Tektronix TLA6402 Installation and maintenance instructions

TLA6400 Series Logic Analyzers
Declassification and Security
ZZZ
Instructions
xx
www.tektronix.com
*P077063101*
077-0631-01

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Table of Contents
Preface.............................................................................................................. iii
Clear and Sanitize Procedures...................... .............. .............. ................................ ... 1
Memory Devices............................................................................................... 1
Media and Data Export Devices ............................................................................. 6
Built-In Security Features ......................................................................................... 9
Troubleshooting.................................................................................................... 11
Clear or Sanitize a Nonfunctional Instrument ................. ........................ .................... 11
Recover from Clearing or Removing the Instrument Memory .......................................... 11
TLA6400 Series Declassification and Securities Instructions i

Table of Contents
ii TLA6400 Series Declassification and Securities Instructions

Preface
This document helps customers with data security concerns to sanitize or remove
memory devices from TLA6400 Series Logic Analyzers.
These products have data storage (memory) devices and data output devices (USB
ports). These instructions tell how to do the following:
Clear or sanitize the memory devices
Clear or sanitize an instrument that is not functioning
Products The following Tektronix products are covered by this document:
TLA6401 and all options
TLA6402 and all options
TLA6403 and all options
TLA6404 and all options
Related Documents Refer to the following service-related documents available on the Tektronix Web
site at www.tektronix.com/manuals or to the TLA Documentation CD that is
available with your product:
TLA6400 Series Logic Analyzer Installation Manual (Tektronix part number,
077-0632-xx)
TLA6400 Series Service Manual (Tektronix part number, 077-0638-xx)
Terms The following terms may be used in this document:
Clear. This removes data on media/memory before reusing it in a secured
area. All reusable memory is cleared to deny access to previously stored
information by standard means of access.
Erase. This is equivalent to clear.
Instrument Declassification. A term that refers to procedures that must be
undertaken before an instrument can be removed from a secure environment.
Declassification procedures include memory sanitization and memory
removal, and sometimes both.
Media storage/data export device. Any of several devices that can be used
to store or export data from the instrument, such as a USB port.
Nonvolatile memory. Data is retained when the instrument is powered off.
Power off. The instruments have a “Standby” mode, in which power is
still supplied to the instrument. For clearing data, putting the instrument in
TLA6400 Series Declassification and Securities Instructions iii

Preface
Standby mode does not qualify as powering off. For these products, you must
remove the power source from the instrument.
Remove. This isaphysicalmeanstoclearthedatabyremovingthememory
device from the instrument. Instructions are available in the product Service
Manual.
Sanitize. This eradicates the data from media/memory so that the data cannot
be recovered by other means or technology. This is typically used when the
device will be moved (temporarily or permanently) from a secured area to a
non-secured area.
Scrub. This is equivalent to sanitize.
User Accessible. User is able to directly retrieve the memory device contents.
User-modifiable. The user can write to the memory device during normal
instrument operation, using the instrument interface or remote control.
Volatile memory. Data is lost when the instrument is powered off.
iv TLA6400 Series Declassification and Securities Instructions

Clear and Sanitize Procedures
Memory Devices
The following tables list the volatile and nonvolatile memory devices in the
standard instrument and listed options. Detailed procedures to clear or sanitize
these devices, if any, are shown following each table.
Terminology The following terms are used in the tables in this section:
User data – Describes the type of information stored in the device. Refers to
waveforms or other measurement data representing signals connected to the
instrument by users.
User settings – Describes the type of information stored in the device. Refers
to instrument settings that can be changed by the user.
Both – Describes the type of informationstoredinthedevice. Itmeansthat
both user data and user settings are stored in the device.
None – Describes the type of information stored in the device. It means that
neither user data nor user settings are stored in the device.
Directly – Describes how data is modified. It means that the user can modify
the data.
Indirectly – Describes how data is modified. It means that the instrument
system resources modify the data and that the user cannot modify the data.
Table 1: Volatile memory devices
Typeand
min. size Function
Type
of user
info
stored
Backed-up
by
battery
Method
of
modification
Data
Input
method Location
User
accessible To clear
Process to
sanitize
DIMM
4GByte
Microprocess
system
memory
User
data,
user
settings
No Directly Written
by
processor
system
Motherboard Yes Remove power
from the
instrument for at
least 20 seconds.
Remove power
from the
instrument
for at least
20 seconds.
DRAM
4MByte
Firmware
execution
code
(68360)
User
settings
No Indirectly Written
by
processor
system
Interface
Board
No Remove power
from the
instrument for at
least 20 seconds.
Remove power
from the
instrument
for at least
20 seconds.
DRAM
4MByte
Acquisition
data
transfer
(VXI
FPGA)
User
data
No Indirectly Written
by
processor
system
Interface
Board
No Remove power
from the
instrument for at
least 20 seconds.
Remove power
from the
instrument
for at least
20 seconds.
TLA6400 Series Declassification and Securities Instructions 1

Clear and Sanitize Procedures
Table 1: Volatile memory devices (cont.)
Type and
min. size Function
Type
of user
info
stored
Backed-up
by
battery
Method
of
modification
Data
Input
method Location
User
accessible To clear
Process to
sanitize
DDR2
128 MByte
Firmware
execution
code
(IXP430)
User
settings
No Indirectly Written
by
processor
system
Interface
Board
No Remove power
from the
instrument for at
least 20 seconds.
Remove power
from the
instrument
for at least
20 seconds.
DDR2
1GByte
Holds
active
acquisition
data
User
data
No IndirectlyFirmware
operations
Acquisition
board
TLA6401
No Remove power
from the
instrument for at
least 20 seconds.
Remove power
from the
instrument
for at least
20 seconds.
DDR2
2GByte
Holds
active
acquisition
data
User
data
No Indirectly Firmware
operations
Acquisition
board
TLA6402
No Remove power
from the
instrument for at
least 20 seconds.
Remove power
from the
instrument
for at least
20 seconds.
DDR2
3GByte
Holds
active
acquisition
data
User
data
No Indirectly Firmware
operations
Acquisition
board
TLA6403
No Remove power
from the
instrument for at
least 20 seconds.
Remove power
from the
instrument
for at least
20 seconds.
DDR2
4GByte
Holds
active
acquisition
data
User
data
No Indirectly Firmware
operations
Acquisition
board
TLA6404
No Remove power
from the
instrument for at
least 20 seconds.
Remove power
from the
instrument
for atleast
20 seconds.
ASIC 16 Kb Firmware
execution
code
(ADG402)
User
settings
No Indirectly Written
by
processor
system
Interface
Board
No Remove power
fromthe
instrument for at
least 20 seconds.
Remove power
fromthe
instrument
for at least
20 seconds.
2 TLA6400 Series Declassification and Securities Instructions

Clear and Sanitize Procedures
Table 2: Nonvolatile memory devices
Type and
min. size Function
Type
of user
info
stored
Method
modification
Data
Input
method Location
User
accessible To clear To sanitize
Removable
hard disk
drive
Holds
instrument
operating
system and
application
software.
Holds all
user-storable
data such as
waveforms,
measurement
results, and
instrument
settings.
User
data,
user
settings
Indirect Firmware
operations,
user
input
Side panel Yes Acquire a full
memory length
acquisition of noise
(no signal attached
to the input). Erase
the hard drive with
commercial erasure
software. Reinstall
Microsoft Windows
using the OS
Restore procedure
in the TLA6400
Series Installation
Manual (Tektronix
part number
077-0632-xx).
Reinstall the
instrument software
using the supplied
recovery disk. (See
page 5, Clear the
Hard Disk Drives.)
Remove the hard
dsik drive. Store
the removed
hard disk drive in
a secure area.
Flash
8MByte
Stores BIOS None Indirect Firmware
operations
Motherboard No Load new BIOS from
vendor website.
Not applicable,
does not contain
user data
or settings.
Sanitizing
would disable
instrument
functionality.
CMOS
64 Mbit
Configurable
BIOS
parameters
None Indirect Firmware
operations
Motherboard No Remove Battery Not applicable,
does not contain
user data
or settings.
Sanitizing
would disable
instrument
functionality.
Flash
16 MByte
Stores
instrument
firmware
(68360)
None Indirect Firmware
operations
Interface
board
No Load new firmware.
See installation
manual.
Not applicable,
does not contain
user data
or settings.
Sanitizing
would disable
instrument
functionality.
Flash
8MByte
Stores
instrument
firmware
(IXP430)
None Indirect Firmware
operations
Interface
board
No Load new firmware.
See installation
manual.
Not applicable,
does not contain
user data
or settings.
Sanitizing
would disable
instrument
functionality.
TLA6400 Series Declassification and Securities Instructions 3

Clear and Sanitize Procedures
Table 2: Nonvolatile memory devices (cont.)
Type and
min. size Function
Type
of user
info
stored
Method
modification
Data
Input
method Location
User
accessible To clear To sanitize
Flash
2MByte
(512 X 8)
Stores model
number and
instrument
serial number
None Indirect Firmware
operations
Interface
board
No Load new firmware.
See installation
manual.
Not applicable,
does not contain
user data
or settings.
Sanitizing
would disable
instrument
functionality.
NVRAM
128 KByte
Stores
instrument
serial number
and calibration
constants.
None Indirect Firmware
operations
Acquisition
board
No Not applicable, does
not contain user
data or settings.
Clearingwould
disable instrument
functionality.
Not applicable,
does not contain
user data
or settings.
Sanitizing
would disable
instrument
functionality.
EPROM
8 KByte
Stores
front panel
keyboard code
None None Factory
configuration
Interface
board
No Not applicable, does
not contain user
data or settings.
Clearing would
disable instrument
functionality.
Not applicable,
does not contain
user data
or settings.
Sanitizing
would disable
instrument
functionality.
PROM
16 Mbit
Contains
FPGA images
for instrument
control
None None Factory
configuration
Interface
board
No Not applicable, does
not contain user
data or settings.
Clearing would
disable instrument
functionality.
Not applicable,
does not contain
user data
or settings.
Sanitizing
would disable
instrument
functionality.
PROM
4Mbit
Contains
FPGA image
for instrument
control
None None Factory
configuration
Interface
board
No Not applicable, does
not contain user
data or settings.
Clearing would
disable instrument
functionality.
Not applicable,
does not contain
user data
or settings.
Sanitizing
would disable
instrument
functionality.
Flash
32 KByte
Stores power
controller code
None None Factory
configuration
Front panel
board
No Not applicable, does
not contain user
data or settings.
Clearing would
disable instrument
functionality.
Not applicable,
does not contain
user data
or settings.
Sanitizing
would disable
instrument
functionality.
4 TLA6400 Series Declassification and Securities Instructions