Tektronix DPO4104 User manual

Tektronix 4000 Series Oscilloscopes

Declassiﬁcation and Security

ZZZ

Instructions

Revision B

www.tektronix.com

071-2196-00

or suppliers, and are protected by national copyright laws and international treaty provisions.

Tektronix products are covered by U.S. and foreign patents, issued and pending. Information in this publication

supersedes that in all previously published material. Speciﬁcations and price change privileges reserved.

TEKTRONIX and TEK are registered trademarks of Tektronix, Inc.

TekSecure is a trademark of Tektronix, Inc.

Tektronix is an authorized licensee of the CompactFlash® trademark.

Contacting Tektronix

Tektronix, Inc.

14200 SW Karl Braun Drive

P.O. Box 500

Beaverton, OR 97077

USA

For product information, sales, service, and technical support:

In North America, call 1-800-833-9200.

Worldwide, visit www.tektronix.com to ﬁnd contacts in your area.

Table of Contents

Preface.............................................................................................................. iii

Clear and Sanitize Procedures.............................. .............. .............. ........................... 1

Memory Devices............................................................................................... 1

Data Export Devices........................................................................................... 2

Built-In Security Features ......................................................................................... 3

When to Use TekSecure....................................................................................... 3

What TekSecure Does......................................................................................... 3

Disable the LAN Port and Clear LAN Ethernet Settings........... .............. ......................... 4

Disable the USB Device Port................................................................................. 5

Clear and Sanitize a Non-Functional Instrument....... .................................. ....................... 7

Tektronix 4000 Series Declassiﬁcation and Security Instructions i

Table of Contents

ii Tektronix 4000 Series Declassiﬁcation and Security Instructions

Preface

If you have data security concerns, this document helps you to sanitize or remove

memory devices from the Tektronix 4000 Series Digital Phosphor Oscilloscopes.

The 4000 series products have data storage (memory) devices and data output

devices (CompactFlash card, and USB ports). These instructions tell you how

to clear or sanitize the memory devices, and also tell you how to declassify an

instrument that is not functioning.

Instrument code and calibration settings reside in nonvolatile ﬂash memory.

Instrument setups and reference waveforms may also be stored in ﬂashmemoryor

on CompactFlash and USB drives connected to the instrument.

If you have any questions, contact the Tektronix Technical Support Center at

www.tektronix.com/support.

Products The following Tektronix products are covered by this document:

DPO4104

DPO4054

DPO4034

DPO4032

MSO4104

MSO4054

MSO4034

MSO4032

Related Documents The Tektronix 4000 Series Digital Phosphor Oscilloscopes Service Manual,

part number 071-2137-XX, is available on the Tektronix Web site at

www.tektronix.com/manuals.

Tektronix 4000 Series Declassiﬁcation and Security Instructions iii

Preface

Terms The following termsmaybeusedinthisdocument:

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.

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. Some instruments have a “Standby” mode, in which power is

still supplied to the instrument. For the purpose of clearing data, putting the

instrument in Standby mode does not qualify as powering off. For these

products, you will need to either press a rear-panel OFF switch or remove the

power source from the instrument.

Remove. Thisisaphysicalmeanstoclearthedatabyremovingthememory

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-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 Tektronix 4000 Series Declassiﬁcation and Security Instructions

Clear and Sanitize Procedures

Memory Devices

The following tables list the volatile and nonvolatile memory devices in the

standard instrument and listed options.

Table 1: Volatile Memory Devices for the DPO4000 and MSO4000 Series

Type and minimum size Function User modiﬁable

Data input

method Location To clear or sanitize

CMOS, SDRAM, 32 M X 16,

512 MB DDR2, 1.8 V, 333 MHZ

(EFFECTIVE 667 MHZ);

MT47H32M16FT-3 REBAL

DDR memory: contains

waveform acquisition

data during operation

Only by the

processor system

N/A Acquisition board; the

number of SDRAM

devices vary by model

Remove power from the

instrument for at least

20 seconds

CMOS, DDR; 16 MB X

16, 256 M, 10 NS, 2.5 V;

MT46V16M16TG-8, TSOP66,

DS3

DDR memory: contains

instrument code and

data during operation

Only by the

processor system

N/A Acquisition board Remove power from the

instrument for at least

20 seconds

CMOS, PERIPHERAL; VIDEO

ACCELERATOR, INTERNAL

SDRAM, XGA, PCI, AGP, ATI

M6C16H, BGA696

Display ASIC: includes

SDRAM, which contains

display images during

operation

Only by the

processor system

N/A Acquisition board Remove power from the

instrument for at least

20 seconds

Table 2: Additional Volatile Memory Devices for the MSO4000 Series

Type and minimum size Function User modiﬁable

Data input

method Location To clear or sanitize

CMOS, DRAM; 8MX32,

256MB, SDRAM, 3.3V;

MT48LC8M32B2F5-7, 90-BALL

FBGA (11MM X 13MM), DS4

DDR memory: contains

instrument code and

data during operation

Only by the

processor system

N/A Acquisition board Remove power from the

instrument for at least

20 seconds

CMOS, DRAM; 4MX32,

128MB, SDRAM, 3.3V;

MT48LC4M32B2FC-7,

90-BALL FBGA (11MM X

13MM), DS4

Display ASIC: includes

SDRAM, which contains

display images during

operation

Only by the

processor system

N/A Acquisition board Remove power from the

instrument for at least

20 seconds

Table 3: Nonvolatile Memory Devices

Type and minimum size Function User modiﬁable

Data input

method Location To clear or sanitize

CMOS, EEPROM; 128 X 8,

SERIAL; 24C01A, SOIC8

EEPROM: contains

PowerPC hardware

conﬁguration

Only by the

processor system

N/A Acquisition board Not applicable - no user

data

Tektronix 4000 Series Declassiﬁcation and Security Instructions 1

Clear and Sanitize Procedures

Table 3: Nonvolatile Memory Devices (cont.)

Type and minimum size Function User modiﬁable

Data input

method Location To clear or sanitize

CMOS,FLASH;16MX8OR

8M X 16, 128 MBIT, 150 NS, 3 V,

QFLASH; MT28F128J3FS-15,

BGA64

Flash: contains the

instrument ﬁrmware,

calibration constants,

reference waveforms,

and instrument setups

Only by the

processor system

N/A Acquisition board Not applicable for

calibration constants.

Use the TekSecure

featuretoerase

reference waveforms

and instrument

setups.(See page 3,

What TekSecure Does.)

Use the procedure to

disable the LAN Ethernet

and to clear information,

such as IP addresses.

(See page 4, Disable the

LAN Port and Clear LAN

Ethernet Settings.)

CMOS, FLASH; 512 K X

8, 3.0 V, 90 N S, BOTTOM

SECTOR; AM29LV040B-90JC,

PLCC32

Flash: contains the

instrument boot code

Only by the

processor system

N/A Acquisition board Not applicable - no user

data

Data Export Devices

The following table lists the data export devices.

Table 4: Data Export Devices

Type and minimum size Function User modiﬁable

Data input

method Location To disable

CompactFlash card port Supports the removable

CompactFlash memory

card; user storage of

reference waveforms,

screen images, and

instrument setups

Yes Save CompactFlash port

on the front of the

instrument

Files can be deleted

or overwritten on the

instrument or a PC;

the CompactFlash card

canberemovedand

destroyed.

The CompactFlash port

cannot be disabled.

USB host ports Supports the removable

USB ﬂash drive; user

storage of reference

waveforms, screen

images, and instrument

setups

YesSave USB host ports on the

front and rear of the

instrument

Files can be deleted

or overwritten on the

instrument or a PC; the

USB ﬂash drive can be

removed and destroyed.

The USB host ports

cannot be disabled.

USB device port Supports remote control

and data transfer to a

Yes Remote

control via

USBTMC

USB device port on the

rear of the instrument

The USB device port

cannot be disabled.

2 Tektronix 4000 Series Declassiﬁcation and Security Instructions

Built-In Security Features

When to Use TekSecure

You can use the TekSecure function to erase setup and reference waveform data

stored in internal ﬂash memory.

The 4000 series models have three USB host ports (one on the front and two on

the rear panel) and one CompactFlash port on the front panel. Any USB ﬂash

devices or CompactFlash cards can be removed and stored or destroyed.

What TekSecure Does

The TekSecure function does the following:

Replaces all waveforms in all reference memories with null sample values

Replaces the current front-panel setup and all stored setups with the default

setup values

Calculates the checksums of all reference waveform memory and setup

memory locations to verify successful completion of waveform and setup

erasure

Displays a dialog indicating whether the secure erase was successful or

unsuccessful

NOTE. TekSecure does not erase or change factory calibration constants or

Ethernet settings.

To use TekSecure:

1. Push the front-panel Utility button.

2. Push the Utility Page lower-bezel button and use the Multipurpose a knob

to select Conﬁg.

3. Push the TekSecure Erase Memory lower-bezel button.

4. Push the OK Erase Setup and Ref Memory side-bezel button. Wait for the

“TekSecure operation complete” dialog box to display.

5. Push the Menu Off front-panel button to close the dialog box.

Tektronix 4000 Series Declassiﬁcation and Security Instructions 3

Built-In Security Features

To reset the instrument RAM:

1. Power off the instrument.

2. Power on the instrument.

Disable the LAN Port and Clear LAN Ethernet Settings

To disable the LAN port and clear LAN Ethernet settings, such as IP addresses,

follow these steps:

CAUTION. If you need to restore network connectivity at a later date, make sure to

write down all setting values before clearing them.

1. Remove the network cable from the LAN port on the rear of the instrument.

2. Push the front-panel Utility button.

3. Push the Utility Page lower-bezel button and use the Multipurpose a knob

to select I/O.

4. Push the Ethernet Network Settings lower-bezel button.

5. Push the Change Instrument Settings side-bezel button.

6. Push the ↑or ↓arrow side-bezel button to position the cursor on the User

Password information.

7. Push the Clear lower-bezel button.

8. Push the ↓arrow side-bezel button to position the cursor on the Instrument

IP Address information.

9. Push the Clear lower-bezel button.

4 Tektronix 4000 Series Declassiﬁcation and Security Instructions

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