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- Mon Oct 03, 2016 1:44 pm
- Forum: Site Comments, Suggestions, and Ideas
- Topic: Chapter 9 Enabling A20
- Replies: 0
- Views: 15251
Maybe add the following information Intel no longer supports the A20 gate starting with Haswell. Page 271 of the Intel System Programmers Manual Vol. 3A from June 2013 states: "The functionality of A20M# is used primarily by older operating systems and not used by modern operating systems. On newer ...