The IIc System Clock uses three AA batteries and has a pass through serial port - it can plug into either the modem or printer serial port, then the modem or printer plugs into the clock.
Thanks to the following people who contributed PDFs, software, photos and other content to this site:
Bill Martens
Brian Wiser
Bill Bredehoft
Christopher G. Mason
Jamie Steffens
John Woodall
Marc Ressl
The IIc System Clock uses three AA batteries and has a pass through serial port - it can plug into either the modem or printer serial port, then the modem or printer plugs into the clock.
Website created by Brian Wiser and Bill Martens