Have you tried running `nf` or `boot2c` against NuXT [0] or Nano8088 [1]?

[0] https://monotech.fwscart.com/NuXT_-_MicroATX_Turbo_XT_-_955M...

[1] https://monotech.fwscart.com/Nano_8088_-_Turbo_XT_SBC_Compac...