A method of controlling a semiconductor memory card system including a host device incorporating a semiconductor memory card and communicating information with a user of the host device to warn the imminent end of the life of the memory card in the system is provided. According to one aspect, there is...http://www.google.ca/patents/US20080046649?utm_source=gb-gplus-sharePatent US20080046649 - METHOD OF CONTROLLING SEMICONDUCTOR MEMORY CARD SYSTEM