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
What is the
Purpose?
(e.g. boot
code)
How is data
written to
this
memory?
How is memory
write- protected?
How is
memory
cleared?
H755 MX
NVSRAM
Non
-volatile
1
U1087
1Mb
NVSRAM
No
Configuration
data
ROC writes
configuration
data to NVSRAM
N
o write protect
Not visible to Host
Processor
Not
user clearable
FRU
Non
-volatile
1
U1019
2
Kb
FRU
No
Card
manufacturing
information
Programmed at
ICT during
production
N
o write protect
Not
user clearable
SPD
Non
-volatile
1
U22
2
Kb
SPD
No
Memor
y
configuration
data
Pre-
programmed
before assembly
N
o write protect
Not
visible to Host
Processor
Not
user clearable
Flash
Non
-volatile
1
U1086
1
28Mb
Flash
No
Card
firmware
Pre- programmed
before assembly.
Can be updated
using
Dell/Broadcom
tools
N
o write protect
Not visible to Host
Processor
Not
user clearable