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- IMAC A1418 EMC 2638 820-3588-ABIOS · 820-3588 · 8.00 MB · 11 Oct 2022BIOS bin8.00 MB
- Apple iMac 27 Late 2013 (820-3481-A)
Firmware image for the Apple iMac 27 inch Late 2013, logic board 820-3481-A, where A is the revision suffix in Apple 820 numbering.
BIOS · 820-3481 · 8.00 MB · 23 Oct 2021BIOS bin8.00 MB - BIOS Apple iMac 27 Late 2013 (820-3481-A)
BIOS image for the Apple iMac 27-inch Late 2013, logic board 820-3481-A, compressed in a 7.80 MB RAR.
BIOS · 820-3481 · 7.80 MB · 28 Mar 2022BIOS rar7.80 MB - Apple iMac 27 5K Retina 820-00609-A
Boot ROM firmware for the Apple iMac 27-inch 5K Retina on logic board 820-00609-A, stored as a 4.25 MB RAR.
BIOS · 820-00609 · 4.25 MB · 20 Jun 2020BIOS rar4.25 MB - Apple iMac 27 Late 2013 A1237 820-2179-C
EFI firmware dump labelled for an Apple iMac 27 inch Late 2013, A1237, with logic board 820-2179-C, revision C.
BIOS · 820-2179 · 4.00 MB · 23 Oct 2021BIOS bin4.00 MB - IMAC A1418 820-3482-A WORKING BIOS 100%BIOS · 820-3482 · 12.3 MB · 27 Apr 2024BIOS rar12.3 MB
- IMAC 2015 i5 a1418 EMC 2833-820-00431a WORKING BIOS 100%BIOS · 820-00431 · 4.29 MB · 21 Dec 2023BIOS rar4.29 MB
- BIOS APPLE IMAC 16.2 A1418 2889 820-00034-A
BIOS firmware for an Apple iMac 16,2, model A1418, EMC 2889, on logic board 820-00034-A, archived in a 3.81 MB RAR.
BIOS · 820-00034 · 3.81 MB · 11 Nov 2021BIOS rar3.81 MB - Apple iMac A1419 820-4652-A bios
BIOS firmware for the Apple iMac A1419, the 27-inch model, on logic board 820-4652-A. The ZIP archive holds an EFI ROM image for rewriting the SPI flash on the logic…
BIOS · 820-4652 · 4.62 MB · 9 Jun 2021BIOS zip4.62 MB - Apple iMac 27 Late 2013 (820-3481-A) Clear me
Cleaned EFI firmware for the Apple iMac 27 inch Late 2013 on logic board 820-3481-A, the Clear me note implying the image was prepared without the original machine data.
BIOS · 820-3481 · 8.00 MB · 21 Jul 2020BIOS bin8.00 MB - apple iMac 27 A1312 820-2828-A MX25L6406E TESTED OK
Firmware dump for the Apple iMac 27-inch A1312, logic board 820-2828-A, read from an MX25L6406E SPI flash chip and marked as tested OK, supplied as a 3.53 MB ZIP…
BIOS · 820-2828 · 3.53 MB · 5 Sept 2023BIOS zip3.53 MB - Apple iMac 27 5K Retina 820-00609-A
Firmware dump for the Apple iMac 27-inch 5K Retina logic board 820-00609-A, packaged as a 4.29 MB RAR.
BIOS · 820-00609 · 4.29 MB · 25 May 2022BIOS rar4.29 MB - APPLE IMAC A1418 EMC 3069 mid 2017 820 01061 A WORKING BIOS 100%
BIOS dump for the Apple iMac A1418, EMC 3069, Mid 2017, logic board 820-01061-A, labelled as fully working.
BIOS · 820-01061 · 9.09 MB · 3 Jul 2023BIOS rar9.09 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 - BIOS IMAC A1418 EMC 2638 820-3588-A
BIOS (EFI firmware) dump for the Apple iMac A1418, EMC 2638, logic board 820-3588-A. Apple's 820-xxxx numbers identify logic boards, and the suffix letter marks the…
BIOS · 820-3588 · 4.15 MB · 26 Jan 2022BIOS zip4.15 MB - iMacA1418 BIOS 820-01237-A BIOS
Firmware dump for the Apple iMac A1418 with logic board 820-01237, revision A, compressed into a 4.76 MB RAR.
BIOS · 820-01237 · 4.76 MB · 8 Jul 2023BIOS rar4.76 MB - IMAC a1419 EMC3070 820-01134-A
Boot ROM firmware for an Apple iMac model A1419, EMC 3070, with logic board 820-01134-A, contained in a 4.28 MB RAR.
BIOS · 820-01134 · 4.28 MB · 25 May 2022BIOS rar4.28 MB - IMAC A1419 820-00609-A ME REGION OK
EFI firmware for the Apple iMac A1419, logic board 820-00609-A, with the ME region noted as OK, meaning the Intel Management Engine section is intact.
BIOS · 820-00609 · 5.04 MB · 29 Aug 2022BIOS zip5.04 MB - IMACK 27 A1312 820-2828-A MX25L6406E WORKING BIOS 100%
Working BIOS for the Apple iMac 27-inch A1312 with logic board 820-2828-A, dumped from an MX25L6406E chip. That Macronix 64 Mbit (8 MB) SPI flash stores the boot ROM.
BIOS · 820-2828 · 3.35 MB · 5 Jun 2023BIOS rar3.35 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 - IMAC A1225 820-211-A BIOS
Firmware dump for the Apple iMac A1225 logic board, with the name giving the board number as 820-211-A (likely shortened from the usual Apple 820 numbering), stored in a…
BIOS · 2.48 MB · 10 Jan 2024BIOS rar—2.48 MB - iMac A1419 820-00292 ORG BACKUPBIOS · 820-00292 · 8.00 MB · 5 Aug 2026BIOS bin8.00 MB
- iMac A1418 (EMC 2889) 820-00430-A
Firmware dump for the Apple iMac A1418, EMC 2889, on logic board 820-00430 revision A, packed as a 3.77 MB RAR archive.
BIOS · 820-00430 · 3.77 MB · 3 Nov 2018BIOS rar3.77 MB - 820-3481-ABIOS · 820-3481 · 8.00 MB · 4 Jan 2024BIOS bin8.00 MB
- IMAC A1418 820-01069-B W25Q64FV TESTED OK
Firmware dump for the Apple iMac A1418 with logic board 820-01069, revision B, read from a Winbond W25Q64FV flash chip and marked as tested OK, packaged in a 3.7 MB RAR.
BIOS · 820-01069 · 3.70 MB · 24 Dec 2023BIOS rar3.70 MB - Imac A1224 MX25L3205 20230619 13749 WORKING BIOS 100%
Working BIOS dump for an Apple iMac A1224, read from an MX25L3205 flash chip, a 32 Mbit (4 MB) Macronix SPI part, with a 2023-06-19 date in the name.
BIOS · 1.29 MB · 20 Jun 2023BIOS rar—1.29 MB - IMac A1418 (EMC2889) 820-00430-A BIOS
Firmware dump for an Apple iMac A1418, EMC 2889, with logic board 820-00430-A, packed in a 3.82 MB RAR archive.
BIOS · 820-00430 · 3.82 MB · 12 Nov 2022BIOS rar3.82 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 - IMac A1312 WORKING BIOS 100%
Working boot firmware image for the Apple iMac A1312, supplied as a 6.66 MB RAR archive.
BIOS · 6.66 MB · 29 May 2023BIOS rar—6.66 MB - iMac A1419-EMC 2639-820-6478-A CLEAN
Clean EFI firmware dump for the Apple iMac A1419, EMC 2639, logic board 820-6478-A. Clean usually means the dump has had its machine-specific data such as serial number…
BIOS · 820-6478 · 3.95 MB · 2 Dec 2018BIOS rar3.95 MB - iMac A1419 820-00134-A
Firmware image for the iMac A1419 with logic board 820-00134 revision A, provided as a 4.64 MB ZIP.
BIOS · 820-00134 · 4.64 MB · 6 Jun 2021BIOS zip4.64 MB - APPLE A1311 820-2494-А BIOS
BIOS-style EFI firmware for the Apple A1311, the 21.5-inch iMac of that era, on logic board 820-2494-A.
BIOS · 820-2494 · 1.59 MB · 18 Dec 2018BIOS zip1.59 MB - BIOS Apple MacBook A1312 820-2733-A
Firmware for the Apple MacBook A1312 logic board 820-2733 revision A, provided as a 1.61 MB RAR.
BIOS · 820-2733 · 1.61 MB · 3 Apr 2020BIOS rar1.61 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 A1311 K60 21.5 Mid 2011 820-3126-A WORKING BIOS 100%
Firmware dump for the Apple iMac 21.5-inch Mid 2011, model A1311 with board code K60 and logic board 820-3126-A, marked as working.
BIOS · 820-3126 · 3.41 MB · 11 Feb 2023BIOS rar3.41 MB - MACK 820-01134-A BIOS
Firmware dump for Apple logic board 820-01134-A, the iMac board family also numbered 820-00134, supplied as a ZIP of about 747 KB.
BIOS · 820-01134 · 747 KB · 23 Dec 2023BIOS zip747 KB - A1419 820-3478-A BIOS 8MB BIOS
BIOS image for the Apple A1419 iMac logic board 820-3478, sized for an 8 MB flash chip, packed in a 3.92 MB RAR.
BIOS · 820-3478 · 3.92 MB · 4 Jun 2022BIOS rar3.92 MB - A1418 820-00597-A
Firmware image in .fd format for Apple iMac A1418, logic board 820-00597 revision A, sized 8.00 MB.
BIOS · 820-00597 · 8.00 MB · 30 Jul 2020BIOS fd8.00 MB - A1419 820-00292-A W25Q64 MK472CH-A820-00292-A
Firmware for an Apple A1419 iMac logic board 820-00292-A, with a W25Q64 flash chip and the model code MK472CH/A noted in the name.
BIOS · 820-00292 · 4.21 MB · 22 Aug 2023BIOS rar4.21 MB - A1312 820-2828-A bios
BIOS firmware archive for the Apple A1312 iMac logic board 820-2828, revision A, packed as a RAR of about 6.66 MB.
BIOS · 820-2828 · 6.66 MB · 14 Mar 2021BIOS rar6.66 MB