: Some older motherboards require a DOS-bootable environment to flash firmware. If you are trying to set this up right now, let me know:
You might wonder, why bother? Here are real-world use cases: ms dos 622 iso work
Many 1990s classics like DOOM , Duke Nukem 3D , and Oregon Trail require the specific memory management (HIMEM.SYS and EMM386) of DOS to run with sound and music. : Some older motherboards require a DOS-bootable environment