Computer system including a dual memory configuration which supports on-line memory extraction and insertion
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United States of America Patent
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Jul 28, 1998
Issued Date -
N/A
app pub date -
Feb 3, 1997
filing date -
Sep 29, 1992
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A computer system and method for enabling memory expansion without shutting off the computer system are disclosed. The computer system has a dual memory configuration and supports memory insertion and extraction while being on-line. The memory content of one system may be copied to the memory of another system according to a predetermined priority or after a predetermined delay. Memory may be used efficiently during the insertion or extraction by securing a status management table expansion area in an expanded portion of memory. Memory may be expanded in computer systems that do not have an open memory slot by replacing the installed memory with a memory having a larger capacity.
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