Boards 820-00850 2
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- A19 4MBIOS · 4.00 MB · 10 May 2025BIOS bin—4.00 MB
- 4MB A19BIOS · 4.00 MB · 10 May 2025BIOS rom—4.00 MB
- A1989 820 00850 A macbook pro 1mb pd & 4mb main bios@dtech369BIOS · 820-00850 · 2.64 MB · 10 Apr 2026BIOS rar2.64 MB
- Dell OptiPlex 990 System BIOS, A19 2MB 4MBBIOS · 6.34 MB · 6 Jan 2026BIOS rar—6.34 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