Jean Delvare said the following: > Hi Michael, > > On Fri, 05 Mar 2010 12:17:14 +0100, Michael Lawnick wrote: >> Jean Delvare said the following: >> > Well, what EEPROM type do you have exactly? 24c64 is for 64 kbit (8 >> > kByte) EEPROMs using 16-bit addressing. You must use the correct type, >> > otherwise the at24 driver will misbehave. I am a little surprised >> > because originally you went for "eeprom" which is not compatible with >> > "24c64" (8-bit vs. 16-bit addressing). >> >> Furthermore this brings up another issue: >> 0x50 typically is SPD-eeprom (DDR initialisation). Corrupting the >> contents might make your board unbootable - and using a 16bit driver >> instead of an 8-bit one can corrupt your contents already on >> (positioned) reading! > > This is totally correct, but better said loud to the list and the > original poster than only privately to me ;) > sh.., :-(
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