Dell PowerEdge T620 User Manual
Page 3
Item
Type (e.g. Flash PROM,
EEPROM)
Can user programs
or operating system
write data to it
during normal
operation?
Purpose? (e.g. boot
code)
CPU Vcore and VSA
Regulators
OTP(one time
programmable)
No Operational parameters
System CPLD RAM
RAM
No
Not utilized
System Memory
RAM
Yes
System OS RAM
Power Supplies
PSU FW
Embedded microcontroller
flash
No Power
Supply
operation,
power management data
and fault behaviors
16x2.5" Backplane
Flash memory
Flash
No
Firmware
Expander FRU image
I2C EEPROM
No
FRU
BP FRU image
I2C EEPROM
No
FRU
8x3.5" Backplane
SEP internal flash
Integrated
Flash+EEPROM
No
Firmware + FRU
12x3.5" Backplane
Flash memory
Flash
No
Firmware
BP FRU image
I2C EEPROM
No
FRU
Expander FRU image
I2C EEPROM
No
FRU
PCIe SSD Backplane
SEP internal flash
Integrated
Flash+EEPROM
No
Firmware + FRU
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