Dell PowerEdge R910 - Page 53

Dell
Dell PowerEdge R910 Technical Guide 53
Dell utility at ICT/Functional Tester during
board assembly.
How is this memory write protected?
Software write protected
FRU Memory for the I/O Risers (1GbE or 10Gb) and Memory Riser
Size:
256 Bytes
Type [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? [boot code]
FRU information for boards such as board name,
PPID, manufacturing date etc.
How is data input to this memory?
Data pre-programmed or using Dell utility at
ICT/Functional Tester during board assembly.
How is this memory write protected?
Not write protected
DIMM Modules SPD (Serial Presence Detect) EEPROM
(up to 64 depending on the number of DIMM modules present)
Size:
256 Bytes
Type [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? [boot code]
DIMM information and temperature settings
How is data input to this memory?
Data preprogrammed by the DIMM vendors
(lower 128 bytes). Also during boot sequence,
data is written to SPD EEPROM (upper 128
Bytes).
How is this memory write protected?
Not write protected
TPM (Trusted Platform Module) (if applicable)
Size:
128 Bytes
Type [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? [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
TPM Alternative Plug-in Module (if applicable)
Size:
256 Bytes
Type [Flash PROM, EEPROM]:
EEPROM