Information storage medium, information read/write device, coordination system, control program for the device or system, and computer-readable storage medium

An information read/write device writing/reading information on an information-readable information storage medium including at least a first information storage area and a second information storage area, wherein:

• the first information storage area contains, in advance, first information which is software or content;
• and
• the second information storage area is either write-once or rewriteable and available for writing second information for use by the first information,
• said device comprising:
• a storage section for storing information;
• second information verification means for verifying whether the storage section contains or does not contain the second information;
• and
• writing control means for, if the second information verification means has verified that the storage section contains the second information, writing the second information to the second information storage area of the information storage medium.

An information read/write device writing/reading information on an information-readable information storage medium including at least a first information storage area and a second information storage area, wherein:

• the first information storage area contains, in advance, first information which is software or content;
• and
• the second information storage area is either write-once or rewriteable and available for writing second information for use by the first information,
• said device comprising:
• a storage section for storing information;
• first information verification means for verifying whether the storage section contains or does not contain the first information;
• second information verification means for verifying whether the storage section contains or does not contain the second information;
• writing control means for, if the first information verification means has verified that the storage section does not contain the first information, storing the first information in the storage section or for, if the second information verification means has verified that the storage section does not contain the second information, storing the second information in the storage section.