Chapter 4. CPU Operation166 PACSystems* RX7i, RX3i and RSTi-EP CPU Reference Manual GFK-2222AD4.9.4 Legacy/Enhanced Security ComparisonFeature Legacy (less secure) Enhanced (more secure)Level 2, 3 and 4 protection Levels 2, 3 and 4 must be set or modifiedsimultaneously. (If you only want tochange one, you must enter all three.)Passwords can be set individually orin a group. When changingpasswords, the old password for thatlevel is required in order to change it.Maximum password length 7 characters 31 charactersClearing passwords Passwords can be cleared back to initialblank password values.Once a password is set, the EnhancedSecurity mode in PME will not allow itto be cleared back to a blankpassword. To revert to a blankpassword, the CPU memory must becleared and power cycled.Passwords ≤7 characters,set with either modePassword verification and passwordchanges allowed.Password verification and passwordchanges allowed.Passwords >7 characters,set with Enhanced SecuritymodePassword verification and passwordchanges not allowed.Password verification and passwordchanges allowed.Maximum OEM key length 7 characters. 31 characters.OEM keys ≤7 characters, setwith Enhanced SecurityCan change OEM Protection Lock stateCannot change the OEM key.Can change OEM Protection Lockstate and the OEM key.OEM keys >7 characters, setwith Enhanced SecurityCannot change OEM Protection Lockstate or the OEM key.Can change OEM Protection Lockstate and the OEM key.
