HP 340 User manual

Model 340 Workstation's SPU
Service Manual
HP 9000 Series 300 Computers
Model 340
HP Part Number 98571-90030
FIIOW HEWLETT
a:1!II PACKARD
Hewlett-Packard Company
3404 East Harmony Road, Fort Collins, Colorado 80525

NOTICE
The information contained in this document is sublect to change without notice.
HEWLETT-PACKARD MAKES
NO WARRANTY OF ANY KIND WITH REGARD TO THIS MANUAL, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. Hewlett-Packard shall not be liable for errors contained herein or direct. indirect. special,
incidental or consequential damages
in connection with the furnishing, performance, or use of this material.
WARRANTY
A copy of the specific warranty terms applicable to your Hewlett-Packard product and replacement parts can be obtained from your local Sales and Service Office.
Copyright © Hewlett-Packard Company 1988
This document contains information which is protected by copyright.
All rights are reserved. Reproduction, adaptation, or translation without prior written permission IS
prohibited, except as allowed under the copyright laws.
Restricted Rights Legend
Use, duplication or disclosure by the U.S Government Department of Defense is subject to restrictions
as set forth in paragraph (bX3Xii) of the Rights in Technical Data and
Software clause
in FAR 52.227-7013.
Copyright © AT&T, Inc.
1980,1984
Copyright © The Regents of the University of California 1979, 1980, 1983
This software and documentation is based
in part on the Fourth Berkeley Software Distribution under license from the Regents of the University of California
ii

Printing History
New editions of this manual will incorporate all material updated since the previous edition.
Update packages may be issued between editions and contain replacement and additional pages
to be merged into the manual by the user. Each updated page will be indicated by a revision
date at the bottom of the page. A vertical bar in the margin indicates the changes on each page.
Note
that pages whieh are rearranged due to changes on a previous page are not considered
revised.
The manual printing date and part number indicate its current edition. The printing date
changes when a new edition is printed. (Minor corrections and updates which are incorporated
at reprint do not cause the date to change.) The manual part number changes when extensive
technical changes
are incorporated.
October 1988...Edition 1
November 1988...
Edition 2. (Several part numbers changed and this edition includes the new
part numbers.)
98571~90090, rev: 11/88
Printing History iii

iv Printing History

Notices
Radio Frequency Interference Statements
IFCC Statement
Federal Communications Commission
Radio Frequency Interference Statement
(U.S.A. Only)
The Federal Communications Commission (in Subpart J of Part 15, Docket 20780) has specified that
the following notice be brought to the attention of the users of this product.
Warning: This equipment generates, uses, and can radiate radio frequency energy and if not installed
and used in accordance with the instructions manual, may cause interference to radio communications.
It has been tested and found to comply with the limits for a Class A computing device pursuant to
Subpart J of Part 15 of FCC rules, which are designed to provide reasonable protection against such
interference when operated in a commercial environment. Operation of this equipment in a residential
area
is likely to cause interference in which case the user at his own expense will be required to take
whatever measures may be required to correct the interference.
'VCCI Statement (Japan Only)
Manufacturer'S Declaration (Germany Only)
Herstellerbescheinigung
Hiermit wird bescheinigt, daB dieses Gerat in lJbereinstimmung mit den Bestimmungen der
Postverfiigung 1046/84 funkentstort ist. Der Deutschen Bundespost wurde das Inverkehrbringen dieses
Gerates angezeigt und die Berechtigung zur Uberpriifung der Serie auf Einhaltung der Bestimmungen
eingeraumt.
Notices v

Safety Considerations
WARNINGs, CAUTIONs, and Notes
Warnings, cautions and notes are used throughout this document to alert the user to conditions
of importance. They are used as follows:
• WARNINGS contain information which, if not observed, could result in injury to
personnel or loss of life.
• CAUTIONS contain information which, if not observed, could result in damage to or
destruction of equipment.
• Notes contain information that will assist you in accomplishing the job.
Examples:
vi Notices
WARNING
The power supply presents a hazard to personnel. Extreme care must
be taken when connecting voltmeter probes to the test points. De-
energize the product by turning it off and removing its power cord
before connecting or removing test probes.
ICAUTION I
The printed circuit assenlblies in this product are susceptible to damage
by electro-static discharge. Extrenle care must be taken when handling
printed circuit assemblies. Use an Anti-static Workstation while
handling printed circuit assemblies.
Note
Hewlett-Packard supports repair of this product only to the assembly
level.
The fault is diagnosed to the assembly that is causing the
problem. That assembly is then replaced with a new or rebuilt one.

Service Information Locator
On the next page is a Service Information Locator. First, find the information to reference
in
the left-hand column. Next, move to the right to a chapter number. Last, move up to the
abbreviated lnanual title that has the information documented.
Chapter identifiers in the Locator use the following codes:
Chapter Nurnber: Numbers, such as
2. Inclusive chapters, such as 4-6.
Letters, such as A for Appendix A.Appendices:
Entire Manual: All
Varies: * (Check Table
of Contents or Index.)
M:anuals identified in
this locator are abbreviated by their initials:
Initials Manual Title Part Number
81M Model 340 Workstation's
SPU Service Information Manual 98571-90030
SHB Model 340 Workstation's SPU Service Handbook 98.571-90039
TTM Series 200/300 Test Tools Manual 09800-90011
SPM HP 9000 Site Preparation Manual 09000-90041
PIN Product Installation Note
TDS Series 300 Technical Data Sheet/Price List
Video/Graphics Boards Information
These boards have service information located in other manuals identified in the following table.
Workstation
Model Part Number Title
340SRX 98720-·90030 HP 98720A Graphics Display Station Hardware Support Document
340CH 98550-·90000 HP 98550A Graphics Interface Familiarization Guide
98556-·90000 HP 98556A 2D Graphics Interface Familiarization Guide
340C+ 98549-90000
HP 98549A Graphics Interface Familiarization Guide
340MH 98548-·90000
HP 98548A Familiarization Guide
340M 98562-·90030 Model 330/350 Service Information Manual
Notices vii

Model 340 Workstation's SPU Service Information Locator
Service Information SIM SHB TTM
SPM
PIN TDS
Assembly replacement 2
Block diagrams 1-3 9
Booting Operating Systems 4
Computer tests
1, 5 2
1,2,3
Configurations 1,3 3 1,2 All
CS/80 tests
1, 5 5 4
Electrical requirements 1 1 3, A *
Environmental requirements 1 2
4, A *
Functional descriptions 3
HP-HIL device tests
2, 3
Installation
2 2 All All
I/O Bus architecture
1,3
Monitors 1 3 A *
People who can help 1
Options / Accessories
1,3
3 All *
Ord(\ring spare parts
6 8
Part numbers 6 8
Peripherals 1 3 *
Preventive maintenance 2
Product information
1 1 All All All
Product numbers
1 1,3 A All
Reference material
7 10 All
Repair Philosophy 1 1
Self-tests 4, 5 5
1,2
Service notes 1
11
Site preparation 2 All
System Functional Tests
1, 5 5
1,3
Systems
1 3 *
TrOll bleshooting 5 4 3
Turn-on
3, 4 4, 5
viii Notices

Table of Contents
Chapter 1:: Product Information
Introcluctiorl. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 1
VVorkstation Configurations .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 1
DIO-I Accessory Cards Supported ......................................... " :~
SPU Physical Identification ................................................ 4
SPU l-Iard ware ................................................................ 5
P'ower SUf>ply ............................................................ 5
Processor Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 5
Bus Architecture. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 5
l\1elnory .................................................................. 6
Video/Graphics Boards .................................................... 6
Illterfaces .. " ............................................................. 6
!(ey l)oard .. ". . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 6
Operating Systemls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 7
I-J[P-UX , ... " ............................................................. 7
E:ASIC 5.2 . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 7
Product Identification ......................................................... 7
Serial Nurnbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 7
Hardware Ternlinology .................................................... 8
Software Tenninology ..................................................... 8
Hardware Support Docunlentation ..... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 9
Service Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 10
Service
Handbook ........................................................ 10
Test Tools Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 11
Service Notes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 11
Installation Notes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 11
Series 300 Configuration Reference Manual. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 12
Site Preparation Manual. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 13
Installation Reference .................................................... 14
Technical Information ........................................................ 1.5
E:lectrieal ..... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 15
Enviromnental. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 15
Electronlagnetic Interference .............................................. 1.5
Regulatory Requirements .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 15
F'hysical ................................................................ 16
Processor Board ......................................................... 16
~1:emory ................................................................ 17
I/C)
Bus ................................................................ 17
\Tideo
.................................................................. 17
Shipping Infornlation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 17
HP-HIL Accessories ...................................................... 18
Table of Contents ix

Hewlett-Packard Support ..................................................... 19
Repair Philosophy ....................................................... 19
HP Repair Services. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 19
Repair by Customers ................................................... " 19
Operating Systenls Support ............................................. " 20
Chapter 2: Assembly Replacement
Introduction ............................................................... " 21
Tools Required .......................................................... 21
Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 22
Electrical ............................................................... 22
Electro-Static Discharge .................................................. 22
Mechanical ............................................................ " 23
Helpful Hints. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 23
RenlOval Sequences ..................................................... " 23
Reference Diagram ..................................................... " 25
Proced ures ................................................................ " 28
Overview ............................................................... 28
DIO-1 Accessory Cards ................................................... 28
Case ................................................................... 29
Case or Front Panel Replacenlent ........................................ " 30
Fuse .................................................................... 31
Rear Panel ............................................................ " 31
Power Supply ........................................................... 32
Video/Graphics Boards ................................................... 34
LGn Interface Board ..................................................... 36
R,AM Boards .......................................................... " 37
DIO-I Slot ............................................................ " 38
SPU Backplane ........................................................ " 39
ThinLAN Board ....................................................... " 40
AUI LAN
Board ....................................................... " 41
Processor Board ....................................................... " 41
Chapter 3: Functional Description
Hardware Overview ... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 43
Processor Board ....................................................... " 43
Meillory ................................................................ 43
Video/ Graphics ........................................................ " 44
System Interfaces ...................................................... " 44
Power Supply ............................................................... 45
Processor Board ............................................................. 47
Overview
........................................... "................... 47
Central Processing Unit .............................. ' .................. " 47
Co- Processor ........................................................... " 49
Boot ROMs and Self-Test LEDs ... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 49
I/O BllS .............................................................. " 49
Direct Memory Addressing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 49
Processor Board Interfaces .............................................. " 50
x Table of Contents