HP Model 745 - VME Workstation Manuale utente

Service Handbook

Model 745

HP Part No. A4964-90602

Edition E1199

Special Online Edition

Printed in U.S.A.

Hewlett-Packard Co. 1999

Printing History

First Printing: April 1999

Latest Printing: November 1999

UNIX is a registered trademark of The Open Group.

NOTICE

The information contained in this document is subject to change

without notice.

HEWLETT-PACKARD 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. Hewlett-Packard shall not be liable for errors con-

tained herein or for incidental or consequential damages in connec-

tion with the furnishing, performance or use of this material.

Hewlett-Packard assumes no responsibility for the use or reliabil-

ity of its software on equipment that is not furnished by Hewlett-

Packard.

This document contains proprietary information that is protected

photocopied, reproduced or translated to another language without

the prior written consent of Hewlett-Packard Company.

RESTRICTED RIGHTS LEGEND. Use, duplication, or disclo-

sure by government is subject to restrictions as set forth in subdivi-

sion (c) (1) (ii) of the Rights in Technical Data and Computer

Software Clause at DFARS 252.227.7013. Hewlett-Packard Co.,

3000 Hanover St., Palo Alto, CA 94304.

10 9 8 7 6 5 4 3 2 1

Safety and Regulatory Statements

iii

Safety and Regulatory Statements

Safety

See the owner’s guide that came with your system for safety infor-

mation.

Regulatory Statements

Emissions Regulations

Federal Communications Commission (FCC) The Federal

Communications Commission of the U.S. government regulates

the radio frequency energy emanated by computing devices

through published regulations. These regulations specify the limits

of radio frequency emission to protect radio and television recep-

tion. All HP nodes and peripherals have been tested and comply

with these limits. The FCC regulations also require that computing

devices used in the U.S. display the agency’s label and that the

related documentation include the following statement:

NOTE: This equipment has been tested and found to comply with the limits

for a Class A digital device, pursuant to part 15 of the FCC Rules.

These limits are designed to provide reasonable protection against

harmful interference when the equipment is operated in a

commercial environment. This equipment generates, uses, and can

radiate radio frequency energy and, if not installed and used in

accordance with the instruction manual, may cause harmful

interference to radio communications. Operation of this equipment

in a residential area is likely to cause harmful interference in which

case the user will be required to correct the interference at his own

expense.

Canadian Department of Communications (CDC) This digi-

tal apparatus does not exceed the Class A limits for radio noise

emissions from digital apparatusas set out in theRadio Interference

Requirements of the Canadian Department of Communications.

Emissions Regulations Compliance Any third-party I/O device

installed in HP system(s) must be in accordance with the require-

ments set forth in the preceding Emissions Regulations statements.

Safety and Regulatory Statements

In the event that a third-party noncompliant I/O device is installed,

the customer assumes all responsibility and liability arising there-

from.

Electrostatic Discharge (ESD) Precautions Electrostatic

charges can damage the integrated circuits on printed circuit

boards. To prevent such damage from occurring, observe the fol-

lowing precautions during board unpacking and installation:

• Stand on a static-free mat.

• Wear a static strap to ensure that any accumulated elec-

trostatic charge is discharged from your body to ground.

• Connect all equipment together, including the static-free

mat, static strap, routing nodes, and peripheral units.

• Keepuninstalledprintedcircuit boardsintheirprotective

antistatic bags.

• Handle printed circuit boards by their edges, once you

have removed them from their protective antistatic bags.

Contents

1 Product Information

The Model 745 Industrial Controller 1-3

Features 1-5

Typical External Devices 1-6

Physical Dimensions and Power Requirements 1-7

Board Computer Configurations 1-8

Cables 1-9

Operating System Overview 1-10

Manuals for System Information 1-11

HP-UX 1-11

HP VUE 1-11

HP CDE 1-11

Online Sources of Information 1-12

Audio 1-13

Product Identification 1-14

Support 1-14

Hardware Support 1-14

Field Repair Philosophy 1-14

Contents

2 Environmental/Installation/PM

Overview 2-2

Environmental Specifications 2-3

Regulatory Requirements 2-4

Installation 2-5

Preventive Maintenance 2-6

3 Configuration

Boot Console User Interface Features 3-2

Main Menu 3-3

Configuration Menu 3-4

Information Menu 3-5

Service Menu 3-6

Accessing the Boot Console Interface 3-7

Booting Your Workstation 3-9

Searching for Bootable Media 3-11

Restoring the Factory Default Configuration 3-12

Displaying and Setting Paths 3-13

Displaying and Setting the Monitor Type 3-16

The Monitor Command 3-16

Contents

vii

Displaying the Current Monitor Configuration 3-17

Setting the Monitor Type 3-18

Setting the Monitor Type at Power On 3-20

Using the Emergency Interactive Console Search 3-21

Displaying the Current Memory Configuration 3-23

Memory Information Example 3-23

Displaying the Status of the System I/O 3-25

Setting the Auto Boot and Auto Search and Auto Start

Flags 3-26

Displaying and Setting the Security Mode 3-28

Displaying and Setting the Fastboot Mode 3-29

Displaying the LAN Station Address 3-30

Displaying System Information 3-31

Displaying PIM Information 3-32

Power Budgeting 3-33

4 Troubleshooting

Dealing with a Boot Failure 4-2

Searching for Bootable Media 4-4

Stable Storage 4-4

Boot Command Notations 4-5

ISL Environment 4-6

Contents

viii

Firmware Selftest Failures 4-7

Interpreting the Front Panel LEDs 4-7

Interpreting the Diagnostic Chassis Codes 4-9

Running ODE-Based Diagnostics 4-21

Running System Verification Tests 4-23

Dealing with HPMC

(Uncorrectable Error) 4-25

HPMC Caused by a Data Cache

Parity Error 4-28

HPMC Caused by a Multi-Bit Memory

Parity Error 4-29

Interpreting the Table 4-29

Determining the Faulty Memory Card 4-30

5 Field Replaceable Units

Introduction 5-2

Tools Required 5-2

Safety Precautions 5-2

New Parts 5-3

Exchange Parts 5-3

Local Hewlett-Packard Sales & Service Office 5-3

Replaceable Parts 5-4

Model 744 Board Computer Parts 5-7

Removing and Replacing the Model 744 Board Com-

puter 5-9

Preliminary Requirements 5-9

Contents

Removal 5-10

Replacement 5-10

Removing and Replacing RAM Cards 5-12

Preliminary Requirements 5-12

Removal 5-12

Replacement 5-13

Removing and Replacing the PMC Adapters 5-14

Preliminary Requirements 5-14

Removal and Replacement 5-14

Removing and Replacing the Front Panel 5-21

Preliminary Requirements 5-21

Removal and Replacement 5-22

Firmware ICs 5-23

Description 5-23

Removing and Replacing the Real-Time Clock Battery

5-24

Preliminary Requirements 5-24

Removal 5-24

Replacement 5-24

Removing the Top Cover, Front Bezel, and Mid-Tray 5-

Preliminary Requirements 5-25

Replacing Mass Storage Devices 5-29

Procedure 5-29

Selecting Device Address 5-29

Procedure 5-29

CD-ROM 5-30

Contents

Floppy Disk Drive 5-31

DDS Tape Drive 5-32

Hard Disk Drive Address Selection 5-33

Device Locations 5-33

Removing a Device from the Mass Storage Carriers 5-34

Installing a Device in a Mass Storage Carrier 5-35

EISA or PCI Backplane Replacement 5-40

Preliminary Requirements 5-40

Procedure 5-40

Power Supply Replacement 5-42

Preliminary Requirements 5-42

Power Supply Removal 5-42

System Backplane Replacement 5-45

Preliminary Requirements 5-45

System Backplane Removal 5-46

Fuse Replacement 5-47

Preliminary Requirements 5-47

Rear Fan Replacement 5-48

Front Fans Replacement 5-50

Preliminary Requirements 5-50

6 Diagrams

Functional Description of Model 745 Chassis 6-2

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