Reference Guide

24x2.5"
Exp/Backp
lane
NVSRAM
memory
Non-
Volatile
1
U_NVSRA
M
1 MB
FLASH
No
FW configuration
data
Common Flash
memory Interface
(CFI)
Hardware strapping
Cannot be cleared by the user
Flash
memory
Non-
Volatile
1
U_FLASH
128 MB
FLASH
No
Firmware
Common Flash
memory Interface
(CFI)
Hardware strapping
Cannot be cleared by the user
Expander
FRU
image
Non-
Volatile
1
U_EXP_EE
PROM
512 Bytes
I2C
EEPROM
No
FRU
I2C interface via
expander
Hardware strapping
Cannot be cleared by the user
Backplane
FRU
image
Non-
Volatile
1
U_BP_EEP
ROM
256 Bytes
I2C
EEPROM
No
FRU
I2C interface via
iDRAC
Hardware strapping
Cannot be cleared by the user
8x2.5"
Backplane
SEP
internal
flash
Non-
Volatile
1
EU_SEP
Flash:32K
B+4KB
EEPROM:
1KB
SRAM:4K
B
Integrated
Flash+EE
PROM
No
Firmware + FRU
I2C interface via
iDRAC
Program write
protect bit
Cannot be cleared by the user
H730P,
H740P,
H840
PERCs
NVSRAM
memory
Non-
Volatile
1
U1087
128 KB
NVSRAM
No
Configuration
data
ROC writes
configuration data
to NVSRAM
No write protect. Not
visible to Host
Processor
Cannot be cleared with existing
tools available to the customer
FRU
Non-
Volatile
1
U1019
256 Bytes
FRU
No
Card
manufacturing
information
Programmed at
ICT during
production
No write protect
Cannot be cleared with existing
tools available to the customer