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Floppy disk diagnostics, C-20 – Epson EQUITY 386SX/16 PLUS User Manual

Page 208

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The controller displays one of the following messages when

an error occurs during a diagnostics procedure:

Address mark not found

Attachment failed to respond

Bad ECC on disk read

Bad sector flag detected

Controller has failed

Drive activity failed

ECC corrected data error

Requested sector not found

Reset failed

Seek operation failed

Write fault on selected drive

If you see one of these error messages, check the drive,

controller, cables, and power connectors. If you still get an
error, contact your dealer.

Floppy Disk Diagnostics

Floppy disk diagnostic tests may be destructive or non-
destructive. Destructive diagnostics destroy data on the
diskette, but non-destructive diagnostics do not. The
following table lists which tests are destructive and which are
not.

Diskette format

Random R(ead)/W(rite)

Sequential R(ead)/W(rite)

Drive speed

Drive change line

C-20

Performing System Diagnostics