Initializes the disk as a 400K disk.
Checked because it is the active choice.

Initializes the disk as a 720K disk. This is recommended for MS-DOS disks.
Checked because it is the active choice.

Initializes the disk as an ordinary 800K disk.
Checked because it is the active choice.

Initializes the disk as a single-sided 400K disk.

Initializes the disk as a 720K disk. This is recommended for MS-DOS disks.

Initializes the disk as an ordinary 800K disk.