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)
Optional PERC H330
NVSRAM
NVSRAM
No
Configuration data
FRU
FRU EEPROM
No
Card manufacturing
information
1-wire EEPROM
1-wire EEPROM
No
Holds default
controller
properties/settings
SBR
SBR
No
Bootloader
Flash
Flash
No
Card Firmware
Item
How is data input to this memory?
How is this memory write protected?
Optional PERC H330
NVSRAM
ROC writes configuration data to
NVSRAM
Not WP. Not visible to Host Processor
FRU
Programmed at ICT during
production
Not WP
1-wire EEPROM
ROC writes data to this memory
Not WP. Not visible to Host Processor
SBR
Pre-programmed at ICT during
production
Not WP. Not visible to Host Processor
Flash
Pre-programmed before assembly.
Can be updated using Dell tools.
Not WP. Not visible to Host Processor
Item
Non-
Volatile or
Volatile
Quantity
Reference Designator
Size
Optional PERC H330
NVSRAM
Non-Volatile
1
U1033
128 KB
FRU
Non-Volatile
1
U1019
256 Bytes
1-wire EEPROM
Non-Volatile
1
U1004
128 Bytes
SBR
Non-Volatile
1
U1020
8 KB
Flash
Non-Volatile
1
U3
16 MB