Monitoring device of computer mainboard PCI (Peripheral Component Interconnect) bus

Abstract

The invention discloses a monitoring device of a computer mainboard PCI (Peripheral Component Interconnect) bus. The monitoring device comprises a PCI address data caching module, a PCI instruction caching module, an odd-even check instruction module, a parameter configuration register, a slave equipment logic control module, a master equipment logic control module, a first-in first-out circuit caching module, a direct memory access module, a time sequence detection logic control module, a liquid crystal control and display module, a memory control module, a memory module, an error time sequence control module and a manual control switching module and is characterized in that the PCI address data caching module is used for carrying out address data exchange with a PCI bus protocol monitoring device and a PCI bus. The PCI bus monitoring device not only can monitor whether a time sequence generated when the computer mainboard PCI bus and target equipment normally exchange data meets the standard of the PCI protocol or not, but also can monitor and measure the time sequence generated when the target equipment abnormally returns data to the computer mainboard PCI bus.

Description

technical field [0001] The invention relates to a computer motherboard PCI bus monitoring device. Background technique [0002] At present, the PCI bus protocol monitoring device mainly monitors and measures whether the timing of the computer main board PCI bus normally sending data to the target device and the timing when the target device normally returns data to the computer main board PCI bus conform to the standard of the PCI bus protocol, but cannot monitor the target device. The timing of error loopback data to the PCI bus of the computer motherboard is monitored and measured. Therefore, the current PCI bus protocol monitoring device cannot determine whether the computer main board can make a corresponding response to the data transmission of the wrong timing of the PCI device. [0003] Therefore, a PCI bus protocol monitoring device has been developed that can monitor and measure the timing of the normal exchange of data between the PCI bus of the computer motherboa...

AI Technical Summary

Problems solved by technology

[0002] At present, the PCI bus protocol monitoring device mainly monitors and measures whether the timing of the computer main board PCI bus normally sending data to the target device and the timing when the target device normally returns data to the computer main board PCI bus conform to the standard of the PCI bus protocol, but...

Images