Reference Guide

Internal Use - Confidential
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?
Backplane FRU
Non-Volatile
1
U_BP_EEPR
OM
256 Bytes
I2C
EEPROM
No
FRU
I2C interface
via iDRAC
Hardware
strapping
Not user clearable
8x2.5" Backplane
SEP internal
flash
Non-Volatile
1
U_SEP
Flash:32KB+
4KB
EEPROM:
2KB
Integrated
Flash+EEP
ROM
No
Firmware + FRU
I2C interface
via iDRAC
Program write
protect bit
Not user clearable
8x3.5" Backplane
SEP internal
flash
Non-Volatile
1
U_SEP
Flash:64KB+
4KB
EEPROM:
2KB
Integrated
Flash+EEP
ROM
No
Firmware + FRU
I2C interface
via iDRAC
Program write
protect bit
Not user clearable
12x3.5" EXP/Backplane
NVSRAM
memory
Non-Volatile
1
U_NVSRAM
1 Mb
Flash
No
FW config data
Common Flash
memory
Interface (CFI)
Hardware
strapping
Not user clearable