images RT Classic Car Wallpapers Muscle Car Wallpaper – MustangjliechtyMarch 28th, 2005, 07:23 AMHas the 4GB card been formatted with the FAT32 filesystem in your computer? The D100 supports FAT32, so greater-than-2GB memory cards should not be a problem in theory. :confused: BTW, I've not yet heard of viruses getting on memory cards and affecting digital cameras, yet. I'm sure the day will come