| 摘要 |
PROBLEM TO BE SOLVED: To provide a network system and a network adapter for easily confirming information on software upgrade for a sub processing unit of the network adapter, and for simply determining the necessity for the upgrade. SOLUTION: The network adapter 2 includes: a ROM 2e for storing main software; a main processing unit 2a for executing the main software; a sub storage 2g for storing sub software; and a sub processing unit 2b for executing the sub software. When receiving a request for inquiring sub software version information from an operation terminal 3, the main processing unit 2a obtains the version information from the sub processing unit 2b to transmit the same to a center server 5. The center server 5 determines whether the sub software need be upgraded, when receiving the version information, and transmits the information on the upgrade to a network, when determining that the upgrade is required. COPYRIGHT: (C)2010,JPO&INPIT
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