Dell POWEREDGE R620 - 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)
Planer
PCH Internal CMOS RAM Battery-backed CMOS
RAM No Real-time clock and BIOS
configuration settings
BIOS SPI Flash SPI Flash No Boot code, system
configuration information,
UEFI environment, Flash
Disceptor, ME
iDRAC SPI Flash SPI Flash No iDRAC Uboot
(bootloader), server
managent 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 and VSA
Regulators OTP(one time
programmable) No Operational parameters
System CPLD RAM RAM No Not utilized
System Memory RAM Yes System OS RAM
Internal USB Key Flash Yes General purpose USB key
drive
Trusted Platform Module (TPM) EEPROM Yes Storage of encryption keys
Power Supplies
PSU FW Embedded
microcontroller flash No Power Supply operation,
power management data
and fault behaviors
4x2.5" Backplane
SEP internal flash Integrated
Flash+EEPROM No Firmware + FRU
8x2.5" Backplane
SEP internal flash Integrated
Flash+EEPROM No Firmware + FRU
10x2.5" Backplane