Patent ID: 11874786
Assignee: BYD COMPANY LIMITED
Field: Computer technology (Electrical engineering)
Classification: CPC G  Y | IPC G

Claim 2:
3. The system according to claim 1, wherein
the secondary memory synchronizes data from the primary memory of the primary FEP;
the secondary IO manager is configured to: control the at least one secondary driver according to a channel diagnosis instruction, and transmit the channel diagnosis instruction to the at least one external device by using at least one of the at least one primary driver and the at least one secondary driver, wherein the at least one external device generates a diagnosis packet according to the channel diagnosis instruction, and the secondary IO manager is further configured to: receive status information of the at least one external device, and synchronize data with the primary IO manager; and
the at least one secondary driver is configured to receive the diagnosis packet transmitted by the at least one external device, to diagnose, according to the diagnosis packet, whether there is a fault in a communication link between the primary FEP and the at least one external device and a communication link between the secondary FEP and the at least one external device.