Epson 486SX User Manual page 152

Caution
If any
errors occur during
that produces the error is destroyed. For this reason, if you
suspect an unflagged bad track is causing trouble,
option 3, Non-destructive surface analysis, to check the disk
surface.
To start this test, select
from the Hard Disk Format Menu, You see these messages:
Analyze Hard Disk
Read/Save/Write/Read/Restore/Read
check for all tracks...
Current cylinder is
As the program checks each track, it counts the cylinder
numbers (nnnn) down to zero.
When the test is complete, the program displays a disk status
report, such as the following:
Analysis
Count of tracks flagged bad
Count of tracks with write, read errors
Count of good tracks
No write, read error was detected.
No data was destroyed.
Press Enter to return to the menu.
A - 1 0 Physically Formatting a Hard Disk
Destructive surface analysis
finished.
this check, all data on the track
nnnn
first run
=
n
n
=
= nnnn