Tried FAT32 - Didn't work, however...
...I just found a related link http://forums.whirlpool.net.au/forum-replies-archive.cfm/634358.html which lead me to http://www.ritekusa.com/ebpage.asp?page=Driver%20download%20-%20150X%20Secure%20Digital and Ritek's, seemingly, wonderful "fix program" for...