Inventec Corp.

Inventec (pudong) Technology Corporation

Jiang-Tao Yuan

Kun Liu

Peng Zhan

A fan control circuit comprises: a fan controller connected with at least one fan connector, connected with a baseboard management controller (BMC) via integrated circuit bus communication lines and outputting a BMC fan signal wherein said fan controller is powered by a main power supply, and a baseboard status detection circuit connected with the BMC and the fan controller respectively, detecting a heartbeat signal of the BMC, and controlling an output of a fan pulse signal according to the heartbeat signal so as to control a fan connected with the fan controller to operate normally.

Fan control circuit and fan control system

This disclosure provides a hardware structure of a trusted computer, which comprises: a trusted socket and a trusted module compatible with TPM and TPCM specifications; a trusted management module connected to the trusted socket for measuring the credibility; a firmware memory of BIOS connected to the trusted socket. A firmware memory of BMC connected to the trusted socket through a switch module. When the trusted management module is in the standby status, the trusted management module measures the credibility of the firmware memory of the BIOS and the firmware memory of the BMC according to the output signal of the trusted module inserted to the trusted socket, and the computer is allowed being turning on as the measurement is pass. This disclosure further relates to a trusted booting method for a computer.

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Shanghai, China

Jiang-Tao Yuan