APPARATUS FOR UPDATING FIRMWARE OR PARAMETERS AND THE COMPUTER USING THE SAME
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United States of America Patent
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Issued Date -
Nov 28, 2013
app pub date -
May 8, 2013
filing date -
May 23, 2012
priority date (Note) -
Abandoned
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Abstract
An apparatus for updating firmware or parameters is disclosed. The apparatus is disposed in a computer system and electrically coupled to a platform controller hub (PCH) chipset having a first USB host interface and a nonvolatile memory. The apparatus comprises: a second USB host interface; a switch element, electrically coupled to the first USB host interface, the second USB host interface and a USB device, wherein the switch element electrically couples the USB device to either the first USB host interface or the second USB host interface; and a control element, electrically coupled to the second USB host interface and the switch element, wherein when the computer system is not powered on normally, the control element controls the switch element to electrically couple the USB device to the second USB host interface, wherein the control element fetches a firmware or parameters stored in the USB device and updates the nonvolatile memory with the fetched firmware or the parameters.
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