ec1841: support quad density floppies as an option. #14208
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Disable option ROM on fixed disk controller (onboard BIOS has built-in support).
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Is it known that there was no option rom on that specific HDC? |
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Yes -- here's a photo: https://retropc.org/images/042_006.jpg and BIOS source: https://www.emuverse.ru/wiki/%D0%95%D0%A1-1841._%D0%9B%D0%B8%D1%81%D1%82%D0%B8%D0%BD%D0%B3_BIOS (INT 13h handler starts at line 277) |
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Disable option ROM on fixed disk controller (onboard BIOS has built-in support).