Dell PowerEdge M710HD Technical Guide - Page 46

Dell HDD Backplane Firmware (SEP) Memory Size Type Purpose Can user programs or operating system write data to it during normal operation? How is data input to this memory? How is this memory write protected? iDRAC6 Enterprise SPI Flash Size Type Purpose Can user programs or operating system write data to it during normal operation? How is data input to this memory? How is this memory write protected? TPM (for boards shipped outside of China) Size Type Purpose Can user programs or operating system write data to it during normal operation? How is data input to this memory? How is this memory write protected? Details 32KB Flash Interface between the RAID controller and the hard drives as well as a controller for the HDD status LED No; a special (not available to customers) DOS utility is needed to flash the application code, and the boot block is cable flashed only Cable flash to flash entire chip or a special utility (not available to customers) to flash in DOS Software write protected; no hardware protection pin Details 2MB SPI Flash There is boot code that is used by the iDRAC6 Enterprise management controller. Also contains the Life Cycle Log which contains server management data unique to the run-time events of the server itself. No Flashed in the factory or using Dell flash utility. Also written to by the iDRAC6 Enterprise controller to make Life Cycle Log (LCL) entries. Software write protected Details Unspecified size of user ROM, RAM, EEPROM; 128 bytes of OTP memory included ROM, RAM, EEPROM Trusted Platform Module NV storage. May be used to securely store user data. Yes, OSes and applications that conform to the TCG standard can write data to the TPM during normal operation. Access to the NV Storage is controlled by the TPM owner. TCG TPM Specification defined command interface. As defined by the TCG TPM Specification, protection of this NV memory area is configurable by the TPM owner. PowerEdge M710HD Technical Guide 46