Epson I+ - Manual (Page 121)

Note: This test destroys all data on the innermost cylinder of the selected
hard disk drive. This cylinder is reserved for diagnostics, and is never
used for storage by MS-DOS. Therefore, data created by MS-DOS
is not destroyed.
Select option 2 from the menu to start this test. You see these messages:
The data on the highest physical cylinder may be
destroyed by this check.
E n t e r Y t o s t a r t t h i s c h e c k .
Enter N to return to the menu.
Press Y and then Enter to continue with the test.
You do not see a cylinder count during the test. If no errors occur, the
program returns to the menu.
If an error is reported, make a note of the code and message. Then use
the Non-destructive surface analysis (option 4 on the HARD DISK
FORMAT MENU) to check the condition of the hard disk. If this analysis
shows no other problems with the disk, follow these steps:
1. Back up all the files on your hard disk.
2. Re-format the disk using option 2, Format hard disk, on the
OPERATION MENU.
?. Re-create the MS-DOS partition with FDISK and format it with
SELECT. (See your MS-DOS manual.)
4. Restore your files.
Error detection and correction check
This test checks the ability of the hard disk drive to detect a read/write
error and to correct the data accordingly.
Note: This test destroys some data on the innermost cylinder of the
selected hard disk drive. This cylinder is reserved for diagnostics,
and is never used for storage by MS-DOS. Therefore, data created
by MS-DOS is not destroyed.
Select option 3 from the menu to start this test. You see these messages:
The data on the highest physical cylinder may be
destroyed by this check.
-Enter Y to start this check.
Enter N to return to the menu.
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