Reference Guide

Item
Non-
Volatile or
Volatile
Quantity
Reference
Designator
Size
Type (e.g.
Flash PROM,
EEPROM)
Can user programs
or operating
system write data
to it during normal
operation?
Purpose?
(e.g. boot
code)
How is
data input
to this
memory?
How is this
memory
write
protected?
How is the memory
cleared?
FPGA
Volatile
1
U_FPGA1
Flash:256
KB+256K
B
SRAM:
136KB
Integrated
Flash+SRAM
No
Firmware
JTAG
interface
via CM
No write
protect
User cannot clear.
FPGA SPI
Flash
Non-
Volatile
1
U18
2 MB
Flash
No
FPGA
configuration
image
SPI
interface
via CM
No write
protect
User cannot clear.
CM FRU
Non-
Volatile
1
U_EEPRO
M1
32 KB
Flash
No
FRU
I2C
interface
via iDRAC
No write
protect
User cannot clear.
H740, H740P,
H830 PERC
NVSRAM
Non-
Volatile
1
U1087
128 KB
NVSRAM
No
Configuration
data
ROC writes
configuratio
n data to
NVSRAM
No write
protect. Not
visible to Host
Processor
User cannot clear.
FRU
Non-
Volatile
1
U1019
256 B
FRU
No
Card
manufacturing
information
Programme
d at ICT
during
production.
no write
protect
User cannot clear.
Flash
Non-
Volatile
1
U1086
16 MB
Flash
No
Card
firmware
Pre-
programme
d before
assembly
No write
protect. Not
visible to Host
Processor
User cannot clear.