CALIFORNIA WARNING: This product can expose you to chemicals, including lead and DEHP, which are known to the State of California to cause cancer and birth defects, or other reproductive harm. For more information, go to https://www.p65warnings.ca.gov.
20 pin 3.5 inch ribbon cable connects I/O Power Driver board to the CPU/Sound board.
Reference:
036-5000-350
036-5260-33 ribbon cable 14 pin 33 inch