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Yeah, all the DOS backwards compatibility is delivered by the BIOS. Which, in form of legacy CSMs, even exists on modern UEFI machines.
by creshal 10y ago
Yeah, all the DOS backwards compatibility is delivered by the BIOS. Which, in form of legacy CSMs, even exists on modern UEFI machines.
- pavlov 10y agoI guess you're right. I could have sworn that at the x64 junction, they intentionally broke compatibility with booting a 16-bit real mode OS... But quick googling doesn't seem to support that.