Sun Microsystems Ultra 1 140 User manual

MARQUETTE
A PART OF THE
UNITY
NETWORK
service manual
PN 408287-051 Revision A
Sun Ultra 1 Series

T-2
12SL, 15SL, AccuSpeak, ADVANTAGE, BAM, BODYTRODE, Cardiomatic, CardioSpeak, CardioWindow, CD
TELEMETRY®-LAN, CENTRALSCOPE, Corolation, Corometrics Sensor Tip, DASH, EDIC, HI-RES, IMAGE
VAULT, IMPACT.wf, INTELLIMOTION, INTER-LEAD, IQA, LIFEWATCH, MARQUETTE MEDICAL SYSTEMS,
MARQUETTE® RESPONDER, MENTOR, MicroSmart, MMS, MRT, MUSE CardioWindow, O2 SENSOR, OMRS,
Premium, RAC, SILVERTRACE, SMART-PAC, SMARTLOOK, SOLARVIEW, Spectra-Overview, Trimline, UNITY,
and Universal are trademarks of Marquette Medical Systems, Inc.
ã
Copyright Marquette Medical Systems, Inc. 1998. All rights reserved.
ACCUSKETCH, AccuVision, APEX, AQUA-KNOT, ARCHIVIST, Autoseq, BABY MAC, CardioServ, CardioSmart,
CardioSys, CASE, CD TELEMETRY, CENTRA, CHART GUARD, CINE 35, CORO, COROMETRICS, CRG PLUS,
Digistore, Digital DATAQ, E for M, EAGLE, Event-Link, HELLIGE, IMAGE STORE, LASER SXP, MAC, MAC-LAB,
MACTRODE, MARQUETTE, MARQUETTE MAC, MARQUETTE UNITY NETWORK, MARS, MAX, MEDITEL, MEI,
MEI in the circle logo, MEMOPORT, MEMOPORT C, MINISTORE, MINNOWS, Monarch 8000, MULTI-LINK,
MULTISCRIPTOR, MUSE, MUSE CV, Neo-Trak, NEUROSCRIPT, OnlineABG, OXYMONITOR, Pres-R-Cuff,
PRESSURE-SCRIBE, QMI, QS, Quantitative Medicine, Quantitative Sentinel, Qwik Connect Spiral, RAMS, RSVP,
SAM, SEER, SOLAR, Spectra 400, Spectra-Tel, ST GUARD, TRAM, TRAM-NET, TRAM-RAC, TRAMSCOPE, TRIM
KNOB, UNITY logo, UNITY NETWORK, Vari-X, Vari-X Cardiomatic, VariCath, VAS, and Vision Care Filter are
trademarks of Marquette Medical Systems, Inc., registered in the United States Patent and Trademark Office.
Trademarked names appear throughout this document. Rather than list the names and entities that own the
trademarks or insert a trademark symbol with each mention of the trademarked name, the publisher states that
it is using the names only for editorial purposes and to the benefit of the trademark owner with no intention of
improperly using the trademark.
Revision A
6 March 1998
Sun Ultra 1 Series
408287-051

Sun
™
Ultra
™
1Series
ServiceManual
Part No.: 802-3819-10
Revision A, November 1995
The Network Is the Computer™
Sun Microsystems Computer Company
2550 Garcia Avenue
Mountain View, CA 94043 USA
415 960-1300 fax [phone]

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1995 Sun Microsystems, Inc. 2550 Garcia Avenue, Mountain View, California 94043-1100 U.S.A.
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Sun, Sun Microsystems, the Sun logo, Ultra and Solaris are trademarks or registered trademarks of Sun Microsystems, Inc. in the
United States and other countries. UNIX is a registered trademark in the United States and other countries, exclusively licensed
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The OPEN LOOK®and Sun™ Graphical User Interfaces were developed by Sun Microsystems, Inc. for its users and licensees.
Sun acknowledges the pioneering efforts of Xerox in researching and developing the concept of visual or graphical user
interfaces for the computer industry. Sun holds a non-exclusive license from Xerox to the Xerox Graphical User Interface, which
license also covers Sun’s licensees who implement OPEN LOOK GUI’s and otherwise comply with Sun’s written license
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en a.
Des parties de ce produit pourront être derivées du système UNIX®et du système Berkeley 4.3 BSD licencié par l’Université de
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un copyright et licencié par des fournisseurs de Sun.
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COMPRIS, ET SANS QUE CETTE LISTE NE SOIT LIMITATIVE, DES GARANTIES CONCERNANT LA VALEUR
MARCHANDE, L’APTITUDE DES PRODUITS A REPONDRE A UNE UTILISATION PARTICULIERE OU LE FAIT QU’ILS NE
SOIENT PAS CONTREFAISANTS DE PRODUITS DE TIERS.

RevisionHistory
Revision Dash Date Comments
802-3819 -05 August 1995 Chapter 3 and 4 are to be completed on the next revision.
Some of the illustrations need to be modified. The
comments for the artist are placed next to them. The board
fan is being redesigned at present.
-10 November 1995 FCS

Sun Ultra 1 Series Service Manual—November 1995

vii
Contents
Preface. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvii
Part 1 —System Information
1. Product Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
1.1 System Unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
1.2 System Illustrations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
Part 2 —Troubleshooting
2. SunVTS Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
3. Power-On Self-Test (POST). . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
3.1 How to Start POST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
3.2 Max and Min Levels of POST . . . . . . . . . . . . . . . . . . . . . . . 3-2
3.3 POST Progress and Error Reporting . . . . . . . . . . . . . . . . . 3-3
3.4 Additional Keyboard Control Commands . . . . . . . . . . . . 3-4
3.5 System and Keyboard LEDs . . . . . . . . . . . . . . . . . . . . . . . . 3-4
3.6 Serial Port A POST Output . . . . . . . . . . . . . . . . . . . . . . . . . 3-6
4. Troubleshooting Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1

viii Sun Ultra 1 Series Service Manual—November 1995
4.1 Power On Fails or No Video . . . . . . . . . . . . . . . . . . . . . . . . 4-2
4.2 Power Supply Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
4.3 DSIMM Failures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6
4.4 Hard Disk or CD-ROM Drive . . . . . . . . . . . . . . . . . . . . . . . 4-7
4.5 OpenBoot On-Board Diagnostics . . . . . . . . . . . . . . . . . . . . 4-8
4.6 Selected On-Board Diagnostic Tests. . . . . . . . . . . . . . . . . . 4-12
4.7 The probe-scsi and probe-scsi-all test . . . . . . . . . . . . . . . . 4-13
4.8 System Board Test. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-14
Part 3 —Preparing for Service
5. Safety and Tool Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
5.1 Safety Requirements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
5.2 Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
5.3 Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
5.4 Tools Required . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
6. Power On and Off. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
6.1 Powering Off the System. . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
6.2 Powering On the System . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2
Part 4 —Subassembly Removal and Replacement
7. Internal Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1
7.1 Removing the Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1
7.2 Attaching the Wrist Strap . . . . . . . . . . . . . . . . . . . . . . . . . . 7-3
7.3 Replacing the Cover. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-4
8. Major Subassemblies. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1
8.1 Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-2

Contents ix
8.2 Fan Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-5
8.3 Speaker. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-8
8.4 Diskette Cable. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-12
8.5 SCSI Cable/Backplane. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-16
8.6 Peripheral Power Cable. . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-20
8.7 Speaker/LED Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-25
9. Storage Devices. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-1
9.1 Disk Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-2
9.2 CD-ROM/Tape Drive. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-6
9.3 Diskette Drive. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-11
Part 5 —System Board
10. System Board and Component Replacement. . . . . . . . . . . . . . 10-1
10.1 System Board. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-2
10.2 NVRAM/TOD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-10
10.3 SBus Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-12
10.4 DSIMM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-18
10.5 System Board Fan. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-23
Part 6 —Illustrated Parts Breakdown
11. Replacement Parts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-1
11.1 List of Replacement Parts . . . . . . . . . . . . . . . . . . . . . . . . . . 11-1
Part 7 —Appendixes, Glossary, and Index
A. Product Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1
B. Signal Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-1
C. Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-1

xSun Ultra 1 Series Service Manual—November 1995
Glossary. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Glossary-1
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Index-1

xi
Figures
Figure 1-1 Front View of the System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
Figure 1-2 Rear View of the System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
Figure 1-3 Top View of the System with the Cover Removed. . . . . . . . . . 1-3
Figure 3-1 Power LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4
Figure 3-2 Arrangement of the Sun Type 5-c Keyboard LEDs . . . . . . . . . 3-5
Figure 4-1 Power Supply Connector J2601. . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
Figure 4-2 Power Supply Connector J2603. . . . . . . . . . . . . . . . . . . . . . . . . . 4-5
Figure 6-1 Rear View of the System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2
Figure 7-1 Location of Lock Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1
Figure 7-2 Removing the Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-2
Figure 7-3 Attaching the Wrist Strap. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-3
Figure 7-4 Replacing the Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-4
Figure 8-1 Removing the Power Supply. . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-2
Figure 8-2 Replacing the Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-3
Figure 8-3 Securing and Connecting the Power Supply. . . . . . . . . . . . . . . 8-4
Figure 8-4 Fan and Power Cable Connection. . . . . . . . . . . . . . . . . . . . . . . . 8-5

xii Sun Ultra 1 Series Service Manual—November 1995
Figure 8-5 Fan Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-6
Figure 8-6 Replacing the Fan Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-7
Figure 8-7 Fan and Speaker Cable Connection . . . . . . . . . . . . . . . . . . . . . . 8-8
Figure 8-8 Removing the Fan/Speaker Bracket from the Chassis . . . . . . 8-9
Figure 8-9 Removing the Speaker from the Fan/Speaker Bracket . . . . . . 8-10
Figure 8-10 Replacing the Fan/Speaker Bracket into the Chassis. . . . . . . . 8-11
Figure 8-11 Removing the Drive Bracket . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-12
Figure 8-12 Diskette Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-13
Figure 8-13 Replacing the Drive Bracket. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-15
Figure 8-14 SCSI/Backplane Cable Connection. . . . . . . . . . . . . . . . . . . . . . . 8-17
Figure 8-15 Removing the SCSI Backplane. . . . . . . . . . . . . . . . . . . . . . . . . . . 8-18
Figure 8-16 Replacing the SCSI Backplane . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-19
Figure 8-17 Removing the Drive Bracket . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-20
Figure 8-18 Removing the Peripheral Power Cable . . . . . . . . . . . . . . . . . . . 8-21
Figure 8-19 Peripheral Power Cable Routing on the SCSI Backplane . . . . 8-22
Figure 8-20 Replacing the Peripheral Power Cable. . . . . . . . . . . . . . . . . . . . 8-23
Figure 8-21 Replacing the Drive Bracket. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-24
Figure 8-22 Removing the Drive Bracket . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-25
Figure 8-23 Placing the Bracket on Top of the Disk Drive . . . . . . . . . . . . . . 8-26
Figure 8-24 Removing/Replacing the Speaker /LED Cable from the Chassis 8-
27
Figure 8-25 Speaker Cable Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-28
Figure 8-26 Speaker Connector on the System Board. . . . . . . . . . . . . . . . . . 8-29
Figure 8-27 Replacing the Bracket to the Chassis . . . . . . . . . . . . . . . . . . . . . 8-31
Figure 9-1 EMI Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-2
Figure 9-2 Removing the Disk Drive. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-3

Figures xiii
Figure 9-3 Replacing the Disk Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-4
Figure 9-4 Replacing the EMI Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-5
Figure 9-5 Drive Bracket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-6
Figure 9-6 Placing the Drive Bracket on Top of the Disk Drive . . . . . . . . 9-7
Figure 9-7 Positioning the CD-ROM/Tape Drive . . . . . . . . . . . . . . . . . . . . 9-8
Figure 9-8 Connecting the Cables from the CD-ROM/Tape and Diskette
Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-9
Figure 9-9 Positioning the Drive Bracket in the Chassis. . . . . . . . . . . . . . . 9-10
Figure 9-10 Positioning the Diskette Drive. . . . . . . . . . . . . . . . . . . . . . . . . . . 9-11
Figure 9-11 Positioning the Diskette Drive. . . . . . . . . . . . . . . . . . . . . . . . . . . 9-12
Figure 10-1 Disconnecting Connectors from the System Board . . . . . . . . . 10-3
Figure 10-2 Speaker/LED Connector on the System Board. . . . . . . . . . . . . 10-4
Figure 10-3 Captive Screws on the Back Panel . . . . . . . . . . . . . . . . . . . . . . . 10-4
Figure 10-4 Sliding the System Board Out of the Chassis . . . . . . . . . . . . . . 10-5
Figure 10-5 Removing SBus Filler Panels from the Back Panel. . . . . . . . . . 10-6
Figure 10-6 Sliding the System Board Into The Chassis . . . . . . . . . . . . . . . . 10-7
Figure 10-7 Location of the Serial Port Jumpers . . . . . . . . . . . . . . . . . . . . . . 10-8
Figure 10-8 Identifying Jumper Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-9
Figure 10-9 NVRAM/TOD. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-10
Figure 10-10 SBus Slots Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-12
Figure 10-11 Removing an SBus Card from Slot 0 or 1. . . . . . . . . . . . . . . . . . 10-13
Figure 10-12 Removing an SBus Card from Slot 2. . . . . . . . . . . . . . . . . . . . . . 10-14
Figure 10-13 Removing the SBus Card Extractor. . . . . . . . . . . . . . . . . . . . . . . 10-15
Figure 10-14 Replacing the SBus Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-16
Figure 10-15 Lock in the SBus Card Retainers, SBus Slots 0 or 1 . . . . . . . . . 10-17
Figure 10-16 Lock in the SBus Card Retainer, SBus Slot 2 . . . . . . . . . . . . . . . 10-18

xiv Sun Ultra 1 Series Service Manual—November 1995
Figure 10-17 Removing a DSIMM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-20
Figure 10-18 DSIMM Ejection Lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-21
Figure 10-19 Replacing a DSIMM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-22
Figure 10-20 Plastic Cover for the Board Fan. . . . . . . . . . . . . . . . . . . . . . . . . . 10-23
Figure 10-21 Board Fan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-24
Figure B-1 Keyboard/Mouse Connector. . . . . . . . . . . . . . . . . . . . . . . . . . . . B-1
Figure B-2 Serial Ports A and B Connector . . . . . . . . . . . . . . . . . . . . . . . . . . B-2
Figure B-3 AUI Connector. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-3
Figure B-4 TPE Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-4
Figure B-5 SCSI Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-5
Figure B-6 Audio Ports Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-7
Figure B-7 Parallel Port Connector. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-8
Figure C-1 Sun Ultra 1 Series System Block Diagram. . . . . . . . . . . . . . . . . C-2
Figure C-2 Sun Ultra 1 Series System Board Block Diagram . . . . . . . . . . . C-3

xv
Tables
Table P-1 Related Documents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvii
Table P-2 Typographic Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xviii
Table P-3 Shell Prompts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xix
Table 3-1 The Keyboard LED Patterns . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5
Table 4-1 J2601 Pin Descriptions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
Table 4-2 J2603 Pin Descriptions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5
Table 4-3 DSIMM Physical Memory Address . . . . . . . . . . . . . . . . . . . . . . 4-6
Table 4-4 Internal Drives Identification. . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-7
Table 4-5 Selected On-Board Diagnostics Tests . . . . . . . . . . . . . . . . . . . . . 4-12
Table 8-1 Peripheral Power Cable Connection. . . . . . . . . . . . . . . . . . . . . . 8-21
Table 10-1 Serial Port Jumper Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-9
Table 10-2 Bank and Socket Locations for DSIMMs . . . . . . . . . . . . . . . . . . 10-19
Table 11-1 List of Replacements Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-2
Table A-1 Sun Ultra 1 Series Workstation Physical Specifications. . . . . . A-1
Table A-2 AC/DC Power Supply Specifications . . . . . . . . . . . . . . . . . . . . A-2
Table A-3 Environmental Limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-2

xvi Sun Ultra 1 Series Service Manual—November 1995
Table B-1 Keyboard/Mouse Pin Assignments . . . . . . . . . . . . . . . . . . . . . . B-1
Table B-2 Serial Ports Pin Assignments . . . . . . . . . . . . . . . . . . . . . . . . . . . B-2
Table 11-2 AUI Connector Pinouts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-3
Table B-3 TPE Pin Assignments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-4
Table B-4 SCSI Pin Assignments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-5
Table B-5 Audio Pin Assignments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-7
Table 11-3 Parallel Connector Pinouts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-8

xvii
Preface
The Sun Ultra 1 Series Service Manual tells how to remove and replace system
parts. This document applies to both SunUltra1 Model 140 and Sun Ultra 1
Model 170. Chapter 11 lists the replacement parts. This document also tells
how to troubleshoot system problems by running SunVTSprograms and
system resident diagnostics.
This document is written for Sun field service representatives, original
equipment manufacturers (OEMs), value added resellers (VARs), and other
customers with self-maintenance contracts.
Related Documentation
The following documents provide additional information for servicing the
Sun Ultra 1 Series system. These documents are also available on-line, on the
SunUltra1 Model 140 Hardware AnswerBookon the Solaris on Sun Hardware
AnswerBookset.
Table P-1 Related Documents
Application Title Part Number
Installation SunUltra1 Model 140 Installation Guide 802-3825
Configuration SunUltra1 Model 140 Reference Manual 802-3816
Configuraton SunUltra1 Internal Storage Device User’s
Guide 802-3818

xviii Sun Ultra 1 Series Service Manual—November 1995
Typographic Conventions
The following table describes the typographic changes used in this book.
Diagnostics SunVTSUser’s Guide 801-7271
Diagnostics SunVTSTest Reference Manual 802-1448
Diagnostics SunVTSQuick Reference Card 802-3622
Table P-2 Typographic Conventions
Typeface or
Symbol Meaning Example
AaBbCc123 The names of commands,
files, and directories;
on-screen computer output
Edit your .login file.
Use ls -a to list all files.
machine_name% You have mail.
AaBbCc123 What you type, contrasted
with on-screen computer
output
machine_name% su
Password:
AaBbCc123 Command-line placeholder:
replace with a real name or
value
To delete a file, type rm filename.
AaBbCc123 Book titles, new words or
terms, or words to be
emphasized
Read Chapter 6 in the User’s Guide.
These are called class options.
You must be root to do this.
Table P-1 Related Documents
Application Title Part Number