I am not sure I understand the question, but there are good sources of
information.
See:
Description of the FAT32 File System
ID: 154997.KB.EN-US
http://support.microsoft.com/default.aspx?scid=KB;EN-US;154997
Maximum Partition Size Using FAT16 File System
ID: 118335.KB.EN-US
http://support.microsoft.com/default.aspx?scid=KB;EN-US;118335
Limitations of FAT32 File System
ID: 184006.KB.EN-US
http://support.microsoft.com/default.aspx?scid=KB;EN-US;184006
Best regards,
Tom Montefusco
"This posting is provided "AS IS" with no warranties, and confers no
rights"