Trusted redundant fault-tolerant computer system
A redundant fault-tolerant, computer technology, the redundancy in the hardware is used for data error detection, response error generation and other directions, which can solve problems such as unreliable personnel, property, and loss.
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[0013] see figure 1 , the system adopts dual redundant / dual active / high availability cluster mode, adopts CPCI architecture, and adopts 1+1 redundant mode for power supply.
[0014] see figure 2 , in each set of trusted computer subsystems, a medium-sized FPGA is extended between the TCM and the motherboard BIOS and CPU to realize bus interface conversion and bus switch control between the TCM, BIOS and processor systems. details as follows:
[0015] 1) TCM is connected to FPGA through SPI, and after FPGA is converted to LPC, it is connected to BIOS and CPU to realize active measurement.
[0016] 2) TCM self-defined bus interface PSRAM is converted to PCI through FPGA. The CPU can access and call the trusted service of the TCM through the PCI bus.
[0017] 3) The CPU reset signal is connected to the FPGA and is controlled by the TCM. When the power is turned on, the TCM starts first and puts the CPU in a reset state.
[0018] 4) The BIOS is connected to the FPGA through...
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