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From: DrPi <314@drpi.fr>
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Subject: Re: Please Share Ada -Freedos - Dos experiences
Date: Sun, 28 May 2023 13:01:17 +0200
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> However, the biggest obstacle for using FreeDOS is hardware support. FreeDOS depends upon BIOS and all motherboards since 2020 no longer support BIOS. Does anybody know of any hardware produced today that supports FreeDOS?

Do you really need to use an old PC hardware ?

On a PC (and ARM), you can also run QNX which is a real-time 
micro-kernel OS. It is a commercial product but is free for education 
and research.

On PCs its is currently easy to use PCIe extension boards. Like FPGA boards.

Also, there are very powerful non x86 (mostly ARM) hardware today. Most 
of these boards have PCIe ports to easily add extension boards.