Motherboard having advanced fan control features

Details Motherboard having advanced fan control features Motherboard having advanced fan control features

2006-10-24

2008-08-19

Decady, Albert (Department: 2121)

Data processing: generic control systems or specific application

Specific application, apparatus or process

Specific application of temperature responsive control system

C700S019000, C700S050000, C710S100000, C713S300000, C361S689000

Reexamination Certificate

active

07415322

ABSTRACT:
A motherboard is capable of accepting various types of fans from same or different manufacturers and is capable identifying the type of fan to which it is connected. In one embodiment, the motherboard is capable of decoding bar code data originating from a fan of the type which, rather than including circuitry for generating a single index pulse, includes an integral optical sensor and bar code pair for generating the bar code data, the motherboard being further capable of and identifying the fan based on the bar code data. Fan identification has a variety of uses including, for example, adjusting motherboard parameters to properly operate the fan based on the type of fan presently coupled to the motherboard. Additionally, fan speed may be calculated from pulses which are intended to identify the fan.

REFERENCES:
patent: 6487463 (2002-11-01), Stepp, III
patent: 6697254 (2004-02-01), King et al.
patent: 6725132 (2004-04-01), Frankel et al.
patent: 6813150 (2004-11-01), King et al.
patent: 7315448 (2008-01-01), Bash et al.
patent: 2005/0240316 (2005-10-01), Mayer

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