Types Of Memory And Information Storage; Volatile Memory - R&S NGM Instrument Security Procedures

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R&S NGM/NGL
The declassification procedures described in this document are designed to meet the
requirements specified in DoD 5220.22-M, "National Industrial Security Program
Operating Manual (NISPOM)", Chapter 8.

Types of Memory and Information Storage

The NGM/NGL Power Supplies contain various memory components. The following
table provides an overview of the memory components that are part of your instrument.
For a detailed description regarding type, size, usage and location, refer to the
subsequent sections.
Table 4-1: Memory types

4.1 Volatile Memory

The volatile memory in the instrument loses its contents as soon as power is removed
from the instrument. The volatile memory is not a security concern. Removing power
Instrument Security Procedures 3662.9729.02
Memory type Size
Main Processor -
Internal Caches and
Memory
DDR3 SDRAM 2 x 2Gb
eMMC NAND Flash 4GB
MCU Internal Flash 256+3KB per chip
R&S NGL201 x1
R&S NGM201 x1
R&S NGL202 x2
R&S NGM202 x2
MCU Internal SRAM 32 KB per chip
R&S NGL201 x1
R&S NGM201 x1
R&S NGL202 x2
R&S NGM202 x2
EEPROM 32Kbit
Types of Memory and Information Storage
Content Volatility
Startup and Volatile
operating
instructions,
operating data and
states
Operating Volatile
instructions, user
and program data
Board and device Non-volatile Yes
IDs, instrument
firmware, calibration
data, instrument
settings, state and
user data
Channel control Non-volatile No
firmware and
calibration data
Channel operating Volatile
data
Calibration and Non-volatile No
production data
User Sanitization
Data procedure
Yes Power Off
Yes Power Off
Secure Erase
Not required
No Power Off
Not required
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