MSO44B and MSO46B Volatile memory devices
These are the memory capacities at the time of publishing this document, but are subject to change.
Type and
size
Function Type of
user info
stored
Backed-
up by
battery
Method of
modification
Data input
method
Location User
acce-
ssible
To clear To sanitize
SDRAM 8
GB (All
models)
Host
processor
memory
User data No Indirectly Written by
processor
system
Processor
board
No Unplug the instrument for at least
30 seconds
SDRAM
MSO44B:
4 GB
MSO46B:
8 GB
Holds active
acquisition
data
User data No Indirectly Application
software
operations
Module
socket
(SODIMM)
on the
Acquisition
board
No Unplug the instrument for at least
30 seconds
SDRAM 2
GB
Holds video
graphics
data
User data No Indirectly Application
software
operations
Acquisition
board
No Unplug the instrument for at least
30 seconds
CMOS
RAM
Holds clock
and
configuration
data
None Yes Indirectly Boot
operations
Processor
board
No Cannot be cleared
SRAM 4
KB
Host
processor
power
sequencer
micro-
controller
RAM
None No Indirectly Application
software
operation
Internal to
the
MSP430
micro-
controller
on the
processor
board
No Unplug the instrument for at least
30 seconds
32 KB
SRAM
Front panel
micro-
controller
RAM
None No Indirectly Application
software
operation
Internal to
the TIVA
TM4C
micro-
controller
on the front
panel LED
board
No Unplug the instrument for at least
30 seconds
FPGA 6.5
MB
Interface
between
compute
system and
acquisition
system
None No None Written by
NOR Flash
Acquisition
board
No Unplug the instrument for a
minimum of 30 seconds
Clear and sanitize procedures
6