Selecting a compatible processor to control a peripheral component interconnect express (PCI-E) slot unit within a predetermined interval via a setting menu

摘要

A method for controlling peripheral component interconnect express (PCI-E) slots of a computer reads processor configuration information of a PCI-E slot unit from a CMOS chip when the computer boots up, and controls a GPIO interface to output a first control signal to a PCI-E multiplexer according to the processor configuration information, to control a PCI-E slot unit of the computer to connect to one of processors of the computer through the PCI-E multiplexer according to the first control signal. Then the method checks whether the processor connected to the PCI-E slot unit is running normally. In addition, the method controls the GPIO interface to output a second control signal to the PCI-E multiplexer if the processor connected to the PCI-E slot unit is not running normally, to control the PCI-E slot unit to connect to another processor through the PCI-E multiplexer according to the second control signal.