Reference Guide

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)
SPI Flash
SPI Flash
No
Holds cache data during power
loss
SDRAM
SDRAM
No
Cache for HDD I/O
MCU (Cordova)
EEPROM
No
PCIe Bifurcation information to
system iDRAC
BMU
Integrated
Flash+EEPROM
No
Battery Management control
H840 Adapter PERC (External controller)
NVSRAM
NVSRAM
No
Configuration data
FRU
EEPROM
No
Card manufacturing
information
SPD
EEPROM
No
Memory configuration data
NV Flash
SPI Flash
No
Card firmware
CPLD
Flash
No
Power sequencing and Cache
Offload
SPI Flash
SPI Flash
No
Holds cache data during power
loss
SDRAM
SDRAM
No
Cache for HDD I/O
HBA355i fPERC (Internal controller)
FRU
EEPROM
No
Card manufacturing
information
SPI Flash
SPI Flash
No
Card firmware
CPLD
Flash
No
Power sequencing and Cache
Offload
MCU (Cordova)
EEPROM
No
PCIe Bifurcation information to
system iDRAC
HBA355E Adapter PERC (External controller)
FRU
EEPROM
No
Card manufacturing
information
SPI Flash
SPI Flash
No
Card firmware
CPLD
Flash
No
Power sequencing and Cache
Offload
Left Status CP
Microcontroller
Flash
No
Driving Health and Status LED
Left Titan2
Microcontroller
SPI Flash
No
For field maintenance. Have
License, Service Tag and system
information. Driving health and
status LEDs
TPM
Trusted Platform Module
(TPM)
EEPROM
Yes
Storage of encryption keys
Right FIO 1U Package 1