Boards 820-3481 9
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- Apple iMac 27 Late 2013 (820-3481-A)BIOS · 820-3481 · 8.00 MB · 12 May 2025BIOS bin8.00 MB
- Apple iMac 27 Late 2013 (820-3481-A)BIOS · 820-3481 · 8.00 MB · 10 May 2025BIOS bin8.00 MB
- Apple iMac 27 Late 2013 (820-3481-A)BIOS · 820-3481 · 8.00 MB · 21 Jul 2020BIOS bin8.00 MB
- 820-3481-ABIOS · 820-3481 · 8.00 MB · 4 Jan 2024BIOS bin8.00 MB
- BIOS Apple iMac 27 Late 2013 820 3481 A telegram BIOS Repair 2025BIOS · 820-3481 · 8.53 MB · 18 Sept 2025BIOS zip8.53 MB
- Apple iMac 27 Late 2013 (820-3481-A)BIOS · 820-3481 · 5.59 MB · 20 Jan 2024BIOS rar5.59 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 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