Molex Harddisk Power connector
HDD LED in header
HDD LED out header
'External out' header to optionally connect additional speaker or higher current 5V visual indicator
Power LED out header
Programming header (do not use, reserved for factory/future updates of the attiny processor)
Low volume 'modern IDE HDD mode' : a small sticker on the speaker directly : this dampens the sound, sounds like modern harddisk --> this option is now by default selected in the webshop.
Medium volume 'LGR mode' : put some tape on the buzzer hole : this dampens the sound slightly, and changes the tone a bit (like in LGR video). make changes to calibrate the sound yourself.
High volume 'Quantum mode' : very loud old cranky HDD sound, this option is selectable in the webshop.
put some tape on the enclosure to change the tone --> more bassy sound
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