820-2491 is a Apple motherboard used in Apple devices. Enginerys has 4 schematics, 3 boardviews, 2 BIOS dumps and 2 archives for this board, collected from public Telegram channels.
Check that 820-2491 matches the number printed on your PCB, including the revision. Where to find it →
820-2491 schematics
- K51 GINSU 820-2491Schematic · 820-2491 · 1.40 MB · 10 May 2025Schematic pdf1.40 MB
- LB# 820-2491 schematic diagram (project K51)
Schematic diagram in PDF for Apple logic board 820-2491, with the project code K51 given in the name.
Schematic · 820-2491 · 1.79 MB · 13 Sept 2021Schematic pdf1.79 MB - 820-2491 (project K51A)Schematic · 820-2491 · 1.78 MB · 15 Jul 2020Schematic pdf1.78 MB
- 820-2491 (project K51)Schematic · 820-2491 · 1.79 MB · 15 Jul 2020Schematic pdf1.79 MB
820-2491 boardviews
- LB# 820 2491 ''Board View'' file project K51Boardview · 820-2491 · 239 KB · 16 Sept 2021Boardview brd239 KB
- LB# 820 2491 ''Board View'' file & schematic diagram project K51
Archive for Apple logic board 820-2491, internal project K51, holding both a boardview file and the schematic diagram in a 2.00 MB RAR.
Boardview · 820-2491 · 2.00 MB · 24 Aug 2021Boardview rar2.00 MB - Apple=1=K50 820-2347 K51 820-2491
Apple boardview archive covering two logic boards: K50, board number 820-2347, and K51, board number 820-2491.
Boardview · 820-2347 · 1.81 MB · 18 Jul 2019Boardview zip1.81 MB
820-2491 BIOS dumps
- IMAC A1225 820-2491-A BIOS OKBIOS · 820-2491 · 4.00 MB · 7 May 2025BIOS bin4.00 MB
- A1225 820 2491 A OKBIOS · 820-2491 · 4.00 MB · 28 Apr 2025BIOS bin4.00 MB
820-2491 archives
- 820-2491 (project K51A)
Package for Apple logic board 820-2491 marked with project code K51A, in a 1.44 MB RAR archive.
Archive · 820-2491 · 1.44 MB · 5 Jul 2019Archive rar1.44 MB - 820-2491 (project K51)
Repair archive in RAR format, 1.45 MB, for Apple board 820-2491 with the internal project code K51.
Archive · 820-2491 · 1.45 MB · 5 Jul 2019Archive rar1.45 MB
Questions about 820-2491
Is there a schematic for 820-2491?
Yes. Enginerys lists 4 schematic files for 820-2491. Each entry links to the Telegram post where the PDF can be downloaded.
Is there a boardview for 820-2491?
Yes, 3 boardview files are listed. Open them with OpenBoardView or the viewer named on the file page.
Who makes the 820-2491 board?
820-2491 follows the Apple numbering scheme (820-xxxxx). It is found in Apple devices.