Dell PowerEdge R530 Dell PowerEdge R530 Owners Manual - Page 3

How is data input to this memory?, How is this memory write protected? - ram

Page 3 highlights

Item Planer PCH Internal CMOS RAM BIOS SPI Flash iDRAC SPI Flash BMC EMMC How is data input to this memory? How is this memory write protected? BIOS SPI interface via iDRAC SPI interface via iDRAC NAND Flash interface via iDRAC N/A - BIOS only control Software write protected Embedded iDRAC subsystem firmware actively controls sub area based write protection as needed. Embedded FW write protected CPU Vcore and VSA Regulators System CPLD RAM System Memory System Memory Power Supplies PSU FW 2U 8x3.5" Backplane SEP internal flash Once values are loaded into register space a cmd writes to nvm. Not utilized There are passwords for different sections of the register space Not accessible System OS RAM System OS System OS OS Control 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. Firmware + FRU I2C interface via iDRAC NOTE: For any information that you may need, direct your questions to your Dell Marketing contact. 2014 Dell Inc. Trademarks used in this text: Dell™, the DELL logo, and PowerEdge™ are trademarks of Dell Inc. Dell - Internal Use - Confidential

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Item
How is data input to this memory?
How is this memory write protected?
Planer
PCH Internal CMOS RAM
BIOS
N/A – BIOS only control
BIOS SPI Flash
SPI interface via iDRAC
Software write protected
iDRAC SPI Flash
SPI interface via iDRAC
Embedded iDRAC subsystem firmware
actively controls sub area based write
protection as needed.
BMC EMMC
NAND Flash interface via iDRAC
Embedded FW write protected
CPU Vcore and VSA
Regulators
Once values 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 RAM
System OS
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.
2U 8x3.5” Backplane
SEP internal flash
Firmware + FRU
I2C interface via iDRAC
NOTE:
For any information that you may need, direct your questions to your Dell Marketing contact.
______________
© 2014 Dell Inc.
Trademarks used in this text: Dell™, the DELL logo, and PowerEdge™ are trademarks of Dell Inc.
Dell - Internal Use - Confidential