HP Model 745 - VME Workstation User manual

Service Handbook
Model 745
HP Part No. A4964-90602
Edition E1199
Special Online Edition
Printed in U.S.A.

ii
Hewlett-Packard Co. 1999
Printing History
First Printing: April 1999
Latest Printing: November 1999
UNIX is a registered trademark of The Open Group.
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tained herein or for incidental or consequential damages in connec-
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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
iv
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
v
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
vi
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
ix
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-
25
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
x
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