Boot sector Sectors $01-$09 is boot sector. $0A-$0F are empty. Directory $10-$17 are directory. I don't know what's first entry, containing $0E empty bytes and $7F $A5 at the end (for MD) and $57 $A5 for SD. Offset Description $00 Flags bit 0 Unknown bit 1 Unknown bit 2 Unknown bit 3 Unknown bit 4 Unknown bit 5 Unknown bit 6 Unknown bit 7 Unknown $01-$08 Filename (padded by spaces) $09-$0B Extension (padded by spaces) $0C Number of blocks (8 sectors) $0D Starting block $0E-$0F Length of file in bytes FAT Sector $18 is FAT. Maximum number of blocks that could be allocated is $7F. $FF - can't be allocated $FE - free $FD - eof other - link to other block This format is just guessed. Back (c) 1998-2004 Jindroush Last modified: Sun Dec 5 19:28:22 1999