Commodore 1571 - Page 11

1571/C128D SYSTEM TEST
VERSION 1.2.1
REQUIRED EQUIPMENT: C128 OR C128D COMPUTER
1571 SINGLE DISK DRIVE (C128 ONLY)
40 COLUMN MONITOR OR TV SET
FORMATTED (WRITE-PROTECTED) DISKETTE
BLANK TEST DISKETTE
VERSION 1.2 DIAGNOSTIC DISKETTE
DESIGNED TO TEST : 1571 SINGLE OR C128D INTERNAL DISK DRIVE
SYSTEM TEST OPTION MENU
* Press (0) - Select Device Number >> [8] or [9]
* Press (1) - Zero Stop Sensor Test
* Press (2) - Write Protect Sensor Test
* Press (3) - Read/Write Head Bump Test
* Press (4) - Read/Write Test
* Press (A) - All Above Tests
* Press SPACE - Load Diagnostic Menu
SYSTEM TEST OPTION ONE — SELECT DEVICE NUMBER
* This option allows the System Test to be run on a system set to
either Device Number [8] or [9].
* Selected Device Number is Displayed
SYSTEM TEST OPTION TWO — ZERO STOP SENSOR TEST
* Insert a Formatted Write-Protected Diskette
* Press SPACE - Start Testing
Begins Zero Stop Sensor Test
* Press RETURN - Return to Menu
Displays System Test Main Menu
The Zero Stop Sensor Test checks for proper adjustment of the Zero
Stop Sensor by looping, (5 Times), through the sensor to Zero Track
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 SENSOR OR DRIVE ALIGNMENT
DEFECTIVE ZERO STOP SENSOR OR CONTROL LOGIC
* Pass/Fail Status is Displayed
* Press RETURN - Return To Menu
Displays System Test Main Menu
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