Epson CW3S16 Operation Manual page 170

The Hard Disk Format Test
Warning!
The Hard Disk Format Test is a destructive operation. Back
up the hard disk(s) on which this routine will be performed
before actually performing the operation.
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Note
This test is not valid for a SCSI drive.
Use the Hard Disk Format Test to 1) integrate a new hard disk
to the system, or 2) reformat a used hard disk which has
developed some bad patches as a result of aging or poor
handling.
After entering the Advanced ROM Diagnostic program, the
following screen will appear. "Hard disk" is highlighted with a
block cursor in the main menu. Below this horizontal menu is
another menu which lists all available hard disk tests. "Hard
Disk Format" is highlighted in this menu when it first appears
on the screen.
To perform a Hard Disk Format Test:
Advanced ROM Diagnostics
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