If you have one of the recent no-label ones (which are DSONE SDHCs) you'll need this: https://flashcard-archive.ds-homebrew.com/SuperCard/DSONE_SDHC_DSONEi/SuperCard_DSONE_SDHC_EOS_sp6_20121206.zip
If it's actually an original, as in doesn't support SDHC SD cards, then you need this...