HackerNews
Oral History of Ken Thompson (2005) [pdf](http://archive.computerhistory.org/resources/text/OralHistory/ThompsonKen/thompson.oralhistorytranscript.2005.102657921.pdf)
Oral History of Ken Thompson (2005) [pdf](http://archive.computerhistory.org/resources/text/OralHistory/ThompsonKen/thompson.oralhistorytranscript.2005.102657921.pdf)
HackerNews
Emulated Iopl()
Emulated Iopl()
lwn.net
Emulated iopl()
Operating systems and computing hardware both carry a lot of their history
with them. The x86 I/O-port mechanism is one piece of that history; it is
rarely used by hardware designed in the last 20 years, but it must
still be supported. That doesn't mean…
with them. The x86 I/O-port mechanism is one piece of that history; it is
rarely used by hardware designed in the last 20 years, but it must
still be supported. That doesn't mean…