Kreisen 3 8 6 X / X E - Manual (Page 107)

The /4 option switch is used to format 360K-byte double-sided,
double-density diskettes in the computer’s high capacity disk
drive. To do this enter the command:
The computer will proceed to format the diskette.
Upon completion, you will see this message:
Press ENTER not to have a label of your disk. Then the screen
will display;
XXXXXXX bytes total disk space
XXXXXXX bytes available on disk
XXX bytes in each allocation unit
XXXXX allocation units available on disk
Volume Serial Number is XXXX-XXXX
Format another (Y/N)?
Enter N to return to the system prompt. Remove the diskette
from the drive and place it in its protective envelope.
Using Floppy Disks 5-7