Keysight Technologies X Series Installation and operation manual

Notice: This document contains references to Agilent.

Please note that Agilent’s Test and Measurement business

has become Keysight Technologies. For more information,

go towww.keysight.com.

Keysight X-Series Signal Analyzers

PC6 and PC7 CPU

Replacement Procedure

Installation Note

Notices

The information contained in this document is subject to change without notice.

Keysight Technologies makes no warranty of any kind with regard to this material, including but

not limited to, the implied warranties of merchantability and fitness for a particular purpose.

Keysight Technologies shall not be liable for errors contained herein or for incidental or

consequential damages in connection with the furnishing, performance, or use of this material.

Manual Part Number

N9020-90248

Edition

Edition 1, May 2020

Supersedes: June 2015

Printed in USA/Malaysia

Published by:

Keysight Technologies, Inc.

1400 Fountaingrove Parkway

Santa Rosa, CA 95403

Installation Note N9020-90248 3

PC6 and PC7 CPU Replacement Kit

CPU Replacement Procedure

This installation note explains how to replace either a defective quad-core high performance CPU

(PC6) with a new quad-core high performance CPU, or a defective dual-core Celeron CPU (PC7)

with a new dual-core Celeron CPU. The replacement CPU in this kit contains a flash memory chip

on the CPU assembly used to store (back up) calibration data. This memory chip was added to the

existing PC6 or PC7 CPU and the memory can only be accessed with instrument software A.25.08

or greater.

When this latest replacement CPU has software A.25.08 or later loaded on the Solid State Drive,

the instrument Show System screen will show either N90xxA/B-PC6S or N90xxA/B-PC7S, where

the "S" designates "secure" memory. You will need to follow the backup process in this installation

note to backup the calibration data from the SSD to the flash memory.

When this latest CPU has software earlier than A.25.08 loaded on the SSD, the instrument Show

System screen will show either N90xxA/B-PC6 or N90xxA/B-PC7.

The CPU performance has not changed. The new CPU only has the memory chip added which is

accessed with the newer software revision.

To maintain backwards compatible, the CPU assembly also has the removable SD memory card

that previous PC6 or PC7 CPUs have. The SD card does show up in File Explorer, and can be written

to by the end user. This caused concern with our customers concerned about security. The

presence of the Flash memory chip cannot be seen, and can only be written to by the Keysight

factory or service center software or the instrument's internal Backup and Restore tool.

Products Affected: EXA N9010A/B

MXA N9020A/B

PXA N9030A/B

MXE N9038A

UXA N9040B/N9041B

PXE N9048B

Serial Numbers: All

To Be Performed By: (X) Keysight Service Center

(X) Personnel Qualified by Keysight

(X) Customer

Estimated Installation Time:

Estimated Adjustment and Verification Time:

0.5 Hours

1 Hour

This kit is not intended to be used to upgrade an X-Series Signal Analyzer from either a

single-core or duo-core CPU to the quad-core high performance CPU, or from a single-core or

Celeron CPU to a dual-core Celeron CPU.

4Installation Note N9020-90248

PC6 and PC7 CPU Replacement Kit

Contents

PC6 CPU Replacement Kit

PC7 CPU Replacement Kit

Tools Required

—TorxDriverT-10

—USBKeyboard

—USBMouse

Quantity Description

1 Installation Note

1 Quad-Core High Performance CPU (without disk drive)

Quantity Description

1 Installation Note

1 Dual-Core Celeron CPU (without disk drive)

Installation Note N9020-90248 5

PC6 and PC7 CPU Replacement Kit

Installation Procedure

1. Refer to Figure 1. Locate and remove the disk drive tray assembly (2) from the instrument by

loosening the drive tray retaining screw (1) and pulling the assembly out by the handle on the

drive tray rear panel.

Set the drive aside in a safe location for replacement later in this procedure.

Figure 1 Removing the Disk Drive Tray Assembly

Electrostatic discharge (ESD) can damage or destroy electronic components. All work on

electronic assemblies should be performed at a static-safe workstation. Refer to the

documentation that pertains to your instrument for information about static-safe workstations

and ordering static-safe accessories.

6Installation Note N9020-90248

PC6 and PC7 CPU Replacement Kit

2. Refer to Figure 2. Locate and remove the existing CPU assembly from the instrument by

removing the 6 rear panel screws (1). The CPU assembly can be removed from the chassis by

pulling straight out the back. Use the two extractors to pull the CPU assembly out from the

chassis.

Figure 2 Removing the CPU Assembly

3. Verify the part number of the CPU assembly that has been removed from the instrument. The

part number label will be either on the bottom nearest the GPIB connector or on the rear panel

below the USB connectors (ignore the part number label near the opening for the removable

disk drive). Do not proceed with this replacement if the part number of the CPU is one of the

following:

—W1312-60068

—W1312-60072

—W1312-60190

—W1312-60191

—W1312-60196

—W1312-60197

Installation Note N9020-90248 7

PC6 and PC7 CPU Replacement Kit

4. If the part number of the CPU assembly that has been removed is one of those listed in step 3,

the disk drive removed from the assembly cannot be used with the CPU assembly included in

this kit.

5. If the part number of the CPU assembly that has been removed is not one of those listed in

step 3, continue with this procedure.

6. Look for a removable SD memory card in a socket located just in front of the disk drive

connector. If no SD card is installed on the faulty CPU board; then remove the SD card from

the replacement CPU assembly.

7. See Figure 2. Install the replacement CPU assembly in the instrument with 6 screws (1).

Torque to 9 in-lbs.

8. See Figure 1. Reinstall the disk drive tray assembly (2) and torque the attaching screw (1) to

9 in-lbs.

8Installation Note N9020-90248

PC6 and PC7 CPU Replacement Kit

BIOS Settings

As with other types of PC processor assemblies the A4 Processor assembly has a number of

settings particular to the hardware on the board assembly. These settings are saved in a separate

memory location on the board and accessed by the BIOS (Basic Input Output System) Setup Utility.

If these settings are changed from those that the instrument was initially shipped with this could

cause a problem with the booting and/or functionality of the instrument.

If the instrument is having a problem booting up, but is functional enough to enter the BIOS Setup

Utility you will want to verify that the BIOS settings have not been changed.

Accessing BIOS Setup Utility

To easily navigate the BIOS Setup Utility you will want to have an external USB keyboard connected

to the instrument. Then, when the initial Keysight Technologies splash screen is displayed at

power-up, press the key on the keyboard specified on the initial boot screen (typically the DEL key).

Once this is pressed you will see the main BIOS Setup Utility screen.

Load Defaults

The instrument was originally shipped from the factory with all of the BIOS settings in their default

position. If these have been changed for some reason they can all be returned to their default

position by navigating to the Save & Exit screen and select Restore Defaults. Once the defaults

have been loaded select Save Changes and Exit.

Installation Note N9020-90248 9

PC6 and PC7 CPU Replacement Kit

Functional Check and Time/Date Reset

1. Turn the instrument on.

2. Verify that Operating System can be found and that the Keysight Measurement Application

starts up.

3. Press System, Show System and look under Options and determine which CPU the instrument

software finds. Either N90xxA/B-PC6 or PC7 or N90xxA/B-PC6S or PC7S.

4. Navigate to the Control Panel. Select Clock, Language and Region. Click Set the time and

date. Change date and time, and change time zone.

5. The next step is to back up the calibration data from the instrument's SSD to the internal flash

memory chip if the CPU is PC6S or PC7S, and also back up to the removable SD memory card

since you cannot be sure if the customer relied on the SD card containing the backup or not.

Not all earlier CPUs contained the SD card, and most security conscious customers remove the

SD card. Therefore you must check the original (faulty) CPU assembly and see if it has an SD

card or not. If it does not, remove the SD card from the new replacement CPU.

10 Installation Note N9020-90248

PC6 and PC7 CPU Replacement Kit

Data Backup Using Alignment Wizard

The Alignment Data Wizard is launched directly from the instrument application software interface,

so you do not need to exit the application software before proceeding.

Follow the steps below to start the wizard:

1. Plug the mouse’s USB cable into one of the instrument’s USB ports.

2. Plug the USB keyboard into another of the instrument’s USB ports.

3. Press System > Alignments > Backup or Restore Align Data...

4. If you are prompted to enter the Administrator password, enter either Keysight4u!, or

agilent4u, depending on your instrument’s software version.

5. When prompted, press OK to close the analyzer program.

6. The Alignment Data Wizard dialog appears, as shown in Figure 3.

Figure 3 Alignment Data Wizard

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