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SDHC Memory Card complies with new SD specification Ver.2.00. This lates specification was established by SD Card Association to realize data capacity over 2GB.
Due to change In File Allocation System and physical specifications, SDHC Memory Card can not be used with current SD enabled host devices.
SDHC Memory Card can be used with only SDHC enables host devices which carry SDHC logo on devices its self or on its operation manual.