It seems that the menu locks out controls when the Mission Stick is inserted into slot 1.
Model 2 US Saturn - BIOS NTSC-4-V1.00a
Satiator Menu - 66
Satiator Firmware 157
Steps to reproduce:
Boot console with Satiator inserted and Mission Stick in slot 1 and load the menu.
The buttons and joystick are unresponsive when the Mission Stick is plugged in and stays unresponsive until it is unplugged and a regular controller is plugged in.
It seems that the menu locks out controls when the Mission Stick is inserted into slot 1.
Model 2 US Saturn - BIOS NTSC-4-V1.00a Satiator Menu - 66 Satiator Firmware 157
Steps to reproduce: