Apple 4 MB BIOS dumps

8 BIOS files for Apple boards with a 4 MB flash chip.

Boards and models

Apple 4 MB BIOS files

FileSizeRevAddedSource
MAC A1989 820-00850-A 4MB BIOS
BIOS4 MB
820-00850 · A1989
2.2 MB
A
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APPLE A1286 MLB 820-2850-A 4MB BIOS
BIOS4 MB
820-2850 · A1286
4.6 MB
A
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IMACK 820-2542-A 4MB BIOS
BIOS4 MB
820-2542
1.3 MB
A
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Imac A1224 MX25L3205 20230619 13749 WORKING BIOS 100%
BIOS4 MBTested
A1224
1.3 MB
—
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Apple A1278 K24 820-2530-A 2009 13 INCH 4MB BIOS
BIOS4 MB
820-2530 · A1278
2.6 MB
A
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Apple MacBook A1347 820-2577-A 4MB BIOS
BIOS4 MB
820-2577 · A1347
2.7 MB
A
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BIOS Apple Macbook A1286 M98 820-2330-A 4MB
BIOS4 MB
820-2330 · A1286
1.4 MB
A
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820-2850-A MacBook Pro A1236
BIOS4 MB.bin
820-2850 · A1236
4.0 MB
A
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