IA-32 would imply it'd run in any IA-32 processor, the same as i386 since later versions are backwards compatible up to there, so they're functionally the same.

IA-32 would imply it'd run in any IA-32 processor, the same as i386 since later versions are backwards compatible up to there, so they're functionally the same. It won't run in i486 or i386, though, so they're both inaccurate names