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Statement of Volatility
R&S
®
FPH
8Instrument Security Procedures 1178.8994.02 ─ 05
4 Statement of Volatility
The R&S FPH Spectrum Analyzer contains various memory components. See the sub-
sequent sections for a detailed description regarding type, size, usage and location.
Notes on memory sizes
Due to the continuous development of memory components, the listed values of mem-
ory sizes may not represent the current, but the minimal configuration.
4.1 Volatile Memory
Volatile memory modules are considered as non-accessible internal memory devices,
as described in
Security Terms and Definitions > Volatile Memory. It requires power to
retain data and when the power is turned off, all data is erased.
Table 4-1: Types of volatile memory
Memory
type
Location Size Content User
Data
Sanitization procedure
SDRAM Mainboard 512 Mbyte Temporary information storage for
operating system and instrument
firmware
Yes Turn off instrument power and
remove the battery.
See
Chapter 5, "Instrument Sani-
tization Procedure", on page 10
SRAM Frontboard
(µController internal)
4 kbyte Temporary information storage for
Power-up / Power-down firmware
No
4.2 Non-Volatile Memory
Non-volatile memory modules are considered as non-accessible internal memory devi-
ces, as described in
Security Terms and Definitions > Non-volatile Memory. It does not
require power to maintain the stored data.
Table 4-2: Types of non-volatile memory
Memory
type
Location Size Content User
Data
Sanitization procedure
Flash Frontboard
(µController internal)
32 kbyte Power-up / Power-down firmware No None required (no user data
See
Chapter 5, "Instrument Sani-
tization Procedure", on page 10
Flash Mainboard 128 Mbyte
●
Operating system
●
Instrument firmware
●
Boot code
●
Calibration correction data,
device options and serial
number
●
User data and instrument
settings
Yes
Non-Volatile Memory