Keysight Technologies N8921A - Page 9

9
Memory Type
and Size
Is Memory user
accessible as a mass
storage device?
Writable During
Normal Operation?
Data Retained When
Powered Off?
Purpose/Contents
Data Input
Method
Location in
Instrument and
Remarks
Sanitization
Procedure
PROM
M25P40
FLASH
Memory
2 Kb
No
Yes
Yes
FPGA program
code. No user
stored data.
Factory
Service
Only
IO board
No method, not
user accessible
Memory Type
and Size
Is Memory user
accessible as a mass
storage device?
Writable During
Normal Operation?
Data Retained When
Powered Off?
Purpose/Contents
Data Input
Method
Location in
Instrument and
Remarks
Sanitization
Procedure
4kB
EEPROM
No
Yes
Yes
Analog interface
calibration,
Model number,
serial number,
nominal values,
firmware and
hardware version.
Factory
Service
Only
KE board
No method, not
user accessible
2kB
EEPROM
No
Yes
Yes
Calibration
parameters.
Factory
Service
Only
LT board
No method, not
user accessible