Reference Guide

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)
Backplane
SEP internal flash
Integrated Flash+EEPROM
Yes
Backplane
controller
FC630 2x2.5" PCIe
SSD Backplane
SEP internal flash
Integrated Flash+EEPROM
Yes
Backplane
controller
IDSDM Card
IDSDM SPI flash
SPI Flash
Yes
Source code for
IDSDM controller
rSPI flash
SPI Flash
No
rSPI function
rSPI Card
rSPI flash
SPI Flash
No
rSPI function
Item
How is data input to this memory?
How is this memory write protected?
Planer
PCH Internal CMOS RAM
BIOS
NVRAM_CLR jumper
BIOS SPI Flash
SPI interface via PCH
Software write protected
iDRAC SPI Flash
SPI interface via iDRAC
Software write protected
BMC EMMC
NAND Flash interface via iDRAC
Embedded FW write protected
BMC Memory
Memory interface via iDRAC
Not applicable
CPU Vcore and Memory
regulator
OTP(one time programmable)
Not accessible
System CPLD
System OS RAM
System OS