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Instrument Memory & Volatility
Past Memory Information
Table 4-3
Base Instrument (All EXG and MXG models and options, except Option SD0)
Memory
Component, Type
and Size
2. Main Memory
Yes
(Flash)
512 MByte,
partitioned as
follows:
200 MByte: Boot
(Main firmware
image, Operating
system)
50 MByte: System
(Calibration/
Configuration)
1 MByte: Secure
Storage
(Configuration)
180 MByte: User
(User file system)
6. SD Card (Option
Yes
006)
(Flash)
8 GByte
a. Analog instruments only
Security Features & Document of Volatility
Purpose/Contents
Yes
Factory calibration and
configuration data
a
User file system
, which
includes flatness
calibration, instrument
states, and sweep lists
Yes
Optional storage of User
data
.
Data Input
Location in
Method
Instrument
and Remarks
Firmware
CPU board
upgrades and
user-saved data
User-saved data
Removable
card may be
retained in
Secure Area
Sanitization
Procedure
Boot Area: no
user data
User and
Secure Storage
Areas: see
"Erase and
Sanitize All
(Option 006
Only)" on
page
17.
Without Option
006, there is no
erase, nor erase
and sanitize,
only declassify,
see
Chapter 7,
"Procedure for
Declassifying a
Faulty
Instrument.".
None required
14
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