Goldstar 3DO GDO-101M Replacement PSU - PicoPSU V1
https://www.willsconsolemodifications.co.uk/index.php?route=product/product&search=3do&product_id=108
Panasonic 3DO FZ-10 Replacement PSU - PicoPSU V1
https://www.willsconsolemodifications.co.uk/index.php?route=product/product&search=3do&product_id=103