820-2542 is a Apple motherboard used in Apple devices. Enginerys has 5 BIOS dumps for this board, collected from public Telegram channels.
Check that 820-2542 matches the number printed on your PCB, including the revision. Where to find it →
820-2542 BIOS dumps
- APPLE 820-2542-A
Apple firmware archive for logic board 820-2542, revision A as given in the name, roughly 4.33 MB in RAR form.
BIOS · 820-2542 · 4.33 MB · 4 Oct 2025BIOS rar4.33 MB - IMACK 820-2542-A 4MB BIOS telegram BIOS Repair-2025-09-16BIOS · 820-2542 · 1.50 MB · 23 Sept 2025BIOS zip1.50 MB
- IMACK 820-2542-A 4MB BIOSBIOS · 820-2542 · 4.00 MB · 6 May 2025BIOS bin4.00 MB
- IMACK 820-2542-A 4MB BIOS
Firmware for an Apple iMac logic board 820-2542, revision A in the name, provided as a 4MB BIOS image inside a 1.29 MB RAR.
BIOS · 820-2542 · 1.29 MB · 17 Nov 2024BIOS rar1.29 MB - 820-2542-A 4MB
Firmware image for the Apple logic board 820-2542-A, a raw 4 MB binary dump of the boot ROM.
BIOS · 820-2542 · 4.00 MB · 19 Jan 2023BIOS bin4.00 MB
Questions about 820-2542
Is there a schematic for 820-2542?
No standalone schematic PDF has been indexed for 820-2542 yet. Check the archives listed on this page — schematics are often packed together with the boardview — or search again later, as the index is updated daily.
Is there a boardview for 820-2542?
No boardview has been indexed for 820-2542 yet.
Who makes the 820-2542 board?
820-2542 follows the Apple numbering scheme (820-xxxxx). It is found in Apple devices.