Editing AC'97 (section)

== Revisions ==
{{missing information|section|revision dates (which year)|date=August 2022}}
AC'97 has had several revisions:<ref name="ac97">{{citation |archive-url=https://web.archive.org/web/20090824055417/http://download.intel.com/support/motherboards/desktop/sb/ac97_r23.pdf |archive-date=August 24, 2009 |url=http://download.intel.com/support/motherboards/desktop/sb/ac97_r23.pdf |title=Audio Codec '97 |version=Revision 2.3 Rev 1.0 |publisher=Intel Corporation |date=April 2002 |access-date=December 22, 2007 |url-status=bot: unknown }}</ref>

* AC'97 1.x compliant indicates fixed 48&nbsp;kHz sampling rate operation (non-extended feature set)
* AC'97 2.1 compliant indicates extended audio feature set (optional variable rate, multichannel, etc.)
* AC'97 2.2 compliant indicates extended audio, enhanced riser audio support, and optional [[S/PDIF|Sony/Philips Digital Interface Format]]
* AC'97 2.3 compliant indicates extended configuration information and optional [[jack sensing]] support

AC'97 revision 2.3 enables [[Plug and Play]] for the end user. This revision provides means for the audio codec to supply parametric data about its [[analog device|analog interface]] much like [[Intel High Definition Audio]].