Dell PowerEdge T620 - Manual (Page 4)

Item How is data input to this memory? How is this memory write protected?
protection as needed.
BMC EMMC NAND Flash interface via iDRAC Embedded FW write protected
CPU Vcore and VSA
Regulators Once value are loaded into register
space a cmd writes to nvm. There are passwords for different
sections of the register space
System CPLD RAM Not utilized Not accessible
System Memory System OS OS Control
Power Supplies
PSU FW Different vendors have different
utilities and tools to load the data to
memory. It can also be loaded by Dell
Update Package from LC or OS
(Windows and Linux) Protected by the embedded
microcontroller. Special keys are used by
special vendor provided utilities to unlock
the ROM with various CRC checks during
load.
16x2.5" Backplane
Flash memory Common Flash memory Interface
(CFI) Hardware strapping
Expander FRU image I2C interface via iDRAC Hardware strapping
BP FRU image I2C interface via iDRAC Hardware strapping
8x3.5" Backplane
SEP internal flash I2C interface via iDRAC Program write protect bit
12x3.5" Backplane
Flash memory Common Flash memory Interface
(CFI) Hardware strapping
BP FRU image I2C interface via iDRAC Hardware strapping
Expander FRU image I2C interface via iDRAC Hardware strapping
PCIe SSD Backplane
SEP internal flash I2C interface via iDRAC Program write protect bit
NOTE: For any information that you may need, direct your questions to your Dell Marketing contact.
______________
© 2013 Dell Inc.
Trademarks used in this text: Dell™, the DELL logo, and PowerEdge™ are trademarks of Dell Inc.