Apple Macintosh PowerBook 145 - Manual (Page 274)

3. Click MS-DOS.
4. If necessary, click the capacity (in K) of the disk you
inserted.
If you want to initialize a high-density (Ó) disk in MS-DOS
format, 1440K is the only option and it is already selected. If
you inserted a double-sided disk, click 720K.
Apple File Exchange cannot initialize a high-density disk in
720K format, nor can it read a double-sided disk that has been
initialized in the high-density (1.4 MB) format.
5. Click Initialize.
When initialization is finished, a message asks you to name
the disk.
6. Type a name for the disk, and then click OK.
MS-DOS filenames can have up to eight characters, followed
by an optional period and up to three characters.
The name of the disk you initialized appears above an empty
window. The disk’s icon doesn’t appear on your Macintosh
screen because the Macintosh can’t recognize a disk in
MS-DOS format.
7. Choose Quit from the File menu.
258 Appendix B: Exchanging Disks and Files With MS-DOS Computers
Disk capacity is the same
for Macintosh and MS-DOS
high-density disks.