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The Apple Disk ][ 5.25 floppy drive has a disk inside with 2 patterns. When spinning under a florescent light the pattern appears to not be spinning when the dr
by spongeb00b 6y ago
The Apple Disk ][ 5.25 floppy drive has a disk inside with 2 patterns. When spinning under a florescent light the pattern appears to not be spinning when the drive is at the right speed. The 2 different patterns are there for whether you have 50 or 60 Hz mains power.