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)
System CPLD FLASH
RAM
No
Power on System
firmware
System Memory: RDIMM
and LRDIMM
DRAM
Yes
System OS RAM
System Memory:
NVDIMMM-N
Flash –NVDIMM
No
Data integrity
Internal USB Key
Flash
Yes
General purpose USB
key drive
CPU
Cache + registers
Yes
Processor cache +
registers
iDRAC DDR
DRAM
No
iDRAC local memory
iDRAC
Cache + registers
No
Processor cache +
registers
PIROM
EEPROM
No
Processor info +
scratchpad
Recovery BIOS SPI
SPI Flash
No
Recovery image