Re: I2C EEPROM write access

From: Ondrej Zary
Date: Wed May 25 2005 - 10:10:43 EST


Karel Kulhavy wrote:
Hello

Is it possible to use some Linux I2C driver to program an I2C EEPROM,
for example 24C16?

I have noticed only read-only access to "DIMM eeproms". Are they
24C16-alike?

SPD EEPROMs on DIMMs are 24C02.

Is there some reason why write driver is not present like users could
inadvertently overwrite their DIMM eeproms? Do these eeproms have a
protection against write?

The SPD EEPROMs should not be write protected - that's what specification says - so probably are not.

I am mainly interested in an application where 24C16 is in-circuit
connected to a PC and contents read and wrote (typically poking
at firmware configuration of various devices).

CL<

--
Ondrej Zary
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