I have an interest in the immense legacy compatibility that PCs are technically capable of (though rarely used). I have watched some videos discussing interfacing with ISA devices by way of the LPC bus, and existing motherboards with legacy ports tend to hook a super io to this bus.
I would be interested in designing a superIO and/or ISA expansion module that would add legacy functionality like parallel, serial, floppy, maybe gameport (with full compatbility that USB adaptors don’t have) (this would be much more of a dock or large dongle than a single I/O module)
For this idea to work, the LPC bus of the device would need to be exposed in a way. Secondly, and prehaps more challenging, I think the BIOS would need to be modifed so that it would report the presence of legacy ports and devices to the OS and allow for basic control of things like floppy type.
Does anybody have any ideas of how LPC could be accessed on any of the framework mainboards and how easy it would be to modify the BIOS to support the addition of legacy devices.
If it is not possible to easily access the bus, then I suppose this post could serve as a request to the framework team to maybe have the LPC bus exposed, maybe just through a tiny cheap pin connector in one of the IO module ports, since I imagine it would be rarely used.