| 摘要 |
PROBLEM TO BE SOLVED: To provide an image apparatus system allowing an effective use such as the speedup of a PCI Express system serving as a high-speed serial I/F. SOLUTION: In a tree structure of the PCI Express system, strongly correlated devices, for example, which are paired necessarily in data transfer, such as a memory 5j temporarily storing image data, a compressor 5i compressing the image data in the memory 5j into coded data, and a HDD 5k storing the compressed coded data are connected to the upstream side via a share switch 9. In this way, data can be transferred between and among the strongly correlated devices 5i, 5j, and 5k only by passing the data through the shared switch 9, and the speed of data transfer can be increased in comparison with a system passing data through a route complex. COPYRIGHT: (C)2005,JPO&NCIPI
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