Hello, I was going over "A Gentle Introduction with OpenIPMI", unfortunately the section I was really after was the Direct i2c access :)
I was wondering if anyone had any experience in this area? Looking at the i2c 7-bit addressing scheme, it seems that the 3-bit select addresses allow up to 8 slave devices of the following types and base i2c addresses: o Temperature sensor (0x18) o EEPROM memory (0x50) o LRDIMM Buffer (0x58) Using "ipmitool sensor" and Supermicro's "ipmicfg -nm cpumemtemp", I'm able to dump the temperature of the DIMMs, meaning 0x18 must be connected on both DIMMs. I've been trying to get the same working via the openipmicmd's ipmb interface. I've hacked up my own ipmi_devintf with some printk's to see the transactions, but I'm not sure that is helping me so much. Being able to at least dump out the EEPROM would be great, but I'm really looking to get to the LRDIMM buffer for some system diagnostic and debug support. any pointers gratefully received. A. -- Alun Evans
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