Jackpot. It looks to me like a standard 8K I2C eeprom, but with an RF side as well. Not clear why they'd misbehave. I'll order some samples and we can play with them. phil at netroedge.com wrote: > > I found this interesting. A guy took apart his Thinkpad 600X (one of > the lm-sensors vulnerable ones) and pulled out the Atmel Flash EEPROM > to reflash it: > > http://www.ja.olm.net/unlock/key_for_600x.htm > > You can get the datasheet for the AT24RF08C RFID flash eeprom here: > > http://www.ja.olm.net/unlock/key_for_600e.htm > > Strange serial eeprom device. It lives in 0x54-0x57. It's not clear > to me how the chip responds to 'quick' SMBus accesses we use during > probing, or how it would like being driven by our eeprom module. > > Anyways, note that people who have had their Thinkpad 240's killed by > Lm_sensors get the error: 0188: Invalid RFID Serialization Area > > Could we simply blacklist the 0x54-0x57 area unless the user > explicitly 'forces' regular usage of that area? > > Phil > > -- > Philip Edelbrock -- IS Manager -- Edge Design, Corvallis, OR > phil at netroedge.com -- http://www.netroedge.com/~phil > PGP F16: 01 D2 FD 01 B5 46 F4 F0 3A 8B 9D 7E 14 7F FB 7A
