Keysight N9020B - Page 13

Security Features and Document of Volatility 13
Instrument Memory & Volatility
Non-Volatile Memory
12. COMe
EEPROM
64 Kbit EEPROM
No Yes Defines PCIe, SATA, USB,
DisplayPort, VGA, LAN,
audio link
Programmed
before installation
A4 Processor
Assy
Contains no
user data
None
13. Board
Controller
512 Bytes
EEPROM
No Yes Record board information
(boot times, WDT, etc.)
Programmed
before installation
A4 Processor
Assy
Contains no
user data
None
14. CPLD
64 Mbit SPI
PROMM
No Yes Power sequence control Programmed
before installation
A4 Processor
Assy
Contains no
user data
None
15. I2C EEPROM
2 Kbit EEPROM
No Yes Stores EAPI-related
settings for COMe
module
Programmed by
factory
A4 Processor
Assy
Contains no
user data
None
16. COMe
EEPROM
64 Mbit SPI
EEPROM
No Yes COMe BIOS SPI ROM Programmed
before installation
A4 Processor
Assy
Contains no
user data
None
17. Disk Drive
80 GByte
This drive is
partitioned, as
detailed in
“Disk
Drive
Partitioning” on
page 18.
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 21.
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