On Jim Leonard wrote:
It's a video of a floppy disk drive playing music
by screwing with the
stepper motor. ... Or is a hardware hack required to generate the
right frequencies?
It's not a floppy, but there's an Easter Egg in the HP Scanjet 5P firmware
that allows it to play Beethoven with the stepper motor that moves the head
carriage. It wins my vote for the coolest musical Easter Egg in a consumer
product.
Bob