Dell PowerEdge R220 - Manual (Page 2)

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)
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
System CPLD RAM RAM No Not utilized
TPM EEPROM No
Data Protection
Item How is data input to this memory? How is this memory write protected?
Planer
PCH Internal CMOS RAM BIOS default settings, which can be
altered by F2 Setup Menu during
POST
Not accessible
BIOS SPI Flash Loading flash memory requires a
vendor-provided firmware file and
loader program which is executed by
booting up the system from a USB
key (or floppy). In addition, an OS-
based update package executable
containing the firmware file can be
run. A system loaded with arbitrary
data in BIOS FLASH memory will not
operate. Software write protected
iDRAC SPI Flash Loading flash memory requires a
vendor provided firmware file and
loader program. System loaded with
arbitrary data in flash memory would
not operate. Software write protected
BMC EMMC Loading flash memory requires a
vendor provided firmware file and
loader program which is executed by
booting up the system from a floppy
or OS-based executable containing Software write protected