Reference Guide

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)
FRU
FRU
FRU
FRU
1-Wire EEPROM
1-Wire EEPROM
1-Wire EEPROM
1-Wire EEPROM
SPD
SPD
SPD
SPD
SBR
SBR
SBR
SBR
Flash
Flash
Flash
Flash
ONFI Backup Flash
ONFI Backup Flash
ONFI Backup Flash
ONFI Backup Flash
SDRAM
SDRAM
SDRAM
SDRAM
H330, PERC
NVSRAM
NVSRAM
NVSRAM
NVSRAM
FRU
FRU
FRU
FRU
1-Wire EEPROM
1-Wire EEPROM
1-Wire EEPROM
1-Wire EEPROM
SBR
SBR
SBR
SBR
Flash
Flash
Flash
Flash
IDSDM
SPI Flash
SPI Flash
No
Exclusively used by
the controller
MCU
Embedded Flash
Yes
Firmware
TPM
Trusted Platform Module
(TPM)
EEPROM
Yes
Storage of
encryption keys
Item
How is data input to this
memory?
How is this memory
write protected?
How is the memory cleared?
Planar