Seriously upgraded XT

[Randrianasulu]

https://sites.google.com/site/misterzeropage/

I also "just learned" there were 386 or even 486 upgrades for AT machines ...o.O

https://www.cpushack.com/2019/08/14/how-to-386-your-at-intel-inboard-386-at/

with pictures.

https://dosdays.co.uk/topics/cpu_upgrade_options.php
for 286->486 there is text only mentions...

[ghaerr]

Those look like pretty cool options for upgrading an XT. Let us know if you try booting ELKS on any of them, they should all work. :)