Clear And Sanitize Procedures; Non-Volatile And Volatile Memory Device Table Terminology; Memory Devices - Tektronix 4 Series Declassification And Security Instructions

Clear and sanitize procedures

Non-volatile and volatile memory device table terminology

The tables in this section use the following terms:
• User data. Describes the type of information stored in the device. Refers to waveforms or other measurement information representing
signals connected to the instrument by users.
• User settings. Describes the type of information stored in the device. Refers to instrument settings that can be changed by the user.
Both. Describes the type of information stored in the device. It means that both user data and user settings are stored in the device.
•
• None. Describes the type of information stored in the device. It means that neither user data or user settings are stored in the device.
• Directly. Describes how data is modified. It means that the user can modify the data.
• Indirectly. Describes how data is modified. It means that the instrument system resources modifies the data and that the user cannot
modify the data.

Memory devices

The following tables list the volatile and non-volatile memory devices in the instrument.
Volatile memory devices
These are the memory capacities at the time of publishing this document, but are subject to change.
Type and Function Type of
size user info
stored
SDRAM 4 Host User data No
GB (All processor
models) memory
SDRAM Holds active User data No
MSO44: 4 acquisition
GB data
MSO46: 8
GB
SDRAM Holds video User data No
512 MB graphics
data
CMOS Holds clock None
RAM 7 and boots
bytes configuration
data
FPGA <30 Interface None
MB between
compute
system and
acquisition
system
4 Series Mixed Signal Oscilloscopes Declassification and Security Instructions MSO44, MSO46
Backed- Method of Data input
up by modification method
battery
Indirectly Written by
processor
system
Indirectly Application
software
operations
Indirectly Application
software
operations
Yes Indirectly boot
operations
No None Written by
processor
system
Clear and sanitize procedures
Location User To clear
acce-
ssible
Processor No Unplug the
board instrument for at
least 30
seconds
Module No Unplug the
socket instrument for at
(SODIMM) least 30
on the seconds
Acquisition
board
Acquisition No Unplug the
board instrument for at
least 30
seconds
Processor No Cannot be
board cleared
Acquisition No Unplug the
board instrument for a
minimum of 30
seconds
To sanitize
Unplug the
instrument for at
least 30
seconds
Unplug the
instrument for at
least 30
seconds
Unplug the
instrument for at
least 30
seconds
Unplug the
instrument for a
minimum of 30
seconds
Unplug the
instrument for a
minimum of 30
seconds
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