Dell PowerEdge R815 - Manual (Page 4)

Trusted Platform Module (TPM) Details
Size 128 Bytes
Type: [e.g. Flash PROM, EEPROM]: EEPROM
Can user programs or operating system write data to it
during normal operation? No
Does it retain data when powered off? Yes
Purpose? [e.g. boot code] Store firmware for TPM functionality
How is data input to this memory? Loading flash memory requires a vendor provided
firmware file and loader program. System loaded with
arbitrary data in firmware memory would not operate.
How is this memory write protected? Software write protected
Remarks F2 BIOS setup option to enable/activate/clear
TPM Alternative Plug-in module Details
Size 256 Bytes
Type: [e.g. Flash PROM, EEPROM]: EEPROM
Can user programs or operating system write data to it
during normal operation? No
Does it retain data when powered off? Yes
Purpose? [e.g. boot code] Stores encryption keys for TPM functionality
How is data input to this memory? Data is pre-programmed by vendor. Keys are updated
using TPM enabled operating systems.
How is this memory write protected? Software write protected
Remarks F2 BIOS setup option to enable/activate/clear
Server CPLD Devices (x1 on IO planar and x1 on CPU
planar) Details
Size 2280 macro-cells and 1280 macro-cells
Type: [e.g. Flash PROM, EEPROM]: Internal Flash EEPROM
Can user programs or operating system write data to it
during normal operation? No
Does it retain data when powered off? Yes
Purpose? [e.g. boot code] System power sequence control, error/config
detection, and BIOS-BMC interaction.
How is data input to this memory? Programming CPLD(s) requires a vendor provided
logic file and loader program which is executed by
booting up the system from a floppy or OS based