A1418 2013 CPU I5 5575R 820 00431 A telegram BIOS Repair 2025BIOS · 820-00431 · 4.83 MB · 17 Sept 2025BIOS zip4.83 MB
- a1418 820-00431-A CPU I5 5575R OKBIOS · 820-00431 · 8.00 MB · 12 May 2025BIOS bin8.00 MB
- IMAC 2015 i5 a1418 emc2833-820-00431a WORKING BIOS 100%BIOS · 820-00431 · 8.00 MB · 7 May 2025BIOS bin8.00 MB
- MACKBOOK A1418 CPU i5 5575R 820 00431 A 2013 21 5 WORKING BIOS 1BIOS · 820-00431 · 8.00 MB · 7 May 2025BIOS bin8.00 MB
- Apple 820 00431 MEcleanBIOS · 820-00431 · 8.00 MB · 5 May 2025BIOS bin8.00 MB
- AFS Apple A1418 -2013 - CPU I5 5575R 820-00431-ABIOS · 820-00431 · 8.00 MB · 22 Jan 2024BIOS bin8.00 MB
- IMAC 2015 i5 a1418 EMC 2833-820-00431a WORKING BIOS 100%BIOS · 820-00431 · 4.29 MB · 21 Dec 2023BIOS rar4.29 MB
- IMAC 2015 i5 a1418 EMC 2833-820-00431a WORKING BIOS 100%
Working BIOS image for an Apple iMac 2015 with Core i5, model A1418, EMC 2833, logic board 820-00431-A, reported as fully functional.
BIOS · 820-00431 · 4.34 MB · 18 Dec 2023BIOS rar4.34 MB - MACKBOOK A1418 CPU i5 5575R 820 00431 A 2013 21 5 WORKING BIOS 100%BIOS · 820-00431 · 6.19 MB · 13 Dec 2023BIOS rar6.19 MB
- MACKBOOK A1418 CPU i5 5575R 820 00431 A 2013 21 5 WORKING BIOS 100%
Working EFI firmware dump for the Apple iMac A1418, the 21.5-inch 2013 desktop, even though the name calls it a MacBook.
BIOS · 820-00431 · 6.24 MB · 13 Dec 2023BIOS rar6.24 MB - Apple 820-00431 MEcleanBIOS · 820-00431 · 8.00 MB · 26 Apr 2022BIOS bin8.00 MB
- IMAC 21.5 820-00431-A 8MB BIOS ORIG
Original 8 MB firmware dump for an Apple iMac 21.5-inch on logic board 820-00431, revision A according to the name, zipped to 4.71 MB.
BIOS · 820-00431 · 4.71 MB · 23 Jan 2022BIOS zip4.71 MB - Apple A1418 -2013 - CPU I5 5575R 820-00431-A
BIOS / EFI firmware in a RAR archive for an Apple A1418 iMac, 2013 per the name, fitted with a Core i5-5575R processor and logic board 820-00431-A.
BIOS · 820-00431 · 4.29 MB · 13 Dec 2021BIOS rar4.29 MB - Apple 820-00431 MEclean
BIOS firmware image for an Apple logic board numbered 820-00431, supplied as an 8 MB raw binary with the Management Engine region already cleaned.
BIOS · 820-00431 · 8.00 MB · 30 Jul 2020BIOS bin8.00 MB
820-00431 archives
- APPLE I MAC A1418 (820-00431-A)
ZIP archive for the Apple iMac A1418, logic board 820-00431 in revision A. The contents are not stated, but packs of this kind usually bundle a schematic and often a…
Archive · 820-00431 · 4.55 MB · 7 Jun 2026Archive zip4.55 MB
Questions about 820-00431
Is there a schematic for 820-00431?
Yes. Enginerys lists 3 schematic files for 820-00431. Each entry links to the Telegram post where the PDF can be downloaded.
Is there a boardview for 820-00431?
Yes, 3 boardview files are listed. Open them with OpenBoardView or the viewer named on the file page.
Who makes the 820-00431 board?
820-00431 follows the Apple numbering scheme (820-xxxxx). It is found in Apple devices.