well if u have a max partition size of 4 gig, max file size is 4 gig, but i know mx partition size of fat32 is bigger than that, try running fdisk
.. i have multiple partitions > 4 gig some of the partitions are fat32 and i know the max file size on them is 4 gig i've tried, to do successful dvd rips etc etc u need ntfs really