>The content of the eeprom specifies everything about the >module - size, bank format, timings etc. Yeah, that is what I understood too. >I think it's a JEDEC standard. >There is some info on the Micron website - have a look >at the datasheets of their SIMMs OK, that is a good pointer, thanks for that. >You would probably need to tweak the eeprom data if moving >chips between SIMMs Well I figured I should only need to tweak the module size, as they are identical units from the same manufacturer. >It's a standard I2C EEPROM - the addresses are set by the slot >number so the ssytem can see what is in each physical slot. and these particular ones are Microchip ones. I assume they are on the SMB bus that also talks to the ATX power supplies. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist