Keysight Technologies Truevolt Series - Page 7

Product Declassification and Security Product Name: Truevolt Series of Digital Multimeters
Model Numbers: 34460A, 34461A, 34465A, 34470A
Page 7 of 17
Memory Type
and Size
User accessible as a
mass storage device?
Writable During
Normal Operation?
Data Retained When
Powered Off?
Purpose/Contents
Data Input
Method
Location in
Instrument and
Remarks
Sanitization
Procedure
Front panel
microprocessor
(Flash)
8 kB
No
No
Yes
Front panel
microprocessor
execution code
storage
Factory
Install /
Firmware
Upgrade
Front panel
microprocessor
U401
1822-3182
(same chip as other
parts, but managed
separately)
N/A, contains
no application-
specific
information.
Front panel
microprocessor
(EEPROM)
512 Bytes
No
Yes
Yes
Stores instrument
ON/OFF power
state (not the power-
on configuration)
Operating
System or
Microprocess
or execution
code
Front panel
microprocessor
U401
1822-3182
(same chip as other
parts, but managed
separately)
N/A, contains
no application-
specific
information.
Front panel
microprocessor
(RAM)
256 Bytes
No
Yes
No
Front panel
microprocessor
temporary execution
data
Microprocess
or execution
code
Front panel
microprocessor
U401
1822-3182
(same chip as other
parts, but managed
separately)
Power cycle
Main processor
(ROM)
32 kB
No
No
Yes
Main processor
execution code
Manufacturer
programmed
Front panel
U201
1822-4268
(same chip as other
parts, but managed
separately)
N/A, contains
no application-
specific
information.