Patent ID: 6839777
Filing Date: 2005-01-04
Classification: G06F

Abstract:
1. A method for transferring data in a system including a host computer system coupled through a communication medium to a data acquisition device, the method comprising: configuring a data acquisition device for a data input/output (I/O) operation, wherein the data acquisition device comprises a link buffer; the host computer system preparing a plurality of transfer links, wherein each of the plurality of transfer links specifies a transfer of data between the data acquisition device and the host computer system; transferring a first portion of the plurality of transfer links from the host computer system to a first portion of the link buffer of the data acquisition device over the communication medium; the data acquisition device initiating the data I/O operation; the data acquisition device executing the first portion of the plurality of transfer links from the first portion of the link buffer to transfer data between a data buffer in the data acquisition device and host memory in the host computer system; and transferring a second portion of the plurality of transfer links from the host computer system to a second portion of the link buffer of the data acquisition device over the communication medium, wherein at least a portion of said transferring the second portion of the plurality of transfer links and at least a portion of said executing the first portion of the plurality of transfer links are performed concurrently.