Patent ID: 11907072
Assignee: NUVOTON TECHNOLOGY CORPORATION
Field: Computer technology (Electrical engineering)
Classification: CPC G  Y | IPC G

Claim 8:
9. A bios recovery and backup method executed in a controller of a computing device, wherein the bios recovery and backup method is executed when the computing device boots, and the bios recovery and backup method comprising:
using a first security key to verify a security profile stored in a storage device;
determining an operation mode profiled by the security profile according to a security profile configuration stored in the controller when successfully verifying the security profile;
completing booting of the computing device when the operation mode is a non-secure mode;
using at least one basic input/output system (BIOS) stored in the storage device to recover a main BIOS and rebooting the computing device when the operation mode is a secure mode and the main BIOS in the computing device is invalid; and
backing up the main BIOS and storing in the storage device when the operation mode is a secure mode but the storage device does not store the main BIOS.