Reference Guide

Item
Non-
Volatile or
Volatile
Quantity
Reference
Designator
Size of
memory
Type of
memory
(e.g. Flash
PROM,
EEPROM)
Can user programs
or operating
system write data
to it during normal
operation?
What is the
Purpose?
(e.g. boot
code)
How is data
written to
this
memory?
How is
memory write-
protected?
How is memory
cleared?
4x3.5" 1U Backplane
SEP internal
flash
Non-
Volatile
1
U_SEP1
Flash: 32
KB+4 KB
EEPROM:
2 KB
Integrated
Flash+EEP
ROM
No
Firmware +
FRU
I2C interface
via iDRAC
Program write-
protected.
User cannot clear the
memory.
H730 PERC
NVSRAM
Non-
Volatile
1
U1032
128 KB
NVSRAM
No
Configuration
data
ROC writes
configuration
data to
NVSRAM
Not write-
protected. Not
visible to Host
Processor
User cannot clear the
memory.
FRU
Non-
Volatile
1
U1019
256 B
FRU
No
Card
manufacturing
information
Programmed
at ICT during
production.
Not write-
protected.
User cannot clear the
memory.
SPD
Non-
Volatile
1
U22
256 B
SPD
No
Memory
configuration
data
Pre-
programmed
before
assembly
Not write-
protected. Not
visible to Host
Processor
User cannot clear the
memory.