Editing Protected mode (section)

== 386 additions to protected mode ==

With the release of the 386, the following additional features were added to protected mode:<ref name="i386 additions" />

* [[Paging]]
* [[32-bit]] physical and virtual [[address space]] (The 32-bit physical address space is not present on the [[80386SX]], and other 386 processor variants which use the older 286 bus.<ref name="80386SX address bus">{{ cite web | url = http://www.cpu-world.com/CPUs/80386/index.html | title = Intel 80386 processor family | access-date = 2007-07-24 | last = Shvets | first = Gennadiy | date = June 3, 2007 | format = Article | quote = 80386SX&nbsp;— low cost version of the 80386. This processor had 16 bit external data bus and 24-bit external address bus. }}</ref>)
* 32-bit [[memory segment|segment]] offsets
* Ability to switch back to real mode without resetting
* [[Virtual 8086 mode]]