Epson 386/33 PLUS User Manual

The controller displays one of the following messages when an

error occurs during a diagnostics procedure:

Attachment 

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 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.

Destructive tests

Non-destructive tests

Diskette format

Random R(ead/W(rite)

Sequential R(ead/W(rite)

Drive speed

Drive change line