Computer system, access method of peripheral component interconnect express terminal device, and device
A technology for computer systems and endpoint devices, applied in the computer field, can solve the problems of abnormal offline of PCIe endpoint devices and abnormally easy disconnection of cables, and achieve the effect of avoiding the problem of MCE reset.
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[0056] The embodiment of the present invention proposes a high-speed peripheral component interconnection endpoint device access method, computer system and device. When there is a PCIe endpoint device that needs to be hot-swapped, the PCIe endpoint can be directly disconnected without prior notice to the system for preprocessing. The connection between the device and the processor, at this time the processor will not have the risk of MCE reset.
[0057] In the embodiment of the present invention, the situation that the PCIe endpoint device is directly pulled out of the system or fails and goes offline is collectively referred to as abnormal offline of the PCIe endpoint device.
[0058] System architecture of the embodiment of the present invention
[0059] figure 1 It depicts the composition diagram of the computer system provided by the embodiment of the present invention, figure 1 The computer system shown includes a CPU 110 and a memory 120 , and a PCIe endpoint device 1...
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