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- APPLE 1261 820-2262-a bios
BIOS dump for the Apple A1261 MacBook Pro on logic board 820-2262-A, in a 1.27 MB 7z archive.
BIOS · 820-2262 · 1.27 MB · 29 Aug 2020BIOS 7z1.27 MB - APPLE A1297 (K17) 820-2849 PDF
Schematic in PDF form for the Apple A1297 17-inch MacBook Pro, project K17, logic board 820-2849, delivered as a ZIP.
Schematic · 820-2849 · 2.17 MB · 4 Aug 2021Schematic zip2.17 MB - Macbook pro 2011 A1278 820-2936-b 2011
Another boot ROM dump for the MacBook Pro A1278 from 2011, logic board 820-2936 rev B, this one in a 3.77 MB RAR archive.
BIOS · 820-2936 · 3.77 MB · 12 Jan 2021BIOS rar3.77 MB - APPLE A1425
RAR archive of 1.79 MB labelled with Apple model A1425, the identifier used for the 13-inch MacBook Pro with Retina display; the name does not reveal whether it holds a…
Archive · 1.79 MB · 14 Jul 2026Archive rar—1.79 MB - MACBOOK AIR A1466 I5 2012.bin
Raw firmware binary in a ZIP for the MacBook Air A1466, 2012 model with a Core i5 processor.
BIOS · 4.58 MB · 20 Oct 2018BIOS zip—4.58 MB - SCHEMATIC APPLE (820-2914-A)
Apple schematic for logic board 820-2914, revision A, supplied as a 1.84 MB RAR. Other entries in this index tie the number to the MacBook Pro 17 A1297, though the name…
Schematic · 820-2914 · 1.84 MB · 16 Sept 2021Schematic rar1.84 MB - Apple LB 820-00165 schematic diagram Lx
Circuit schematic for Apple logic board 820-00165, packed as a 1.30 MB RAR archive, with an unexplained Lx tag in the name.
Schematic · 820-00165 · 1.30 MB · 12 Oct 2021Schematic rar1.30 MB - MAC A1989 820-00850-A 4MB BIOS
Firmware dump for the Apple A1989 logic board 820-00850 revision A, packed as a 2.18 MB RAR archive.
BIOS · 820-00850 · 2.18 MB · 4 Nov 2025BIOS rar2.18 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 - MacBook Pro 15 Touch Bar 2019,820 01814 01,820 01814 A,820 01814
Service archive for the 15-inch MacBook Pro with Touch Bar, 2019 model, logic board 820-01814, with variants 820-01814-A and 820-01814-01 named.
Archive · 820-01814 · 10.5 MB · 26 Feb 2021Archive rar10.5 MB - Apple IMac 27 A1312 SCH K23 MLB Schematics AMD 109 B97157 00
Apple schematic for the iMac 27-inch A1312, K23 logic board (MLB), for the version with AMD graphics, document number 109-B97157-00. The RAR archive is 1.46 MB.
Schematic · 1.46 MB · 11 Jul 2022Schematic rar—1.46 MB - Apple LB 820-00164 schematic diagram Lx
Schematic diagram for the Apple logic board 820-00164, compressed into a 1.25 MB RAR; the Lx tag in the name is not explained.
Schematic · 820-00164 · 1.25 MB · 12 Oct 2021Schematic rar1.25 MB - Apple A1286 820-2532-A Good
EFI firmware dump for the Apple A1286 MacBook Pro on logic board 820-2532 revision A, labelled as good, which suggests a working image. The ZIP is roughly 1.42 MB.
BIOS · 820-2532 · 1.42 MB · 8 Apr 2019BIOS zip1.42 MB - APPLE AIR 1466 OK BIOS
Raw BIOS binary, 8 MB, labelled for an Apple MacBook Air 1466, presumably model A1466, and marked OK as a reported working dump.
BIOS · 8.00 MB · 12 Sept 2025BIOS bin—8.00 MB - password apple
A 4 MB BIN dump labelled password apple, presumably a firmware image related to removing or bypassing a firmware password on an Apple machine.
BIOS · 4.00 MB · 10 Feb 2026BIOS bin—4.00 MB - Apple iMac A1311 K74 051-8337 820-2784 PDF
Schematic in PDF form for the Apple iMac A1311, project K74, logic board 820-2784 with document number 051-8337, supplied in a 2.80 MB RAR archive.
Schematic · 820-2784 · 2.80 MB · 5 Sept 2023Schematic rar2.80 MB - APPLE A1398 (820-00138-A)
BIOS / EFI firmware archive for the Apple A1398 MacBook Pro logic board 820-00138, revision A, compressed to 4.86 MB.
BIOS · 820-00138 · 4.86 MB · 25 Apr 2021BIOS rar4.86 MB - MACBOOK Air A1369-EMC2392 820-2838-A BIOS
EFI firmware dump for the MacBook Air A1369, EMC 2392, on logic board 820-2838-A, stored in a 2.07 MB RAR.
BIOS · 820-2838 · 2.07 MB · 25 Jan 2021BIOS rar2.07 MB - APPLE A1181 (820-2279-A) (BDV)
Boardview for the Apple A1181 MacBook logic board 820-2279, revision A, packed in a small ZIP archive; BDV in the name marks the boardview type.
Boardview · 820-2279 · 133 KB · 7 Jun 2026Boardview zip133 KB - Apple X2819 MLB 820 03286 051 09344 REV;4 0 1 SchematicPDFPK
Schematic PDF for the Apple X2819 MLB logic board, board number 820-03286, schematic project 051-09344, revision 4.0.1.
Schematic · 820-03286 · 4.44 MB · 23 Oct 2026Schematic pdf4.44 MB - Apple A1278 820-2879-B 820-2879 BoardView (BDV)(.BRD)
Boardview for the Apple MacBook Pro A1278 logic board 820-2879, revision B, packed in a RAR archive with a BRD layout file.
Boardview · 820-2879 · 402 KB · 7 Apr 2024Boardview rar402 KB - Apple A1278 820-2879-B 820-2879 PDF
Schematic in PDF form for the Apple A1278 MacBook Pro logic board 820-2879, revision B, compressed as a RAR archive of about 1.65 MB.
Schematic · 820-2879 · 1.65 MB · 7 Apr 2024Schematic rar1.65 MB - Apple A1534 820-00244 08.brd
Boardview for the Apple A1534 MacBook logic board 820-00244, with the name pointing to revision 08, packed as a zipped .brd file of 83.4 KB.
Boardview · 820-00244 · 83.4 KB · 8 Nov 2020Boardview zip83.4 KB - 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 SCHEMATIC 820-3588-A
Apple schematic for logic board 820-3588-A, packed in a 1.52 MB RAR archive. The 820-xxxx number is Apple's board identifier, and the letter marks the revision.
Schematic · 820-3588 · 1.52 MB · 13 Jun 2020Schematic rar1.52 MB - BIOS MAC A1466 820-3437-A
BIOS archive for the MacBook Air A1466 on logic board 820-3437-A, the earlier revision letter of that board.
BIOS · 820-3437 · 4.07 MB · 5 May 2018BIOS rar4.07 MB - BIOS BACKUP MACBOOK AIR A1466 2012 CPU I5 - 2012-Mb EMC2632
Backup of the firmware from a 2012 MacBook Air A1466 with an Intel Core i5, EMC 2632, in a 4.29 MB RAR.
BIOS · 4.29 MB · 5 Apr 2020BIOS rar—4.29 MB - APPLE A1278 820-2565-A
RAR archive of 2.09 MB for the Apple MacBook A1278 with logic board 820-2565-A, where 820 is the Apple prefix for logic board numbers and A marks the revision.
Archive · 820-2565 · 2.09 MB · 1 Sept 2025Archive rar2.09 MB - Apple X502 MLB CATZ 820-00875, 051-02265 r1.0.0 PDF
Schematic PDF for Apple project X502 logic board MLB_CATZ, board 820-00875, document number 051-02265, revision 1.0.0, packed in a 4.82 MB RAR.
Schematic · 820-00875 · 4.82 MB · 27 Jun 2021Schematic rar4.82 MB - APPLE A1466=1=J43 MLB 051-9800 820-3437-B
Repair documentation for the MacBook Air A1466 J43 logic board, 820-3437-B, with Apple schematic reference 051-9800, in a 1.80 MB RAR.
Archive · 820-3437 · 1.80 MB · 23 Feb 2020Archive rar1.80 MB - MBA4,2 BIOS v0077 B12
Apple MacBook Air 4,2 boot ROM, version 0077 B12, for logic board 820-3023. Apple numbers its logic boards 820-xxxx, with a suffix letter for the revision.
BIOS · 820-3023 · 3.73 MB · 30 Jan 2019BIOS zip3.73 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 X2681 MLB-S 820-02918 051-08242 r4.0.0
PDF schematic for Apple logic board project X2681, MLB-S, PCB number 820-02918, schematic 051-08242, document revision 4.0.0.
Schematic · 820-02918 · 4.64 MB · 15 Feb 2025Schematic pdf4.64 MB - APPLE A1286 820-2915-B BIOS TEDTED OK
Boot ROM firmware for the Apple A1286 with logic board 820-2915-B, labelled in the name as tested and working. The archive is a 3.77 MB RAR.
BIOS · 820-2915 · 3.77 MB · 4 Jul 2021BIOS rar3.77 MB - APPLE 820-3642-A 051-9216 MLB D1
Apple logic board 820-3642 revision A documentation with the related 051-9216 document number, also labelled MLB D1 in the name, where MLB stands for main logic board.
Archive · 820-3642 · 1.79 MB · 2 Oct 2021Archive rar1.79 MB - APPLE 820-00138-A WORKING BIOS 100%
Apple logic board firmware for board 820-00138, labelled as a working, fully tested BIOS dump, packed in an 8.68 MB RAR archive.
BIOS · 820-00138 · 8.68 MB · 2 Feb 2023BIOS rar8.68 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 - Macbook Pro 15 Retina A1398 EMC 2910 820-00426 Board View
Boardview package for the MacBook Pro 15-inch Retina A1398, EMC 2910, logic board 820-00426, zipped at 161 KB.
Boardview · 820-00426 · 161 KB · 18 Jul 2020Boardview zip161 KB - APPLE 820-00163-A - A1398 2015 25L6473E BF.bin
Zipped binary of 4.96 MB for the Apple A1398 2015 logic board 820-00163-A with a Macronix 25L6473E flash; the BF tag in the name is not explained and may denote a…
BIOS · 820-00163 · 4.96 MB · 26 Aug 2021BIOS zip4.96 MB - Apple A1278 K24 820-2530-A 2009 4MB BIOS OLD 100% OK
Raw 4 MB BIOS (EFI firmware) dump for an Apple A1278 MacBook Pro, board 820-2530-A with the K24 code, dated 2009 and labelled as an older version reported fully working.
BIOS · 820-2530 · 4.00 MB · 15 Sept 2026BIOS bin4.00 MB