You might look for products based on a Vortex86 SoC. Those have a legacy BIOS and can boot MS-DOS and older Windows versions and such.
There are a few open source hardware projects based on this SoC: - https://www.vogons.org/viewtopic.php?f=25&t=80651 - https://www.vogons.org/viewtopic.php?f=25&t=85026 I'm sure there are others too. Hope this helps. :)
_______________________________________________ Freedos-user mailing list Freedos-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/freedos-user