Security Features & Document of Volatility 15
Instrument Memory & Volatility
Non-Volatile Memory
18. Disk Drive
Capacity Varies
from 80 GByte to
256 GByte or
higher
This drive is
partitioned, as
detailed in “Disk
Drive
Partitioning” on
page 19.
Yes Yes Contains Operating
System, Instrument
Software, Factory
Calibration Data,
Diagnostic software,
Crash recovery image,
user instrument states,
user data files, user trace
data and any user
installed third party
software.
Programmed
before installation
or by
factory/service
center calibration
procedure
software, or by
upgrade
installation
software. Also
programmed via
operations and by
the user.
A5 Disk Drive
Assy
Contains user
data.
See Table 5-1
on page 22.
19. License
Storage Memory
512 kbit EEPROM
No Yes Contains instrument
serial number and
license keys for
measurement
applications. License
keys are encrypted.
Programmed
before installation
and by installing
new license keys.
A7 Midplane
Assy
Contains no
user data.
None
20. Config
Memory
8 kbit EEPROM
No Yes Header EEPROM used to
identify the assembly.
Programmed
before installation.
A11 RF Switch /
High Band
Preamp.
Contains no
user data.
None
21. Config
Memory
8 kbit EEPROM
No Yes Header EEPROM used to
identify the assembly.
Programmed
before installation.
A12 YTF Assy
Contains no
user data.
None
22. Config
Memory
8 kbit EEPROM
No Yes Header EEPROM used to
identify the assembly.
Programmed
before installation.
A13 Front End
Assy
Contains no
user data.
None
23. Config & Cal
Memory
8 kbit EEPROM
No Yes Header EEPROM used to
identify the assembly.
Programmed
before installation.
A14 Synthesizer
Assy
Contains no
user data.
None
Table 4-1 Summary of Non-Volatile instrument memory
Memory
Component,
Type and Size
Writable During Normal
Operation?
Data Retained When
Powered Off?
Purpose/Contents Data Input Method Location in
Instrument and
Remarks
Sanitization
Procedure
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