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The “dc42” folder contains disk images withthe Disk Copy 4.2 header, and having filetags and checksums. The original Macintosh 128K and 512K can only use MFSand not HFS. The “mfs” folder contains disk images in theMFS format (Macintosh File System).All the other disk images in Blanks are in “HFS” format (Hierarchical File System), the standard for a Macintosh Plus.MFS preceded HFS. In general, it may not a good idea touse the largest sizes, for reasons described below. The “M” folder contains disk images larger or equal to1 megabyte, up to 224M. The “K” folder contains disk images smaller than 1 megabyte,in powers of 2 starting at 128K (the smallest that works),and also multiples 1.25, 1.50, and 1.75 of those powers. But Mini vMac doesn'temulate the real floppy drive, replacing the disk driverin ROM, and so can use any size disk image, not just 400K and 800K. A real Macintosh Plus floppy drive could use 400K disks,but not 1440K, which came later. The top level of the blanks folder contains 2 other disk imagesin the sizes of standard Macintosh floppy disks: 400K and1440K. For example, unzip “800K.zip”to get “800K.dsk”, an 800K blank disk image, the size ofa floppy disk normally used by a real Macintosh Plus.įor information about using disk images in Mini vMac,see the ' Floppy Drive'section of the Hardware Reference.To transfer files from your realcomputer into and out of disk image files, see the utilities ImportFl and ExportFl. “blanks-1.1.zip” is a zip archive containing a folderof zipped empty Macintosh disk image files of various sizes and formats.įirst unzip “blanks-1.1.zip” to get the folder“blanks”.Then when you need a blank disk image, unzip one of the filesin this folder.