Dell POWEREDGE R720XD User Manual
Page 6
Item
Purpose? (e.g. boot code)
How is data input to this memory?
System Memory
System OS RAM
System OS
Internal USB Key
General purpose USB key drive
USB interface via PCH. Accessed via
system OS
Trusted Platform Module
(TPM)
Storage of encryption keys
Using TPM Enabled operating systems
Power Supplies
PSU FW
Power Supply operation, power
management data and fault behaviors
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)
8x2.5" Backplane
SEP internal flash
Firmware + FRU
I2C interface via iDRAC
2x2.5" Backplane
SEP internal flash
Firmware + FRU
I2C interface via iDRAC
24x2.5" Backplane
Flash memory
Firmware
Common Flash memory Interface (CFI)
Expander FRU image
FRU
I2C interface via iDRAC
BP FRU image
FRU
I2C interface via iDRAC
16x2.5" Backplane
Flash memory
Firmware
Common Flash memory Interface (CFI)
Expander FRU image
FRU
I2C interface via iDRAC
BP FRU image
FRU
I2C interface via iDRAC
8x3.5" Backplane
SEP internal flash
Firmware + FRU
I2C interface via iDRAC
12x3.5" Backplane
Flash memory
Firmware
Common Flash memory Interface (CFI)
BP FRU image
FRU
I2C interface via iDRAC
Expander FRU image
FRU
I2C interface via iDRAC
PCIe SSD Backplane
SEP internal flash
Firmware + FRU
I2C interface via iDRAC
H710, H810, H710M PERCs
NVSRAM
Configuration data
ROC writes configuration data to
NVSRAM