
16
Instrument Memory & Volatility
MXG (Series B) & EXG Memory
MXG (Series B) & EXG Memory
The following tables describe each memory type used in the base instrument and optional baseband
generator.
Table 5-1
Base Instrument (All models and options)
Memory
Component, Type
and Size
W
rit
able During
Normal Operatio
n?
Data Retained
When
Powered Off?
Purpose/Contents
Data Input
Method
Location in
Instrument
and
Remarks
Sanitization
Procedure
1. Main Memory
(DRAM)
512 MByte
Yes
No
Firmware operating
memory.
Operating
system
CPU board,
not battery
backed.
Volatile
memory.
Turn off
instrument
power.
2. Main Memory
(Flash)
512 MByte,
partitioned as
follows:
200 MByte: Boot
(Main firmware
image, Operating
system)
50 MByte: System
(Calibration/
Configuration)
1 MByte: Secure
Storage
180 MByte: User
Yes
Yes
Factory calibration
and configuration
data
User file system
a
,
which includes
flatness calibration,
instrument states,
and sweep lists
Firmware
upgrades and
user-saved
data
a
CPU board
Boot Area: no
user data
User and
Secure
Storage
Areas: see
“Erase and
Sanitize All”
on page 32
.
3. Front Panel
Memory
(Flash)
24 KByte
No
Yes
Front panel keyboard
controller firmware
Operating
system
Front Panel
board
None
required (no
user data)
Summary of Contents for N5171B
Page 4: ...4 ...
Page 6: ...6 Contents ...
Page 8: ...8 Contacting Agilent Sales and Service Offices ...
Page 12: ...12 Products Covered by this Document Recommended Software Upgrades ...
Page 14: ...14 Security Terms and Definitions ...
Page 38: ...38 Using Secure Display ...
Page 42: ...42 Security Issues for Certain Firmware Revisions Recovering Erased System Files ...
Page 46: ...46 Procedure for Declassifying a Faulty Instrument ...