The first mod suggest by Mark Knibbs seems to be the one most commonly used and is shown in the link below - I will call this Method 1:. I understand that the lockout chip simply holds the CPU and PPU chips in a state of 'reset' until its given the 'key' by the security chip in the cartridge, then it releases the chips from the 'reset' state. Having read this document by Mark Knibbs:. My next query is regarding the best method for disabling the SNES lockout chip - I have read so many methods for doing this that I am totally bewildered!
I have read that the F411B/F413B lockout chip used in later SNES consoles cannot be disabled like the earlier lockout chips - but is this confirmed? Has anybody actually tested the common lockout disable method (Method 1 below) doesnt work on the F411B/F413B chips? Or is it just a rumour?
As far as I know, there were three revisions of the lockout chip used in each region, which have the foillowing codes:. Recently I have been intrigued by the lockout chips used in the SNES and have a few questions I would love answered.
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