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Option 2, destructive surface analysis – Epson 386/25 User Manual

Page 244

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You see the head and cylinder numbers decrease as the program
progresses. When formatting is complete, the program flags any

bad tracks and you see a series of messages like these:

Format

finished.

Flagging bad tracks...

Cylinder is

nnnn,

head is

nn

Format completed.

Press ENTER to return to the menu.

Press

Enter

to return to the Hard Disk Format Menu.

Option 2, Destructive Surface Analysis

You can perform a Destructive surface analysis of your hard disk

to accurately locate any bad tracks, and flag any bad tracks that

are not flagged.

Caution

If any errors occur during this check, all data on the track
that produces the error is destroyed. For this reason, if you
think that an unflagged bad track is causing trouble, first run

option 3, Non-destructive surface analysis, to check the disk
surface.

The Destructive surface analysis operates by a complex process
of writing, reading, and verifying information on every track of

the hard disk, except for tracks that are already flagged as bad

tracks.

C-10

Physically

Formatting a Hard Disk