Commodore 1571 - Page 12

1571/C128D SYSTEM TEST
VERSION 1.2.1
* Insert a Formatted Write-Protected Diskette
* Press SPACE - Start Testing
Begins Write-Protect Sensor Test
* Press RETORN - Return to Menu
Displays System Test Main Menu
The Write Protect Sensor Test checks for proper operation on the Write
Protect Sensor by attempting a Format Operation on the Write-Protected
Diskette and Reading the Error Channel.
+------------------------------------------------------------------------------ +
FOR MOST ACCURATE TESTING THE FORMATTED DISKETTE BEING USED SHOOLD
BE FORMATTED ON A KNOWN GOOD DRIVE OTHER THAN THE ONE UNDER TEST
+------------------------------------------------------------------------------ +
FAILURE - DEFECTIVE, UN-FORMATTED OR UN-WRITE-PROTECTED DISKETTE
MIS-ADJUSTED ZERO STOP OR DRIVE ALIGNMENT
DEFECTIVE WRITE-PROTECT SENSOR OR CONTROL LOGIC
* Pass/Fail Status is Displayed
* Press RETURN - Return To Menu
Displays System Test Main Menu
SYSTEM TEST OPTION FOUR - ZERO STOP BUMP TEST
* Insert a Formatted Write-Protected Diskette
* Press SPACE - Start Testing
Begins Zero Stop Bump Test
* Press RETURN - Return to Menu
Displays System Test Main Menu
The Zero Stop Bump Test checks for proper adjustment of the Zero Track
Stop, in 1541 Mode, by bumping the Read/Write Head, (5 Times), against
the Zero Stop and Reading a Pre-Written Mark on the Diskette.
+------------------------------------------------------------------------------ +
FOR MOST ACCURATE TESTING THE FORMATTED DISKETTE BEING USED SHOULD
BE FORMATTED ON A KNOWN GOOD DRIVE OTHER THAN THE ONE UNDER TEST
+------------------------------------------------------------------------------ +
FAILURE - DEFECTIVE, UN-FORMATTED OR UN-WRITE-PROTECTED DISKETTE
MIS-ADJUSTED ZERO STOP OR DRIVE ALIGNMENT
DEFECTIVE STEPPER MOTOR OR CONTROL LOGIC
* Pass/Fail Status is Displayed
* Press RETURN - Return To Menu
Displays System Test Main Menu
SYSTEM TEST OPTION THREE - WRITE PROTECT SENSOR TEST
Page 1-2