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A comment on How the Nintendo Switch prevents downgrades by irreparably blowing its own fuses. Parent comment

Re:How the Nintendo Switch prevents downgrades by irreparabl... by marcan_42 on Tuesday June 16, 2020 @08:17AM (#23538217)
Fuses are in 32 bit words. There are 8 such words available for ODM usage, giving a total of 256 fuse bits. However, of those only one word is used for the anti-downgrade stuff. So that's just 32 firmware levels.
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