Modern CPUs have a backstage cast
As the author of <a href="https://superuser.com/a/347115/38062" rel="nofollow">https://superuser.com/a/347115/38062</a> and <a href="https://superuser.com/a/345333/38062" rel="nofollow">https://superuser.com/a/345333/38062</a>, you have my sympathy about the "pack of lies" involving real mode and several wrong combinations of selector and offset.