Commodore 1541-II User Manual page 90

STEPS TO CHANGE THE DEVICE NUMBER USING THE SWITCH
1. Turn off the disk drive.
2. Refer to the following chart to set the DIP SW at the back of the disk drive for device
number setting.
Device # swl sw2
8
9
10
11
ON
OFF
ON
OFF
ON
ON
OFF
OFF
3. Turn on the disk drive.
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