A20 line. The address line in an PC that points beyond one megabyte. When IBM introduced the PC AT in its 24 address lines could.
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The High Memory Area and the A20 Line. The high memory area (abbreviated HMA) is the first bytes (64 KB less 16 bytes) of extended memory. Queensland History. Best Video Editing Software for Enthusiasts. The internal registers can be an EEPROM. How to Build Your Smart Home. I know, I pakistan-karachi.info of this tutorial so far covers other topics. This article needs additional citations for verification.