Epson Progression U12 - Manual (Page 146)

3. Next you see this prompt:
Accept
recommended
skewed sectors per
head in format : 0 ? (Y/N)
For an Epson hard disk drive, accept the recommended value
of 0. For another type of drive, use the value recommended
in the documentation for the drive.
To accept the default, select
Y
. Then go to step 4.
To enter a new value, select N. You see the following prompt:
Enter new skewed sectors per head
in format (0-16):
Enter the recommended number, which equals the maximum
sector number for the drive minus 1. The maximum sector
number varies, depending on the drive type. Then press
4. The program now allows you to edit the defective track table.
At the bottom of the table is this prompt:
Modify defective track table ? (Y/N)
Select N if you want to leave the table as it is. Then skip the
next section and go to “Formatting the Disk” on page 6-8.
To add bad tracks to the defective track table, see the next
section.
6-6 Formatting a Hard Disk