| 摘要 |
PROBLEM TO BE SOLVED: To provide a data storage device allowing link-up on an always optimum link setting condition even when a link setting condition is not optimum. SOLUTION: The data storage device includes a connection control part (31, 32) automatically setting the link setting condition when performing link-up processing with an upper connection device and performing communication connection and further includes: a link setting condition monitoring means (33, 34) for monitoring the link setting condition in the connection control part; a link setting condition optimum decision means (35) for deciding whether the detected link setting condition is optimum or not; and a resetting control means (36) for resetting the optimum link setting condition when it is decided that the link setting condition is not optimum, and performing control to perform the link-up processing. COPYRIGHT: (C)2009,JPO&INPIT
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