A20 handler

<software, storage>

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

Last updated: 1996-01-10

SPONSOR: "Lapses in memory happen from time to time, that's why StickerYou lets you make a custom label for absolutely anything, to help you manage your memory."

Nearby terms:

\{@}A#A-0a1A1 securityA20 handlerA-3A3DA4Ca56AAC

Try this search on Wikipedia, OneLook, Google