Tektronix TLA7AA1 Manual de usuario

TLA700/TLA7000 Series Tektronix Logic Analyzer

Declassiﬁcation and Security

ZZZ

Instructions

www.tektronix.com

077-0037-01

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Table of Contents

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

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

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

Data Export Devices........................................................................................... 5

Troubleshooting..................................................................................................... 7

How to Sanitize or Clear a Nonfunctional Instrument.......... .............. ........................ ..... 7

TLA700/TLA7000 Series Declassiﬁcation and Security Instructions i

Table of Contents

ii TLA700/TLA7000 Series Declassiﬁcation and Security Instructions

Preface

This document helps customers with data security concerns to sanitize or remove

memory devices from the TLA700 and TLA7000 Series Logic Analyzer family

modules.

These products have data storage (memory) devices and data output devices.

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:

TLA7AA1, TLA7AA2, TLA7AA3, TLA7AA4

TLA7AB2, TLA7AB4

TLA7AC2, TLA7AC3, TLA7AC4

TLA7NA1, TLA7NA2, TLA7NA3, TLA7NA4

TLA7N1, TLA7N2, TLA7N3, TLA7N4

TLA7P2, TLA7P4

TLA7NQ2, TLA7NQ4

TLA7XM

TLA7PG2

TLA7D1, TLA7D2

TLA7E1, TLA7E2

TLA700/TLA7000 Series Declassiﬁcation and Security Instructions iii

Preface

Related Documents Refer to the following service documents available on the Tektronix Web site at

www.tektronix.com/manuals or to the TLA Documentation CD that is available

with your product:

TLA700 Series Mainframe Installation Manual

TLA7000 Series Mainframe Installation Manual

Tektronix Logic Analyzer Module (TLA7AAx, TLA7ABx & TLA7NAx) Service

Manual

TLA7ACx Logic Analyzer Module Service Manual

Tektronix Logic Analyzer Module (TLA7Nx, TLA7Px, & TLA7Qx) Service

Manual

TLA7PG2 Pattern Generator and Probes Service Manual

TLA721 Benchtop & TLA7XM Expansion Mainframe Service Manual

TLA7Dx & TLA7Ex Digitizing Oscilloscope Service Manual

Terms The followingtermsmaybeusedinthisdocument:

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.

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 TLA700/TLA7000 Series Declassiﬁcation and Security Instructions

Clear and Sanitize Procedures

Memory Devices

The following tables list the volatile and nonvolatile memory devices.

YouonlyneedtoperformtheNonvolatile Memory Security Procedure to clear the

instrument. (Seepage4,Nonvolatile Memory Security Procedure.)

Table 1: Volatile memory devices

Type and

minimum size Function

User

modiﬁable

Data input

method Location To clear To sanitize

DRAM,

1MX8

Firmware

execution code

No Written by the

processor system

LPU board Remove power

source from the

instrument for at least

20 seconds.

Remove LPU

board and either

securely store it

or destroy it.

DRAM,

1MX4

Firmware

execution code

No Written by the

processor system

LPU board,

Enhanced Monitor

board, TLA7PG2

Clock & Backplane

interface board

Remove power

source from the

instrument for at least

20 seconds.

Remove LPU

board and either

securely store it

or destroy it.

DRAM,

1MX16

Firmware

execution code

No Written by the

processor system

LPU board Remove power

source from the

instrument for at least

20 seconds.

Remove LPU

board and either

securely store it

or destroyit.

DRAM,

64 K X 16

Firmware

execution code

No Written by the

processor system

LPU board Remove power

source from the

instrument for at least

20 seconds.

Remove LPU

board and either

securely store it

or destroy it.

BICMOS Firmware

execution code

No Written by the

processor system

LPU board Remove power

source from the

instrument for at least

20 seconds.

Remove LPU

board andeither

securely store it

or destroy it.

SDRAM

4MX16

Acquisition

memory for storing

acquired data

No Written by

controller ASICs

Acquisition board Remove power

source from the

instrument for at least

20 seconds.

Remove

acquisition

board and either

securely store it

or destroy it.

SDRAM

1MX16

Acquisition

memory for storing

acquired data

No Written by

controller ASICs

Acquisition board Remove power

source from the

instrument for at least

20 seconds.

Remove

acquisition

board and either

securely store it

or destroy it.

SDRAM

16 M X 16

Acquisition

memory for storing

acquired data

No Written by

controller ASICs

Acquisition board Remove power

source from the

instrument for at least

20 seconds.

Remove

acquisition

board and either

securely store it

or destroy it.

ASIC

16 K

Processor

execution memory

No Written by ASICs Acquisition board Remove power

source from the

instrument for at least

20 seconds.

Remove

acquisition

board and either

securely store it

or destroy it.

TLA700/TLA7000 Series Declassiﬁcation and Security Instructions 1

Clear and Sanitize Procedures

Table 1: Volatile memory devices (cont.)

Type and

minimum size Function

User

modiﬁable

Data input

method Location To clear To sanitize

SRAM,

128 K X 8

Firmware

execution code

No Written by the

processor system

LPU board Remove power

source from the

instrument for at least

20 seconds.

Remove LPU

board and either

securely store it

or destroy it.

IC memory

256 K X 16 bit

Pattern generator

data

No Written by ASICs TLA7PG2 PG board Remove power

source from the

instrument for at least

20 seconds.

Remove PG

board and either

securely store it

or destroy it.

Table 2: Nonvolatile memory devices

Type and

minimum size Function

User

modiﬁable

Data

input

method Location Process to clear To sanitize

FLASH,

2MX8

Stores instrument

ﬁrmware

No Programmed

at the

factory, no

user data

LPU board Load new ﬁrmware

image. See manual.

Remove LPU

board and either

securely store it or

destroy it.

FLASH,

1MX16

Stores instrument

ﬁrmware

No Programmed

at the

factory, no

user data

LPU board Load new ﬁrmware

image. See manual.

Remove LPU

board and either

securely store it or

destroy it.

FLASH,

2MX8

Stores instrument

ﬁrmware

No Programmed

at the

factory, no

user data

Probe Flash Adapter

board

Load new ﬁrmware

image. See manual.

Remove Probe

Flash Adapter

board and either

securely store it or

destroy it.

FLASH,

256 K X 8

Stores instrument

ﬁrmware

No Programmed

at the

factory, no

user data

TLA7Dx & TLA7Ex LPU

board

Load new ﬁrmware

image. See manual.

Remove LPU

board and either

securely store it or

destroy it.

FLASH,

256 K X 8

Stores instrument

ﬁrmware

No Programmed

at the

factory, no

user data

TLA7XM Enhanced

Monitor board

Load new ﬁrmware

image. See manual.

Remove Enhanced

Monitor board and

either securely

store it or destroy

it.

NVRAM,

32KX8

Stores instrument

serial number

and calibration

constants

No Written by

processor

LPU board N/A. No user data stored

in this device.

Remove LPU

board and either

securely store it or

destroy it.

NVRAM,

512 K X 8

Stores instrument

serial number

and calibration

constants

No Written by

processor

TLA7Dx & TLA7Ex LPU

board

N/A. No user data stored

in this device.

Remove LPU

board and either

securely store it or

destroy it.

EPROM

64KX16

Stores instrument

ﬁrmware

No Programmed

at the

factory, no

user data

TLA7XM Enhanced

Monitor board

N/A. No user data stored

in this device.

Remove Enhanced

Monitor board and

either securely

store it or destroy

it.

2 TLA700/TLA7000 Series Declassiﬁcation and Security Instructions

Clear and Sanitize Procedures

Table 2: Nonvolatile memory devices (cont.)

Type and

minimum size Function

User

modiﬁable

Data

input

method Location Process to clear To sanitize

EEPROM

1KX8

Stores instrument

ﬁrmware

No Programmed

at the

factory, no

user data

TLA7XM Enhanced

Monitor board

N/A. No user data stored

in this device.

Remove Enhanced

Monitor board and

either securely

store it or destroy

it.

PROM Stores instrument

ﬁrmware

No Programmed

at the

factory, no

user data

TLA7XM Enhanced

Monitor board

N/A. No user data stored

in this device.

Remove Enhanced

Monitor board and

either securely

store it or destroy

it.

EPROM

2048 X 8

Stores instrument

ﬁrmware

No Programmed

at the

factory, no

user data

TLA7PG2 Clock &

Backplane interface

board, TLA7PG2 PG

board

N/A. No user data stored

in this device.

Remove TLA7PG2

boards and either

securely store

them or destroy

them.

EPROM

512 K X 8, Flash

Stores instrument

ﬁrmware

No Programmed

at the

factory, no

user data

TLA7PG2 Clock &

Backplane interface

board

N/A. No user data stored

in this device.

Remove TLA7PG2

Clock & Backplane

interface board

and either securely

store it or destroy

it.

EPROM

256 K X 16

Stores instrument

ﬁrmware

No Programmed

at the

factory, no

user data

TLA7PG2 Clock &

Backplane interface

board

N/A. No user data stored

in this device.

Remove TLA7PG2

Clock & Backplane

interface board

and either securely

store it or destroy

it.

EPROM

1MX1bit

Stores instrument

ﬁrmware

No Programmed

at the

factory, no

user data

TLA7PG2 PG board N/A. No user data stored

in this device.

Remove TLA7PG2

PG board and

either securely

store it or destroy

it.

EEPROM

256 K X 8

Stores instrument

ﬁrmware

No Programmed

at the

factory, no

user data

LPU board, Acquisition

board

N/A. No user data stored

in this device.

Remove circuit

boards and either

securely store

them or destroy

them.

TLA700/TLA7000 Series Declassiﬁcation and Security Instructions 3

Clear and Sanitize Procedures

Nonvolatile Memory

Security Procedure

User data is not stored in nonvolatile memory. To secure nonvolatile memory,

proceed as follows:

1. To remove the LPU board from the module, refer to the appropriate module

service manual for the remove and replace procedures. (See page iv, Related

Documents.)

2. To remove the Enhanced Monitor board from the TL7XM mainframe, refer to

the TLA721 Benchtop & TLA7XM Expansion Mainframe Service Manual for

the remove and replace procedures. (See page iv, Related Documents.)

3. To remove the TLA7PG2 Clock & Backplane interface board or the

TLA7PG2 PG board, refer to the TLA7PG2 Pattern Generator and Probes

Service Manual for the remove and replace procedures. (See page iv, Related

Documents.)

4. Since there is no way for you to clear nonvolatile memory, either store these

circuit boards in a secure area or destroy them.

4 TLA700/TLA7000 Series Declassiﬁcation and Security Instructions

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