Patent ID: 7484033
Filing Date: 2009-01-27
Classification: G06F

Abstract:
1. A PCI-Express communication system, which uses a PCI-Express switch carrying out packet transfer by connecting a plurality of modules, comprising: setting a unique node ID for each of a plurality of the modules for indicating each module, as well as setting a channel ID for each channel used for data transfer; setting in an address field of a packet for data transfer, the node ID of a transfer destination module, the channel ID of the channel used for the data transfer, and a packet type to indicate whether the packet is a request or a response type packet; using a memory write request packet to be routed according to a PCI-Express switch address routing for the data transfer, and as channels used for the data transfer, providing a PUT transfer dedicated channel for writing data in a module at the other end and a GET transfer dedicated channel for reading data from a module at the other end.