If it's FAT16, just get yourself over to a 95/98 box, make a boot floppy and copy the scandisk of the box to the floppy. If that still doesn't do it, take Ashtons excellent advice and get a copy of spinrite.
For every human problem, there is a neat, simple solution; and it is always wrong H. L. Mencken, Mencken's Metalaw
I know chkdsk got a bad name but that was just the DOS version. The NT version should be much better, but I don't know what it's like on FAT16 partitions.
Wade.
"All around me are nothing but fakes Come with me on the biggest fake of all!"