Dell POWEREDGE R720XD - Manual (Page 3)

Item Non-Volatile
or Volatile Quantity Reference Designator Size
ONFI Backup Flash Non-volatile 1 U4 4GB
SDRAM Volatile 5 U1043-U1047 512MB/1GB
H310, H310M
PERCs
NVSRAM Non-volatile 1 U500 128KB
FRU Non-volatile 1 U504 256B
1-Wire EEPROM Non-volatile 1 U15 128B
SBR Non-volatile 1 U503 8KB
Flash Non-volatile 1 U3 16MB
PCIe SSD Extension Card
Switch Configuration
EEPROM Non-Volatile 1 U2 256B
IDSDM
SPI Flash Non-Volatile 1 U9 8MB
MCU Non-Volatile 1 U7 256KB
Item Type (e.g. Flash PROM, EEPROM) Can user programs or operating
system write data to it during normal
operation?
Planer
PCH Internal CMOS RAM Battery-backed CMOS RAM No
BIOS SPI Flash SPI Flash No
iDRAC SPI Flash SPI Flash No
BMC EMMC eMMC NAND Flash No
CPU Vcore and VSA
Regulators OTP(one time programmable) No
System CPLD RAM RAM No
System Memory RAM Yes
Internal USB Key Flash Yes
Trusted Platform Module
(TPM) EEPROM Yes