HP Model 748 - VME Workstation Bedienungsanleitung

Service Handbook

Model 748

HP Part No. A4511-90605

Edition E1199

Special Online Edition

Printed in U.S.A.

Hewlett-Packard Co. 1997, 1999

Printing History

First Printing: February 1997

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

Product Description 1-2

Rack Mounting Configurations 1-5

Memory 1-5

Mass Storage 1-5

System Graphics 1-6

System Board Graphics 1-6

GSC Mezzanine (Expansion Kit) Slot 1-6

PMC Expansion 1-6

Built-In Interfaces 1-6

Model 744 System Board Interfaces 1-7

Hardware Architecture 1-10

Operating Systems 1-10

HP-UX 1-10

Product Identification 1-12

Technical Information 1-13

Support 1-14

Hardware Support 1-15

Field Repair Philosophy 1-15

2 Environmental/Installation/PM

Overview 2-2

Environmental Specifications 2-3

Regulatory Requirements 2-4

Installation 2-5

Contents

Preventive Maintenance 2-6

3 Configuration

Power Budgeting 3-2

Devices 3-2

Determining the Workstation’s Power Needs 3-3

4 Troubleshooting

Introduction to Troubleshooting 4-2

Diagnostic Philosophy 4-2

Analytic Troubleshooting 4-2

Diagnostic Overview 4-3

Diagnostic Documentation 4-3

Board Computer Troubleshooting 4-4

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 5-4

Replaceable Parts 5-4

Mass Storage Module Parts 5-5

EISA and PCI Module Parts 5-9

Chassis and Power Supply Parts 5-11

Contents

vii

VME Module 5-13

Model 743/744 VMEbus Board Computer Parts 5-14

Removing and Replacing Mass Storage Devices 5-15

Section Contents 5-15

Introduction 5-15

Preliminary Requirements 5-15

Removing Mass Storage Module 5-16

Procedure 5-16

Selecting Device Address 5-17

Procedure 5-17

CD-ROM 5-18

Floppy Disk Drive 5-20

DDS Tape Drive 5-21

Hard Disk Drive Address Selection 5-23

Device Locations in Tray 5-23

Mass Storage Device Removal 5-28

Procedure 5-28

Power & SCSI cables 5-28

Retaining screws 5-28

Device removal 5-28

EISA or PCI Module Removal 5-29

Preliminary Requirements 5-29

Procedure 5-29

EISA / PCI Converter Board and Backplane Removal 5-30

VME Module Removal 5-31

Preliminary Requirements 5-31

Procedure to remove VME Module 5-32

VME Backplane Removal 5-33

Power Supply and Chassis Parts Replacement 5-34

Contents

viii

Preliminary Requirements 5-34

Power Supply Removal 5-35

Power Switch Assembly 5-36

Power Distribution PCA 5-37

6 Diagrams

Functional Description of Model 748 Chassis 6-2

7 Reference Documentation

Service Documentation 7-2

System Installation and Getting Started

Documentation 7-4

8 ServiceNotes

Contents

Figures

Model 748 Ruggedized Workstation 1-3

I/O Connector Panel 1-7

Serial Number Information 1-12

Model 744 Memory Slots 3-4

Model 748 Exploded View 5-4

SE Mass Storage Module Parts 5-5

FWD Mass Storage Module Parts 5-7

EISA and PCI Module Parts 5-9

Chassis and Power Supply Parts 5-11

VME Module Parts 5-13

Mass Storage Tray Removal 5-16

Early Model CD-ROM Disk Drive 5-18

Later Model CD-ROM Disk Drive 5-19

Floppy Disk Drive 5-20

DDS Tape Drive Address Selection 5-21

Later Model DDS Tape Drive Address Selection 5-22

Device Locations 1 of 4 5-23

Device Locations 2 of 4 5-24

Device Locations 3 of 4 5-25

Device Locations 4 of 4 5-26

FWD Device Locations 5-27

Mass Storage Device Removal 5-28

Tray Removal 5-29

EISA/PCI Converter Board and Backplane Removal 5-30

Magnified View of Power Switch Tabs 5-36

Removing Power Distribution PCA from the Wall 5-37

Center Wall Removal 5-38

Power Distribution PCA Removal from Chassis 5-39

Functional Block Diagram 6-2

Contents

Tables

Model 748 Ruggedized Workstation Features 1-4

Supported Monitors for Model 748 1-6

Supported PMC Graphics Upgrades 1-6

Supported AUI LAN Adapters and Devices 1-9

Supported 700/RX Family X-Terminals 1-9

HP-UX Operating Systems and Languages 1-11

Electrical Information 1-13

Physical Information 1-14

EISA, PCI, and VME Slot Power Availability 1-14

Environmental Information 2-3

Regulatory Information 2-4

Model 744/132L Memory Card Current Usage Work-

sheet 3-4

Model 744/165L Memory Card Current Usage Work-

sheet 3-5

Model 744 Current Requirements Worksheet 3-7

Model 743 Current Requirements Worksheet 3-8

Internal Device Current Requirements 3-9

Upper Power Supply Current Budgeting Worksheet 3-10

Lower Power Supply Current Budgeting Worksheet 3-11

Diagnostic Documentation 4-4

Model 748 SE Mass Storage Module Parts List 5-6

Model 748 FWD Mass Storage Module Parts List 5-8

Model 748 EISA and PCI Module Parts List 5-10

Model 748 Chassis and Power Supply Parts List 5-12

Model 748 VME Module Parts List 5-14

Default SCSI Addressing 5-17

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