Epson CW3S16 Operation Manual page 178

Start Cylinder Number
See Figure E-2.
Enter the cylinder number where you want the formatting to
begin. The default value is '0'.
End Cylinder Number
See Figure E-2.
Enter the cylinder number where you want the formatting to
end. The default value is the last cylinder in the drive.
Start Head Number
See Figure E-2.
Enter the head number where you want the formatting to
begin in the cylinders specified in the previous two fields. The
default value is '0'.
End Head Number
See Figure E-2.
Enter the cylinder number where you want the formatting to
end. The default value is the last head in each cylinder.
Proceed
If all the previous entries contain the appropriate values, then
press 'Y'. If 'N' is entered here, the cursor will return to the
Disk Drive Type field. When you are satisfied with the values
entered at each field, enter 'Y' at the Proceed field. A
WARNING message appears:
Advanced ROM Diagnostics
E-15