Specifications

72
PNA Series memory
This section contains information on the types of memory available in your PNA. It
explains the size of memory, how it is used, its location, volatility, and the sanitization
procedure.
Memory clearing, sanitization and/or removal procedures
This section explains how to clear, sanitize, and remove memory from your PNA for all
memory that can be written to during normal operation and for which the clearing and
sanitization procedure is more than trivial such as rebooting your instrument.
Table 19.
Description and purpose Hard disk drive
Memory clearing Delete user files and empty recycle bin
Memory sanitization Remove hard disk drive and replace with a new or unused
hard disk drive. See the PNA Service Manual for details.
Memory removal Remove hard disk drive
Write protecting N/A
Table 18.
Memory type
Writable during
normal
operation?
Data retained
when powered
Off? Purpose/contents
Data
input
method
Locationin
instrument and
remarks
Sanitization
procedure
main memory
(SDRAM)
yes no Firmware operating
memory
Operating
system (not
user)
CPU board Cycle power
hard disk drive yes yes User files, including
calibrations and
instrument states
User-saved
data
Removable from
rear panel
EEPROM No Yes Instrument
information such as
serial number, installed
options, correction
constants
Factory or
authorized
personnel
only
1,2, or 3 EEPROMs
contained on
most PC Boards