NVIDIA announced the Enthusiast System Architecture back in November 2007, it promised to consolidate system and hardware monitor by using a single communication protocol. NVIDIA have pledged to make ESA free without licensing fees. The tool governs what you might want to monitor, such as temperatures, fan speeds, voltages are passed over on a standard USB connection to the host. You will need a ESA-compliant hardware with information to report, and you will need the software to gather the data.

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