[ltp] lm sensors
Dean L. Hedin
linux-thinkpad@www.bm-soft.com
Sun, 25 Aug 2002 03:36:49 -0400
I can only speak about the 600e as I have a broken mainboard here in front of
me as I write this. I've looked it over and do not see a 24RF08 on the
board. Other than the two flash devices that contain the BIOS, I see
no other non-volatile memory devices on the board.
In any case, the lm-sensors warning posted at http://www.linux-thinkpad.org/
indicates I2C being involved. This is consistant with the 24C01A. And I
know from other sources that this is where IBM security checksum information
is stored. The 24C01A that I speak of is not near any RAM device, it is near
the BIOS flash chips.
On Sunday 25 August 2002 01:51 pm, Mark D. Studebaker wrote:
> 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?
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