Reply to post: Re: Linux?

Chip company FTDI accused of bricking counterfeits again

Anonymous Coward
Anonymous Coward

Re: Linux?

>FTDI chips keep there USB product ID in a mask ROM.

No it's not. You can change it even on real devices.

The way they are detecting fakes is by doing a write to EEPROM with a width that the real devices ignore. If the data on the EEPROM changes they know it's not a real part because the real part would have ignored it.

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