The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 21, 2025
Filed:
Sep. 22, 2023
Nuvoton Technology Corporation, Hsinchu, TW;
Keng Hao Hsu, Hsinchu Science Park, TW;
Che Min Liao, Hsinchu Science Park, TW;
NUVOTON TECHNOLOGY CORPORATION, Hsinchu, TW;
Abstract
A mainboard device and an update method of the basic input-output system thereof are provided. The mainboard device includes a flash memory, a universal serial bus (USB) port, and a microprocessor. The code of the basic input-output system is stored in the flash memory. The USB port is connected to an external USB device, wherein the external USB device includes a supply power and stores an update code. The microprocessor includes a power-switching device coupled to the system power and the USB port. When the power-switching device detects that the system power does not provide power and the USB port is provided with the supply power, the microprocessor provides power to the flash memory based on the supply power, and the microprocessor accesses the update code of the external USB device to perform an update operation on the code in the flash memory.