-DRESULT disk_read (BYTE pdrv, BYTE* buff, DWORD sector, UINT count);\r
-DRESULT disk_write (BYTE pdrv, const BYTE* buff, DWORD sector, UINT count);\r
+DRESULT disk_read (BYTE pdrv, BYTE* buff, LBA_t sector, UINT count);\r
+DRESULT disk_write (BYTE pdrv, const BYTE* buff, LBA_t sector, UINT count);\r