"The label reads "Security System ver. 1.02". It's probably used to activate some sort of security system."

MO Disk is a key item in Resident Evil 0.


The MO Disk is acquired by inserting the Microfilm A and Microfilm B into the projector in the operations control room.


This disc is used for security purposes, and when inserted into the podium computer in the assembly hall will de-activate electronic locks for the Garden (lower), the Director's office hallway, and the Observatory.



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