Dual socket upgradeable computer motherboard with automatic detection and enablement of inserted upgrade CPU chip
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United States of America Patent
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Oct 3, 1995
Issued Date -
N/A
app pub date -
Dec 28, 1992
filing date -
Aug 22, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An upgradeable/downgradeable data processing system capable of operating with different types of central processing units (CPU). The system has a first socket for registration of a first CPU and a second socket for registration of a second CPU. Means are provided for preventing possible signal contention between the first and second CPU, and for synchronizing clocks for operating a CPU with the system clock. Means are also provided for interfacing with a coprocessor associated with the different types of CPU as well as for adjusting the signals to and from the CPU to the signal width of the system.
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