The Intel's i487 is a floating point unit coprocessor for Intel i486SX machines. It was essentially a full-blown i486DX chip. When installed into an i486SX system, the i487 disabled the main CPU and took over all CPU operations. In theory the computer would be able to operate if the original i486SX CPU was removed, although in practice a pin on the i487 prevented this.
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Thursday, February 5, 2009
Intel 80487
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Intel 80487
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