: It emulates the floppy drive seek noise , the slow redraw of CGA, and even the correct timing of Windows 1.0’s Reversi game.
You have three good options:
Comparing file hashes (CRC32/SHA-1) of extracted files against known good floppy dumps (e.g., from Microsoft’s own 2014 open-sourcing of Windows 1.0 source code) confirms that most hobbyist ISOs are accurate to original floppy contents. windows 1.0 iso
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