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?
H330 PERC
NVSRAM
Non-
Volatile
1
U1033
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.
1-Wire
EEPROM
Non-
Volatile
1
U1004
128 B
1-Wire
EEPROM
No
Holds default
controller
properties/setti
ngs
ROC writes
data to this
memory
Not write-
protected. Not
visible to Host
Processor
User cannot clear the
memory.
SBR
Non-
Volatile
1
U1020
8 KB
Serial Boot
ROM
No
Bootloader
Pre-
programmed
before
assembly
Not write-
protected. Not
visible to Host
Processor
User cannot clear the
memory.
Flash
Non-
Volatile
1
U3
16 MB
Flash
No
Card firmware
Pre-
programmed
before
assembly.
Can be
updated
using Dell/LSI
tools
Not write-
protected. Not
visible to Host
Processor
User cannot clear the
memory.