Amazon.com: The EBOX-3100 is equipped with the SoC x86 compatible modularized processor Vortex86EX (400MHz) which supports various operating systems such as DOS, Linux, and RTOS (real-time operating system) : Electronics
This $188 single-board x86 computer supports Windows, Linux, and Arduino - Liliputing
Intel Plans to License Hybrid Chips That Combine ARM, RISC-V, and x86 | Extremetech