[Arm-netbook] identification EEPROM: writable or not?

Stefan Monnier monnier at iro.umontreal.ca
Tue Nov 5 20:43:51 GMT 2013


>> there is also the question of read-only eeproms. these exist and may
>> be used  for various reasons in both end-user- and engineering-type
>> boards. would  having a read-only eeprom make an otherwise
>> engineering board an end-user  product?
> Yes.  It would mean the buyer does not own their device.

IIUC this EEPROM only holds data which the kernel can elect to use, but
which it can also just ignore (and use some other data from a µSD card
instead).  So making it unwritable doesn't mean the owner is screwed.


        Stefan




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