Security Features and Document of Volatility 12
Instrument Memory & Volatility
Non-Volatile Memory
5. Config Memory
8 Mbit Flash
No Yes Contains measurement
and control software,
which is preloaded into
FPGA during instrument
power-up.
Programmed
before installation.
A3 Digital IF
Assy.
Contains no
user data.
None
6. CPU BIOS
(CMOS NVRAM)
256 Byte
(battery backed)
No Yes Contains default BIOS
settings to use when
booting the Processor
Assembly.
Programmed by
factory. Settings
can be toggled by
user.
A4 Processor
Assy.
Battery backed
to maintain
Windows
calendar time.
Contains no
user data.
None
7. SD Memory
Card
16 GByte
Yes Yes Calibration database file
backup
Programmed by
instrument
software and by the
user
A4 Processor
Assy
Contains user
data.
See Table 5-3
on page 22.
8. SD card
controller
configuration
memory
2 Kbit EEPROM
No Yes Configuration for the SD
card controller on boot
up
Programmed
before installation
A4 Processor
Assy
Contains no
user data
None
9. PCIe retimer
configuration
8 Kbit EEPROM
No Yes Configuration for the
PCIe retimer for external
PCIe communication
Programmed
before installation
A4 Processor
Assy
Contains no
user data
None
10. FPGA
configuration
64 Mbit SPI
PROMM
No Yes Configuration of the
FPGA
Programmed
before installation
A4 Processor
Assy
Contains no
user data
None
11. USB3 Device
Side controller
configuration
64 Kbit EEPROM
No Yes Configuration of the
USB3.0 Device Side
Controller
Programmed
before installation
A4 Processor
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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