Epson LT - 286e - Manual (Page 30)

When you select Hard Disk Format, DIAG requests the
following hard disk parameters:
Disk drive identifier
Disk drive type
Interleave factor
Bad track list (optional)
Start cylinder number
End cylinder number
Start head number
End head number
If you do not specify the bad track list, DIAG performs an
analysis of the surface of the hard disk to determine the bad
tracks.
DIAG displays the following messages after you specify the hard
disk parameters:
W A R N I N G
All data on Hard disk you have
specified may be LOST...
DO YOU STILL WANT TO CONTINUE (Y/N)?
Press Y and Enter to start formatting the hard disk. Press N and
Enter to stop the operation.
Auto Interleave
This test lets DIAG determine the interleave factor for your
hard disk.
System Diagnostics 25