Product Declassification and Security Product Name: Truevolt Series of Digital Multimeters
Model Numbers: 34460A, 34461A, 34465A, 34470A
Page 6 of 17
Instrument Memory and Volatility Information
This section contains information on the types of memory available in your instrument,
including the memory size, usage, location, volatility, and sanitization procedure.
This instrument uses one NAND Flash memory chip to retain the needed system
information and the user memory partition. The User memory partition is separate and
independent so that the sanitization procedures may be applied to only this partition on
a sector by sector basis.
Performing an instrument sanitization requires the instrument Security option (SEC) to
be installed. Please refer to the Truevolt Series Operating and Service Guide for more
information on available options.
Summary of instrument memory - base instrument
User accessible as a
mass storage device?
Writable During
Normal Operation?
Data Retained When
Powered Off?
Location in
Instrument and
Remarks
System Flash
(NAND Flash)
45 MB
Contains operating
system, instrument
firmware, and the
firmware recovery
image
Factory
Install /
Firmware
Upgrade
Front panel
U203
1819-0707
(same chip as other
parts, but managed
separately)
N/A, contains
no application-
specific
information.
User Flash
(NAND Flash)
80 MB
User data,
configuration and
preference files,
screen capture files,
instrument state
files, and user
reading storage
Front panel
U203
1819-0707
(same chip as other
parts, but managed
separately)
NAND Flash
Sanitize –
See Table 1
Calibration
Store
(NAND Flash)
3 MB
Calibration
constants,
calibration count,
secure count,
security code, and
calibration message
Factory or
Service and
user
calibration
Front panel
U203
1819-0707
(same chip as other
parts, but managed
separately)
N/A, contains
no application-
specific
information.
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