Memory type
and size
Writable during
normal
operation?
Data retained
when
powered off?
Purpose/contents Data input
method
Location in
instrument and
remarks
Sanitization
procedure
Measurement
Processor (Flash)
512 kByte
No Yes Used to store processor
execution code.
By factory
install and by
firmware
upgrade
Measurement
board
Not available
Measurement
Processor
(SRAM)
98 kByte
Yes No Used for data path
processing.
By firmware
operations
Measurement
board
Power cycle
Measurement
Calibration
(EEPROM)
8 kByte
Yes Yes Contains calibration data. By user input Measurement
board
Not available
Measurement
FPGA (Flash)
1.27 Mbit
No Yes Contains logic array
configuration.
By factory
install and by
firmware
upgrade
Measurement
board
Not available
Measurement
FPGA (SRAM)
166 kbit
Yes No Used for data processing. By FPGA oper-
ations
Measurement
board
Power cycle
10
Keysight DAQ970A Security Guide