Dell POWEREDGE R720XD - Manual (Page 4)

Item Type (e.g. Flash PROM, EEPROM) Can user programs or operating
system write data to it during normal
operation?
Power Supplies
PSU FW Embedded microcontroller flash No
8x2.5" Backplane
SEP internal flash Integrated Flash+EEPROM No
2x2.5" Backplane
SEP internal flash Integrated Flash+EEPROM No
24x2.5" Backplane
Flash memory Flash No
Expander FRU image I2C EEPROM No
BP FRU image I2C EEPROM No
16x2.5" Backplane
Flash memory Flash No
Expander FRU image I2C EEPROM No
BP FRU image I2C EEPROM No
8x3.5" Backplane
SEP internal flash Integrated Flash+EEPROM No
12x3.5" Backplane
Flash memory Flash No
BP FRU image I2C EEPROM No
Expander FRU image I2C EEPROM No
PCIe SSD Backplane
SEP internal flash Integrated Flash+EEPROM No
H710, H810, H710M PERCs
NVSRAM NVSRAM No
FRU FRU No
1-Wire EEPROM 1-Wire EEPROM No
SPD SPD No
SBR SBR No
SPI Flash SPI Flash No
Flash Flash No