Dell PowerEdge R815 Technical Manual

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Dell PowerEdge R815 Technical Manual Manual pdf 57 page image

DellPowerEdge R815 Technical Guide 57Size: 128 BytesType: [Flash PROM, EEPROM]: EEPROMCan user programs or operating system writedata to it during normal operation?NoDoes it retain data when powered off? YesPurpose? [boot code] Stores encryption keys for TPM functionalityHow is data input to this memory? Data is pre-programmed by vendor. Keys areupdated using TPM enabled operating systems.How is this memory write protected? Software write protectedRemarks F2 BIOS setup option to enable/activate/clearTPM Alternative Plug-in module DetailsSize: 256 BytesType: [Flash PROM, EEPROM]: EEPROMCan user programs or operating system writedata to it during normal operation?NoDoes it retain data when powered off? YesPurpose? [boot code] Stores encryption keys for TPM functionalityHow is data input to this memory? Data is pre-programmed by vendor. Keys areupdated using TPM enabled operating systems.How is this memory write protected? Software write protectedRemarks F2 BIOS setup option to enable/activate/clearServer CPLD Devices (2 total) DetailsSize: 2280 macro-cells and 1200 macro-cellsType: [Flash PROM, EEPROM]: Internal Flash EEPROMCan user programs or operating system writedata to it during normal operation?NoDoes it retain data when powered off? YesPurpose? [boot code] System power sequence control, error/configdetection, and BIOS-BMC interaction.How is data input to this memory? Programming CPLD(s) requires a vendorprovided logic file and loader program which isexecuted by booting up the system from afloppy or OS based executable containing thelogic file and the loader. System loaded witharbitrary data in CPLD(s) would not operate.How is this memory write protected? Software write protectedRemarks Need AC cycle after updating CPLD2 CPLD with 2280 on I/O board (CPLD1 – master)& 1200 on CPU board (CPLD2 – slave)Broadcom 5709C LAN On Motherboard (2controllers on I/O board)Details