[ltp] lm sensors

[Mark D. Studebaker]

our theory is that only systems with 24RF08's get hosed.
The 24C01A's are quite common on SDRAM DIMM's and inside DDC monitors;
we've never had a report of a 24C01A getting corrupted.
Joe in Australia also reports that the 24RF08's are quite touchy.
Earlier thinkpads apparently have the 24RF08; later ones have the
24C01A.
Does anybody know of a case where a 24C01A in a thinkpad got corrupted
by lm_sensors?


"Dean L. Hedin" wrote:
> 
> On Saturday 24 August 2002 08:53 pm, phil@netroedge.com wrote:
> > We've given up on IBM, but we've had some help from other sources.
> > We just received samples of what could be the chip which is suspect
> > (Atmel AT24RF08).  We will try to play with it to see if we can
> > explain why our code causes it to puke.  Even from looking at the
> > datasheet it isn't clear why.
> 
> I don't believe that is the chip that sensors kills in the 600e.  I believe
> it is  "U98" ATMEL 24C01A   2-wire Serial EEPROM (bottom of mainboard
> next to the CS4610C sound chip).   Rumor has it that this is where the
> Thinkpad security stuff is stored.  Violate it, and it voids the board.
> 
> Perhap it is on the I2C bus.
> 
> http://www.atmel.com/atmel/acrobat/doc0180.pdf
> 
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