Nope! Modern systems don't ship with BIOS CSMs anymore, and won't even let you boot 32-bit applications let alone 16. Intel also wants to drop real mode entirel

Nope! Modern systems don't ship with BIOS CSMs anymore, and won't even let you boot 32-bit applications let alone 16. Intel also wants to drop real mode entirely https://www.intel.com/content/www/us/en/developer/articles/technical/envisioning-future-simplified-architecture.html https://www.intel.com/content/www/us/en/developer/articles/t...