> > Could it have something to do with the data's alignment within a write > > block on the flash? >=20 > I don't have any control over where the FTL decides to put the data but i= t > should be block-aligned. And of course it does always play properly after a > format. From the outside no data seems to have changed. The FAT is the > same, and files match the originals >=20 > As James has mentioned, a lot of the FTL's activities are not able to be > accessed and examined. All that's available is the user interface. If the FTL is > playing up there's not a lot you can do about it >=20 > Joe My point is that the FTL might deal differently with aligned and unaligned blocks. I know you can't see or control this, my comment is just a hypothesis of what might be going on under the hood. ~ Bob Ammerman RAm Systems --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .