Dell PowerEdge R730 - Manual (Page 4)

Dell - Internal Use - Confidential
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)
Planar
PCH Internal CMOS
RAM Battery-backed CMOS
RAM No Real-time clock and BIOS
configuration settings
BIOS Password Battery-backed CMOS
RAM Yes Password to change BIOS
settings
BIOS SPI Flash SPI Flash No Boot code, system
configuration information,
UEFI environment, Flash
descriptor, ME
iDRAC SPI Flash SPI Flash No iDRAC Uboot (bootloader),
server management
persistent store (i.e. IDRAC
MAC Address, iDRAC boot
variables), lifecycle log cache,
virtual planar FRU and EPPID,
rac log, system event log,
JobStore, iDRAC Secure boot
code,
BMC EMMC eMMC NAND Flash No Operational iDRAC FW,
Lifecycle Controller (LC) USC
partition, LC service diags, LC
OS drivers, USC firmware
CPU Vcore Regulators ROM No Operational parameters
Vmem Regulators ROM No Operational parameters
System CPLD RAM RAM No Not utilized
System Memory DRAM Yes System OS RAM
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