-/* When _MULTI_PARTITION is set to 0, each volume is bound to the same physical
-/ drive number and can mount only first primary partition. When it is set to 1,
-/ each volume is tied to the partitions listed in Drives[]. */
+/* When set to 0, each volume is bound to the same physical drive number and
+/ it can mount only first primaly partition. When it is set to 1, each volume
+/ is tied to the partitions listed in VolToPart[]. */
+
+
+#define _USE_ERASE 0 /* 0:Disable or 1:Enable */
+/* To enable sector erase feature, set _USE_ERASE to 1. CTRL_ERASE_SECTOR command
+/ should be added to the disk_ioctl functio. */