Encyclopedia > A20 handler

  Article Content

A20 handler

The A20 handler is IBM PC memory manager software[?] providing HMA[?]. XMMs[?] usually provide this functionality. Named after the 21st address line (A20), controlling the access to HMA.

See also:

This article (or an earlier version of it) contains material from FOLDOC, used with permission.



All Wikipedia text is available under the terms of the GNU Free Documentation License

 
  Search Encyclopedia

Search over one million articles, find something about almost anything!
 
 
  
  Featured Article
Rule of law

... as a normative ideal, even as legal scholars struggle to define it. Perhaps the most famous exposition of the concept of rule of law was laid down by Albert Venn ...