Importance

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Abstract

A system for providing a signal indicating whether a processor is installed and providing improved voltage regulation. A contact is selected and isolated from an array of ground contacts and is further coupled with circuit for generating an INSTALL signal. A capacitor and pull up resistor coupled to a supply voltage, ground and the isolated contact form a signal line at a common node such that a circuit to ground is completed through the processor and the isolated contact when the processor is plugged in and a direct signal indication of the presence or absence of the processor is provided. Voltage sense lines of a Voltage Regulation Module (VRM) are coupled directly to processor contacts isolated from an existing voltage supply contacts coupled to the supply plane of a supply voltage within the circuit board providing improved regulation without adversely affecting power supply current capacity considerations.

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First Claim