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DEC 3000 800, Owner'S Manual

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14

Running Diagnostic Tests

Chapter Overview

Introduction

This chapter contains information about running diagnostic tests
and contacting Digital Services. Diagnostic tests can help you
identify the specific part or module that is causing errors in your
system.

In This Chapter

This chapter covers the following topics:

•

Before You Begin

•

Task Overview

•

Running Diagnostic Tests

•

Recording the Diagnostic Display Light Pattern

•

Reporting Problems to Digital Services

•

Handling Problems Worksheet

Running Diagnostic Tests 14–1

Summary of Contents for 3000 800

Page 1: ...DEC 3000 Model 800 800S 900 AXP Owner s Guide Order Number EK FLMUL OG B01 Digital Equipment Corporation Maynard Massachusetts...

Page 2: ...ata General Corporation Open Software Foundation is a trademark of Open Software Foundation Inc Motif OSF OSF 1 and OSF Motif are registered trademarks of Open Software Foundation Inc ISDN is a regist...

Page 3: ...Graphics Capabilities 1 9 Integrated Services Digital Network ISDN 1 10 Audio Capabilities 1 11 Available Options 1 12 2 Preparing to Install the System Chapter Overview 2 1 Choosing a Location 2 2 C...

Page 4: ...stallation 4 14 Where to Go Next 4 15 5 Connecting the System to a Network Chapter Overview 5 1 Before You Begin 5 2 Connecting to an AUI Ethernet Network 5 4 Connecting to a 10BASE T Network 5 6 Conn...

Page 5: ...Overview 9 1 Before You Begin 9 2 Modes of System Operation 9 3 Console Mode User Interface 9 4 Console Commands 9 6 The boot Command 9 9 The continue Command 9 13 The halt Command 9 13 The help Comm...

Page 6: ...Forgetting the Password 11 7 Disabling or Changing the Password 11 8 12 Using an Alternate Console Chapter Overview 12 1 Before You Begin 12 2 Using the Alternate Console Feature 12 3 Part III Handli...

Page 7: ...cations A 2 B Port Pin outs Appendix Overview B 1 Alternate Console Printer Port B 2 Synchronous Asynchronous Communications Port B 3 External SCSI Port B 5 Keyboard Mouse or Tablet Port B 7 AUI Ether...

Page 8: ...nts 2 4 2 3 The System Handle 2 6 2 4 Lifting the System Unit 2 7 2 5 Workstation Components and Parts 2 9 2 6 Components and Parts to Save 2 10 2 7 Required Server Components and Parts 2 12 2 8 Compo...

Page 9: ...ternate Console Switch 4 11 4 9 System Unit Cover Keys 4 12 4 10 Locking the System Unit Cover 4 13 4 11 A Connected Server 4 14 5 1 Connecting to an AUI Ethernet Network 5 5 5 2 Connecting a 10BASE T...

Page 10: ...4 2 SCC Test Display with Error 14 6 14 3 Initializing Your System 14 8 14 4 Initializing the System with the SCC Test 14 9 14 5 Position of Diagnostic Display Lights 14 10 14 6 Diagnostic Display Lig...

Page 11: ...t Network 5 7 5 4 DECXM Documentation 5 10 5 5 Network Settings 5 11 6 1 Steps for Starting a Workstation 6 4 6 2 Steps for Starting a Server 6 4 6 3 Startup Display Information 6 7 6 4 Factory Instal...

Page 12: ...Startup Display 13 9 13 6 Startup Error Codes 13 11 13 7 Startup Without Booting 13 12 13 8 Information Provided by the show Console Commands 13 13 13 9 The show config Display Described 13 15 13 10...

Page 13: ...ort Pin outs B 7 B 5 AUI Ethernet Port Pin outs B 9 B 6 ISDN Port Pin outs B 10 B 7 10BASE T Port Pin outs B 11 B 8 Audio Port Pin outs B 12 D 1 Associated Printed Documents D 2 D 2 Handbook Series D...

Page 14: ......

Page 15: ...and the documentation for specific options Structure of This Guide This guide consists of 14 chapters 5 appendices a glossary of technical terms and an index and is organized into four parts as Table...

Page 16: ...e console feature These chapters are for users who understand advanced system operations III Troubleshooting Chapters in Part III describe what to do in the event of a system problem These chapters ar...

Page 17: ...wn the key labeled Ctrl while you press another key show config Lowercase type in this format indicates a command that you must enter exactly as shown For example show config Return variable Lowercase...

Page 18: ...re expertise Check the Before You Begin section at the beginning of most chapters for the specific kind of experience required to complete a task This section will be identified by the information ico...

Page 19: ...stall the system and how to perform basic operations This part includes the following chapters Chapter Title 1 Introduction to Your System 2 Preparing to Install the System 3 Installing a Workstation...

Page 20: ......

Page 21: ...nment These systems incorporate Digital s DECchip RISC processors which are part of the Alpha AXP architecture In This Chapter This chapter covers the following topics System Configurations An Overvie...

Page 22: ...P system is available in two configurations A workstation Model 800 or 900 A server Model 800S This guide explains the installation and setup of both configurations Chapter 3 describes how to install...

Page 23: ...station When configured as a workstation the system consists of four components a system unit a monitor a keyboard and a mouse Figure 1 1 shows a basic workstation configuration Figure 1 1 The DEC 300...

Page 24: ...er the DEC 3000 Model 800S AXP system does not include a monitor keyboard or mouse Figure 1 2 shows a typical DEC 3000 Model 800S AXP configuration with an optional terminal and keyboard Figure 1 2 Th...

Page 25: ...rates up to 10 megabytes per second An Attachment Unit Interface AUI Ethernet port Connection to an AUI Ethernet Thickwire network A 10BASE T network port Connection to a twisted pair network ISDN net...

Page 26: ...OpenVMS AXP Operating System The OpenVMS AXP operating system is a general purpose multiuser operating system that can be used in many different environments for a wide variety of applications The Ope...

Page 27: ...ased on Carnegie Mellon University s Mach V2 5 kernel design with components from Berkeley Software Distribution 4 3 BSD and other sources DEC OSF 1 AXP provides numerous features to assist applicatio...

Page 28: ...the software The terms and conditions under which the corporation sells and licenses its software products identify SPDs as the documents that specify Digital s obligation under software warranty SPD...

Page 29: ...ct Description available through your Digital sales representative DEC Open3D Software Three dimensional 3D graphics support is provided by the DEC Open3D software which is included in Factory Install...

Page 30: ...an ISDN network connection certification testing and as such does not have an AUSTEL permit for connection In Australia it is an offence to connect non permitted devices to a public telecommunications...

Page 31: ...system unit behind the front access door Figure 1 3 shows the audio ports the microphone input jack the speaker headphone jack the telephone handset jack and the audio input jack Figure 1 3 Audio Por...

Page 32: ...s Internal Options You can install the following hardware options inside the system unit Option Capabilities Provided Four RZ2x series 3 inch fixed disk drives Additional storage capacity Two 5 inch r...

Page 33: ...r system A printer such as a PostScript laser printer A modem A puck or stylus tablet A storage expansion box that can hold the following devices RZ2x series fixed disk drives compact disc drive quart...

Page 34: ......

Page 35: ...iliarize yourself with your system hardware In This Chapter This chapter covers the following topics Choosing a Location Customizing Your Work Area Moving Your System Unpacking a Workstation System Un...

Page 36: ...ventilation space between the system unit and the desk Figure 2 1 Dimensions of System 63 cm 25 inches 75 cm 29 inches 32 cm 13 inches MLO 007592 7 6 cm 3 inches Monitor Requirements When allocating s...

Page 37: ...ovide a minimum of 7 6 centimeters 3 inches of clearance all around the workstation This allows air to circulate around the workstation to prevent excess heat buildup and to keep the system air vents...

Page 38: ...your job more effectively once you begin using your system Comfort in your workplace can be achieved by making sure that your chair monitor keyboard and mouse are set at the right height and distance...

Page 39: ...nd keyboard so that Your wrists are straight and supported Keyboard mouse and mousepad are at elbow height Your elbows are close to your sides with your upper arms perpendicular to the floor You maint...

Page 40: ...the top under the product medallion as shown in Figure 2 3 Grasp this area firmly and pull the system unit towards you any time you wish to move it The low friction feet on the bottom of the pedestal...

Page 41: ...be lifted using the front handle and the rear of the system unit at the top as shown in Figure 2 4 Do not attempt to lift the system unit from the bottom as you may cause damage to the front or side p...

Page 42: ...stems If you did not order a preconfigured system check your packing slip to make sure that whatever you ordered has arrived in your shipment If Parts Are Missing If you are missing any parts for your...

Page 43: ...2 5 for the parts you need Figure 2 5 Workstation Components and Parts System Unit Keyboard System Power Cord Monitor Power Cord Monitor Video Cable MLO 010853 Universal Strain Relief Strap Owner s Gu...

Page 44: ...ertain international standards Digital includes German regulatory information sometimes referred to as the FTZ card in every system and monitor box Disregard this material if your system is not locate...

Page 45: ...reconfigured system check your packing slip to make sure that whatever you ordered has arrived in your shipment If Parts Are Missing If you are missing any parts for your DEC 3000 Model 800S AXP serve...

Page 46: ...y parts some of which you do not need during the system installation See Figure 2 7 for the parts you need Figure 2 7 Required Server Components and Parts System Unit System Power Cord MLO 010458 Docu...

Page 47: ...tain international standards Digital includes German regulatory information sometimes referred to as the FTZ card in every system and monitor box Disregard this material if your system is not located...

Page 48: ...the System Unit Familiarize yourself with the ports switches and indicators on the back of the system unit shown in Figure 2 9 and explained in Table 2 2 Figure 2 9 Back of System Unit ISDN S3 1 3 4...

Page 49: ...us asynchronous communications port To connect a communications device such as a printer plotter modem or console terminal External SCSI port To connect Small Computer System Interface SCSI peripheral...

Page 50: ...of the System Familiarize yourself with the front of the system unit shown in Figure 2 10 and explained in Table 2 3 Figure 2 10 Front of System Unit Line In 1 2 3 4 5 MLO 007553 7 8 9 10 11 12 6 14...

Page 51: ...he power supply has been shut down Feature Behind front access door Function Halt button To place the system in console mode Diagnostic display Used for diagnostic testing purposes Microphone input ja...

Page 52: ...udio input and output features of the system Alternate Console Switch Indicates the alternate console switch that directs console output to the monitor or to an alternate console such as a terminal Al...

Page 53: ...Where to Go Next If you Go to Are installing a workstation Chapter 3 Are installing a server Chapter 4 Installed your system using the Setting Up Your Workstation card or the Setting Up Your Server c...

Page 54: ......

Page 55: ...ed quickly and easily The information in this chapter explains how to connect the cables to the system unit and to the monitor and how to prepare the workstation for startup Starting your workstation...

Page 56: ...Chapter 2 What You Should Know Beforehand Note that Installing your system requires little or no previous knowledge of computer systems Connecting your workstation should take about 15 minutes This ch...

Page 57: ...nstall Your Workstation System Unit Keyboard System Power Cord Monitor Power Cord Monitor Video Cable MLO 010853 Universal Strain Relief Strap Owner s Guide Options Guide Other Documentation Mouse wit...

Page 58: ...eyboard mouse extension cable 4 Universal strain relief strap Monitor video cable 5 Monitor cables and power cord Rear of the monitor 6 Monitor video cable Graphics connector on a TURBOchannel slot 7...

Page 59: ...t as shown in Figure 3 2 If you plan to connect to an AUI Ethernet network or a ThinWire Ethernet network using a DECXM transceiver you may omit this step After you have completed the connections in t...

Page 60: ...ouse Extension Cable Connect the keyboard mouse extension cable to the keyboard mouse port on the system unit as shown in Figure 3 3 Figure 3 3 Connecting the Keyboard Mouse Extension Cable ISDN S3 ML...

Page 61: ...is provided so that the mouse and keyboard can be located away from the system unit Figure 3 4 Connecting the Keyboard and Mouse to the Keyboard Mouse Extension Cable MLO 010362 1 2 The Plastic Mylar...

Page 62: ...C connectors and cable junction block of the video cable through the center slot of the universal strain relief strap making sure the strap is under the cable junction block 2 Pull the video cable int...

Page 63: ...Connecting the Workstation Figure 3 5 Connecting the Universal Strain Relief Strap 1 2 3 MLO 008592 R G B Installing a Workstation System 3 9...

Page 64: ...the corresponding connectors marked R G and B on the monitor Five connectors color monitor Do not use the H C and V connectors Connect the other three cable connectors as described above Six connector...

Page 65: ...ds Connect the cable to a color monitor Like this R G B R G B H C V B G S R B G R B G R MLO 010574 Connect the cable to a monochrome monitor Like this MLO 010662 G B R Connect the monitor power cord L...

Page 66: ...graphics connector on the system unit as shown in Figure 3 6 The graphics connector extends from one of the TURBOchannel slots on the rear of the system unit Preconfigured systems use Slot 0 Figure 3...

Page 67: ...tplatte installiert Vor dem Systemstart installationsanleitung lesen Software gia installato sul disco fisso Consultare il manuale di installazione prima di avviare il sistema El software esta preinst...

Page 68: ...two power cords shipped with your system and is specially keyed to fit in the system power socket Figure 3 8 Connecting the System Power Cord to System ISDN S3 MLO 010858 2 1 0 3 4 5 Step 8 Plug Cord...

Page 69: ...t to the audio I O port on the front of the system unit as shown in Figure 3 9 You can use the headset as an alternative to a telephone handset to input and output audio Figure 3 9 Connecting the Head...

Page 70: ...hown in Figure 3 10 The modem converts computer signals into signals that can be sent over a telephone line Your Digital sales representative can provide more information about the various modems that...

Page 71: ...ort on the back of the system unit as shown in Figure 3 11 For information about the various printers that can be used with your system contact your Digital sales representative Figure 3 11 Connecting...

Page 72: ...on the system unit is set to the correct position which is to the right when you are using a monitor as shown in Figure 3 12 Refer to Chapter 12 for more information on the alternate console switch Fi...

Page 73: ...workstation comes with a cover lock on the system unit to provide additional security The system is shipped with a set of two keys attached to the top cover of the system unit as shown in Figure 3 13...

Page 74: ...service representative as described in the section on reporting problems to Digital services in Chapter 14 Locking the Cover To lock the workstation system unit insert the key and turn it clockwise as...

Page 75: ...lation An Installed Workstation Check your system against the diagram in Figure 3 15 to make sure that you have connected everything correctly Figure 3 15 A Connected Workstation ISDN S3 2 1 0 3 4 5 M...

Page 76: ...er you have completed the tasks in this chapter refer to Table 3 4 for information on where to go next Table 3 4 Where to Go Next If you want to Go to Connect your system to a network Chapter 5 Start...

Page 77: ...server is designed to be installed quickly and easily The information in this chapter explains how to install the server system and how to prepare it for startup Starting your server system is explai...

Page 78: ...f the system unit If you have not peformed all of these tasks do so now They are covered in Chapter 2 What You Should Know Note that Installing your system requires little or no previous knowledge of...

Page 79: ...r server Save any terminators and additional parts in case you need them later Figure 4 1 Parts Needed to Install Your Server System Unit System Power Cord MLO 010458 Documentation Ethernet Loopback C...

Page 80: ...t Step Check the On the 7 Alternate console switch to make sure it is in the correct position Rear of the system unit Connecting the Server Step 1 Attach the Ethernet Loopback Connector Attach the Eth...

Page 81: ...Connecting the Server Figure 4 2 Connecting the Ethernet Loopback Connector ISDN S3 1 0 4 MLO 010984 Installing a Server System 4 5...

Page 82: ...the system unit as shown in Figure 4 3 in order to display console and startup information Make sure the terminal baud rate is set to 9600 baud See Chapter 12 for more information on using an alterna...

Page 83: ...atte installiert Vor dem Systemstart installationsanleitung lesen Software gia installato sul disco fisso Consultare il manuale di installazione prima di avviare il sistema El software esta preinstala...

Page 84: ...ct the system power cord to the workstation system unit as shown in Figure 4 5 The system power cord is specially keyed to fit in the system power socket Figure 4 5 Connecting Power Cord to System Uni...

Page 85: ...onnect a modem to the synchronous asynchronous port on the back of the system unit as shown in Figure 4 6 The modem converts computer signals into signals that can be sent over a telephone line Your D...

Page 86: ...le ISDN S3 MLO 012918 2 1 0 3 4 5 Step 7 Check the Alternate Console Switch The alternate console switch on the rear of the system unit directs console output to one of two destinations a monitor work...

Page 87: ...Connecting the Server Figure 4 8 Checking the Alternate Console Switch ISDN S3 MLO 010894 S3 2 1 0 3 4 5 Installing a Server System 4 11...

Page 88: ...Your server comes with a cover lock on the system unit to provide additional security The system is shipped with a set of two keys attached to the top cover of the system unit as shown in Figure 4 9...

Page 89: ...Digital service representative as described in the section on reporting problems to Digital services in Chapter 14 Locking the Cover To lock the system unit insert the key and turn it clockwise as sho...

Page 90: ...our Installation An Installed Server Check your system against the diagram in Figure 4 11 to make sure you have connected everything correctly Figure 4 11 A Connected Server ISDN S3 2 1 0 3 4 5 MLO 01...

Page 91: ...After you have completed the tasks in this chapter refer to Table 4 2 for information on where to go next Table 4 2 Where to Go Next If you want to Go to Connect your system to a network Chapter 5 St...

Page 92: ......

Page 93: ...This Chapter This chapter describes how to complete the hardware connections to a network For the networking software connection see your system or network administrator at your site This chapter cove...

Page 94: ...asks described in this chapter require the same basic level of hardware knowledge needed to install the system Determining Your Network Type See your network administrator to find out the network type...

Page 95: ...5 1 before trying to connect your system to a network Table 5 1 Required Network Cables Network Cable Adapter AUI Ethernet BNE4C xx 10BASE T Ethernet BN24F xx or BN26K xx twisted pair cable 10BASE2 T...

Page 96: ...Action 1 Removing loopback connector 2 Connect the AUI Ethernet cable 3 Move the sliding lock Step 1 Loopback Connector If the loopback connector is still connected to your system remove it now Keep t...

Page 97: ...5 MLO 010896 Step 3 Sliding Lock Push the sliding lock on the AUI Ethernet cable connector up using your finger The sliding lock prevents the cable from becoming disconnected Connect the other end of...

Page 98: ...twisted pair network complete the following tasks 1 Connect the 10BASE T cable securely to the 10BASE T port on the back of the system unit as shown in Figure 5 2 2 Connect the other end of the cable...

Page 99: ...s listed in Table 5 3 Table 5 3 Steps for Connecting a 10BASE2 Ethernet Network Step Action 1 Remove loopback connector 2 Connect a standard Ethernet cable to the AUI port on the system unit 3 Attach...

Page 100: ...of the system unit shown in Figure 5 1 of this chapter Step 3 DECXM Transceiver Connect the other end of the AUI Ethernet cable to the AUI port on the DECXM transceiver as shown in Figure 5 3 Figure 5...

Page 101: ...ble and T Connector to the DECXM Transceiver MLO 011209 Step 5 Terminate Connection If your workstation is the last one on a ThinWire network you need to terminate the network connection Do this by co...

Page 102: ...or your DECXM refer to Table 5 4 for documentation shipped with the units Table 5 4 DECXM Documentation For this transceiver or adapter See this document DECXM transceiver DECXM AA Transceiver Install...

Page 103: ...rify the network connection Two Network Settings There are two network settings recognized by your system THICK for AUI Ethernet or 10BASE2 ThinWire Ethernet and TENBT for 10BASE T Ethernet The defaul...

Page 104: ...NET network_type The variable network_type is either THICK or TENBT depending on which network you are using Verify the Network Connection Once you have set the network type you can verify the network...

Page 105: ...test again If an error message appears see Chapter 13 for more information Completing the Network Connection Contact Your Network Administrator Once you determine that your network cables are connecte...

Page 106: ......

Page 107: ...ally connected to a network you are ready to start the system In This Chapter This chapter covers the following topics Before You Begin Turning On the System Reviewing the Startup Display Starting a S...

Page 108: ...to be networked If you have not performed these tasks do so now What You Should Know Beforehand The tasks in this chapter require some experience with computer tasks such as turning on the power swit...

Page 109: ...m unit By turning on your system components in the correct order you help to ensure that your system can detect all connected devices CAUTION System Unit Cover If you have removed the system unit cove...

Page 110: ...igure 6 1 Server Startup Procedure To start up the DEC 3000 Model 800S AXP server system perform the steps in Table 6 2 Table 6 2 Steps for Starting a Server Step Description 1 Turn the terminal power...

Page 111: ...nitor display will flash colors if you have a color monitor and change patterns for a few seconds and then you should see a display similar to that in Figure 6 2 What You Should See on a Server If you...

Page 112: ...up tests Devnam Devstat CPU OK KN17 AA V3 0 S080 IO60 DECchip 21064 P3 0 ASIC OK MEM OK 128MB NVR OK SCC OK ptr 0 Present keybd 2 Present NI OK Ethernet Address 08 00 2B 1D 1E EF THICK SCSI OK ISDN OK...

Page 113: ...TURBOchannel device s There are six TURBOchannel slots available 0 1 2 3 4 and 5 This example indicates one TURBOchannel device installed in slot 0 Startup Errors If you see any error messages on the...

Page 114: ...ore information about using the factory installed software on your system refer to the documents listed in Table 6 4 Depending on the operating system ordered with your system one of these documents i...

Page 115: ...g on the type of computer System initialization continuing please wait System initialization continuing please wait System initialization continuing please wait OpenVMS AXP Startup Dialog The OpenVMS...

Page 116: ...Rights Reserved OK Clear C If your system is a server and you have connected an alternate console device press the Return key to display the Username login prompt and continue as follows Screen Promp...

Page 117: ...talled Software Startup Procedure During this startup procedure you will be prompted to enter the following information o a system name o a new superuser password o your local time zone o the date and...

Page 118: ...SF 1 AXP DECwindows Motif Start Session Screen Digital Equipment Corporation 1988 1992 All Rights Reserved O K C Abort Z K 0 7 6 6 U R DEC OSF 1 my system login Password If your system is a server and...

Page 119: ...rating system software from a compact disc requires specific operating system instructions These instructions are available in the documents listed in Table 6 5 These documents are included with your...

Page 120: ...tarted use Table 6 6 to determine what to read next Table 6 6 Where to Go Next If you want to Go to Start using your system Your operating system or application software documentation for more informa...

Page 121: ...ntroduction This chapter describes the steps you should take to turn off your system In This Chapter This chapter covers the following topics Before You Begin Task Overview Shutting Down the System Ha...

Page 122: ...ut Down Operating System At the console prompt See Step 2 Turn Off the Hardware What You Should Know Beforehand Shutting down your system may require knowledge of file backup and operating system shut...

Page 123: ...Steps Table 7 2 gives an overview of the steps involved in shutting down your system Table 7 2 Steps to Shutting Down Your System Step Action 1 Shut down the operating system if it is running 2 Turn...

Page 124: ...hutdown Procedure For Refer to OpenVMS AXP OpenVMS AXP Upgrade and Installation Manual or the OpenVMS System Manager s Manual DEC OSF 1 AXP System Management Vol 2 Guide to System Shutdown and Startup...

Page 125: ...Shutting Down the System Figure 7 1 Turning Off the System Unit MLO 007571 Turning Off the System 7 5...

Page 126: ...able 7 4 Halting the Operating Systems For this operating system Halt the system if you DEC OSF 1 AXP Cannot run the operating system shutdown procedures and need to reboot the system Do not halt the...

Page 127: ...g the Halt Button To halt the system locate the halt button on the front of the system unit press it once and release it as shown in Figure 7 2 Figure 7 2 Pressing the Halt Button MLO 007497 Line In T...

Page 128: ...layed If you have halted your system to access console commands you can continue now Console Commands You Can Issue You can use only the following commands when your system is halted while running the...

Page 129: ...to the program mode of your operating system enter the continue command as follows continue Return You can return to program mode only if you were running the OpenVMS AXP operating system and you are...

Page 130: ......

Page 131: ...se not only ensures that the system functions properly but also helps avoid more serious problems that could cause permanent damage In This Chapter This chapter covers the correct use and maintenance...

Page 132: ...ing the System Unit and Keyboard Caring for the System Unit The system unit requires adequate ventilation Ideally the system unit should be positioned in as dust free an environment as possible Also n...

Page 133: ...spill water on the keyboard 1 Unplug the keyboard from the system unit 2 Wipe up the excess water immediately 3 Turn your keyboard over to drain any remaining water 4 Leave the keyboard to dry on its...

Page 134: ...Turn the monitor power switch to the off position O The monitor is powered off 2 Using any reputable household glass cleaner spray the cleaner onto a soft cloth and wipe the screen Do not spray the cl...

Page 135: ...ointer on your screen does not move freely as you direct it with the mouse you may need to clean the rubber ball inside the mouse as Table 8 1 describes Table 8 1 Steps for Cleaning the Mouse Step Des...

Page 136: ...t Removing the Front Access Door Procedure to Remove Front Access Door If you wish to remove the front access door to have improved access to the audio ports halt switch and indicator lights follow th...

Page 137: ...Removing the Front Access Door Figure 8 2 Removing the Front Access Door MLO 010461 Maintaining the System 8 7...

Page 138: ......

Page 139: ...form advanced operations with the DEC 3000 Model 800 800S 900 AXP system This part includes the following chapters Chapter Title 9 Using Console Commands 10 Changing Environment Variables 11 Using the...

Page 140: ......

Page 141: ...ole commands In This Chapter This chapter covers the following topics Before You Begin Modes of System Operation Console Mode User Interface Console Commands The boot Command The continue Command The...

Page 142: ...fully understanding the effect that they can have on your system For instance some advanced level commands such as deposit and set let you manipulate nonvolatile and system memory Using the deposit c...

Page 143: ...trol of the operating system All user input is passed to the operating system You cannot issue console commands without returning to console mode Program mode is in effect when the system is turned on...

Page 144: ...mands Console Prompt The console mode prompt looks like this You can enter control characters and console commands at the console prompt Console Mode Keys and Control Characters Control characters are...

Page 145: ...ers as they are deleted Ctrl C This character aborts the current command This command has no effect once control has been passed from console mode to another program such as the operating system or a...

Page 146: ...sts the basic commands and indicates where you can find information about using them Advanced Console Commands List It should rarely be necessary for you to use the advanced console commands Table 9 3...

Page 147: ...help for various TURBOchannel device tests The help Command help set Displays information about the set or setenv command The help Command help show Displays information about the show or printenv com...

Page 148: ...y I O and register locations from the console The help advanced Command initialize Initializes the console a device or a specified processor The help advanced Command login Accesses the system when th...

Page 149: ...alue ASCII string of up to 23 characters filename fi filename A filename of up to 23 characters used when booting to specify the name of a file to load into the system The filename must be enclosed in...

Page 150: ...ng environment variables Boot Device Naming Conventions You can specify the boot device name in two ways using either an OpenVMS or a DEC OSF 1 style device name Table 9 5 provides a list of the devic...

Page 151: ...ommand to boot the DEC OSF 1 AXP operating system with the default flags from an internal fixed disk drive boot rz1a Return The device name elements of the OSF 1 style boot command are defined as foll...

Page 152: ...a TURBOchannel SCSI option card in TURBOchannel slot 1 using the BOOTP protocol boot 1 ez0 Return boot from device dka400 connected to TURBOchannel slot 2 boot 2 dka400 Return perform a MOP boot from...

Page 153: ...he continue command only on systems running the OpenVMS AXP operating system Command Syntax Issue the continue command as follows continue Return Your operating system should resume execution after yo...

Page 154: ...f console commands parameters and qualifiers You can specify one of the following topics with the help command to display specific information help mips_emulator help set help show Command Syntax Issu...

Page 155: ...ICE DIAG_LOE DIAG_QUICK DIAG_SECTION ENABLE_AUDIT ETHERNET ERROR FAST_SCSI_A FAST_SCSI_B LANGUAGE MEMORY MOP RADIX SCSI_A SCSI_B SCSI_RESET SECURE SERVER TRIGGER The help advanced Command Description...

Page 156: ...nvar value SHOW PRINTENV envar START addr TEST devnam tstnam The set or setenv Command Description The set or setenv command lets you set an environment variable Command Syntax Issue the set or setenv...

Page 157: ...ings Command Syntax Issue the show or printenv command as follows show variable_name Return In the command above variable_name can be any of the environment variables described in Chapter 10 Command E...

Page 158: ...I Network interface Ethernet SCSI SCSI device s ISDN1 79C30A AMD chip TCn TURBOchannel options where n is the number of the TURBOchannel device you wish to test 1Running ISDN diagnostic tests also tes...

Page 159: ...The default startup action each time your system is turned on or a halt instruction is executed by software The language used in console mode This chapter describes the available environment variable...

Page 160: ...anding of what each of the environment variables does and how changing the defaults will affect your system Do not change any environment variable without fully understanding the effect that the chang...

Page 161: ...played during the boot process ON ethernet Sets the Ethernet type for the system either THICK or TENBT THICK fast_scsi_a Enables slow or fast SCSI on all internal SCSI devices ON fast SCSI fast_scsi_b...

Page 162: ...all environment variables enter the show command as follows and press the Return key show Return AUTO_ACTION HALT BOOTDEF_DEV null BOOT_OSFLAGS 0 0 ENABLE_AUDIT ON BOOT_RESET ON SCSI_RESET 4 DIAG_LOE...

Page 163: ...ns you can specify for the auto_action environment variable and the command parameters to use for each Note that the parameter can be either a word such as boot or a corresponding number such as 2 Tab...

Page 164: ...her systems are set to HALT Command Syntax To set the auto_action environment variable enter the following command set auto_action parameter Return Enter the parameter of your choice from Table 10 2 t...

Page 165: ...ns You can specify the boot device name in two ways using either an OpenVMS or a DEC OSF 1 style device name Table 10 3 provides a list of the device naming conventions which can be used for the boot...

Page 166: ...he show device Display show device Return BOOTDEV ADDR DEVTYPE NUMBYTES RM FX WP DEVNAM REV ESA0 08 00 2B 12 00 9C DKA0 A 0 0 DISK 1 05GB FX RZ26 T368 DKA100 A 1 0 DISK 426 25MB FX RZ25 0700 DKA200 A...

Page 167: ...If that drive was unavailable or the boot failed the system would then try to boot from a remote device across an Ethernet connection esa0 You can enter a maximum of 20 characters following the bootd...

Page 168: ...ds as shown set diag_quick on Return DIAG_QUICK ON Using the on parameter changes the default setting Changing the Default Keyboard Language language Description The language environment variable sets...

Page 169: ...nt variables initialize the SCSI controllers The variable fast_scsi_a is for bus A internal devices and fast_scsi_b is for bus B external devices When fast SCSI devices are connected and fast_scsi_a b...

Page 170: ...gs for the environment variables are on for fast_scsi_a and off for fast_scsi_b Thus the external SCSI controller will be initialized to operate in slow SCSI mode and the internal SCSI controller in f...

Page 171: ...orized personnel from accessing privileged console commands on your workstation or server In This Chapter This chapter covers the following topics Before You Begin Task Overview Entering a Password En...

Page 172: ...tal service representative you can proceed with this chapter What You Should Do First Before using the password security feature you should complete the following tasks Put your system in console mode...

Page 173: ...prompt In general any commands that modify memory and registers or that transfer CPU control from the console monitor to another program such as halt or start are considered privileged commands List o...

Page 174: ...to Making the System Secure Making your system secure requires software and hardware tasks Table 11 2 describes the steps required to secure your system Table 11 2 Steps to Making the System Secure St...

Page 175: ...password what you type does not display on the screen If the two passwords you entered match your password is preserved in nonvolatile memory which means that the system saves your password value even...

Page 176: ...tem Security Step Description 1 Check the current status of the password security feature by entering the show secure command at the console prompt as follows show secure Return SECURE OFF An off resp...

Page 177: ...ital service representative to have him perform this task 2 Enter the deposit command as explained in the next section 3 Enable the secure system jumper Entering the deposit Command To erase the curre...

Page 178: ...igits in length and use the values 0 through 9 or A through F Alphanumeric passwords are not accepted as console passwords Table 11 6 Entering a Password Enter this command System responds set passwor...

Page 179: ...ate console feature of your system lets you direct console input and output from a monitor to another device such as a terminal In This Chapter This chapter covers the following topics Before You Begi...

Page 180: ...tus If your system is Refer to Running the operating system Chapter 7 to get to the console prompt At the console prompt Step 1 Connect a Terminal or Printer in this chapter Alternate Console Printer...

Page 181: ...S AXP operating system you can connect a printer to the alternate console port and direct screen output to that printer to create a printed copy of the installation screens You cannot display output o...

Page 182: ...printer as an alternate console device server connect the terminal or printer cable to the alternate console printer port on the system unit as shown in Figure 12 1 Figure 12 1 Attaching a Device to...

Page 183: ...tput to one of two destinations a monitor workstation or an alternate console device such as a terminal or a printer To direct console output to a console device the alternate console switch should be...

Page 184: ...utput will not display on the terminal or printer you connected Restarting the System To change console output from the monitor to the alternate console restart your system as follows 1 Turn off your...

Page 185: ...ling Problems Part III describes how to handle problems with the DEC 3000 Model 800 800S 900 AXP system This part includes the following chapters Chapter Title 13 Identifying a Problem 14 Running Diag...

Page 186: ......

Page 187: ...xperiencing problems with your system this chapter will help you identify and possibly fix the problem In This Chapter This chapter covers the following topics Before You Begin Task Overview Determini...

Page 188: ...ify problems and indicates where each method is described Table 13 1 How to Identify a Problem To identify a problem this way Refer to Use the troubleshooting tables This chapter Run diagnostic tests...

Page 189: ...possibly fix system problems Table 13 2 Steps to Resolving Problems Step Description 1 Determine type of problem 2 Locate problem in troubleshooting tables 3 Follow suggested actions to resolve probl...

Page 190: ...oblems and their possible causes as well as some corrective actions that you can take If you cannot isolate the problem or if the corrective actions do not resolve the problem see the section Reportin...

Page 191: ...show device Command Error in show error Command The show memory Command Display Problems Cursor in corner of screen Distorted display on monitor No display on monitor Mouse and Keyboard Problems Poin...

Page 192: ...n in Figure 13 1 If the fan failure lights comes on you will need to contact your Digital Services representative as described in Chapter 14 Table 13 4 Power Indicator Light Failure Possible Cause Cor...

Page 193: ...Startup Problems Figure 13 1 Power Indicator Light 1 2 MLO 008922 Identifying a Problem 13 7...

Page 194: ...ights as shown in Figure 13 2 If the diagnostic display lights do not display the code DD as shown check Table 13 5 to determine a possible cause and corrective action If Table 13 5 does not provide a...

Page 195: ...tor brightness and contrast controls are too dark to see the screen display Adjust the monitor brightness and contrast controls Verify that the monitor power switch is on Monitor cable or video cable...

Page 196: ...K SCC 003 0050 ptr 0 Not Present keybd 2 Not Present NI OK Ethernet Address 08 00 2B 1D 1E EF SCSI OK ISDN OK TC0 OK PMAGB BA System power up tests detected error s See your system documentation for m...

Page 197: ...or indicator appears next to one of the Devnam items listed above check the appropriate cable or connector to make sure it is connected securely Instructions on how to complete workstation and server...

Page 198: ...Chapter 10 Boot device is not properly configured Enter a show device command as described in the next section and check to see that all devices are configured properly If not check the SCSI ID number...

Page 199: ...nds This command Lists the status of show config System components revisions and installed TURBOchannel options show device The Ethernet interface and any optional devices such as SCSI internal and ex...

Page 200: ...igure 13 4 Configuration Display with Error show config Return DEC 3000 M800 Digital Equipment Corporation VPP PAL X5 41 82000101 Built on 10 MAY 1993 00 00 00 00 TCINFO DEVNAM DEVSTAT CPU OK KN17 AA...

Page 201: ...ent or module Interpreting the show config Display If no errors are detected when you enter a show config command you will see the message OK next to each device name If an error is detected for one o...

Page 202: ...vice Display show device Return BOOTDEV ADDR DEVTYPE NUMBYTES RM FX WP DEVNAM REV ESA0 08 00 2B 12 00 9C THICK DKA0 A 0 0 DISK 1 05GB FX RZ26 T368 DKA100 A 1 0 DISK 426 25MB FX RZ25 0700 DKA200 A 2 0...

Page 203: ...nnected to the SCSI_ A bus and that the SCSI ID number is 4 ADDR The internal address of the device For SCSI devices indicates the SCSI bus and SCSI ID number DEVTYPE The type of device DISK indicates...

Page 204: ...ID number from 0 to 7 that must be unique within your system A common error is to add a SCSI device with an ID number that is already being used by another device in your system Since this error does...

Page 205: ...le RAM and time of year TOY clock SCC Serial communications controller NI Network interface Ethernet SCSI SCSI device s ISDN1 79C30A AMD chip TCn TURBOchannel options where n is the number of the TURB...

Page 206: ...or module in your system SCC The name of the diagnostic test that detected an error 0x0050 The error number in hexadecimal format For a complete list of FRU numbers and diagnostic test error numbers s...

Page 207: ...er 14 The show memory Display Figure 13 7 shows an example of a show mem command display Figure 13 7 The show memory Display show memory DEC 3000 M800 Memory 128 Mbytes BANK MEMORY_SIZE START_ADDRESS...

Page 208: ...witch is in the wrong position Corrective Action Locate the alternate console switch on the rear of the system unit Refer to Figure 12 2 to see the switch position If the switch is set to the left it...

Page 209: ...power switch to the off O position Unscrew the video monitor cable from the Video Out ports and connect them instead to the Video In ports See Table 3 3 for more information Turn the monitor power sw...

Page 210: ...s controls are too dark to see the screen display Adjust the contrast and brightness controls Refer to the monitor guide for more information System board or graphics board failure Refer to Chapter 14...

Page 211: ...gain The system is in console mode No pointer appears on the screen Change the system to operating system level by entering boot at the console prompt Faulty pointing device Replace the pointing devic...

Page 212: ...y of the SCSI device ID numbers to 7 This number is used for the SCSI controller on the system Table 13 17 Installed Disk Drive Problems Possible Cause Corrective Action Two SCSI identifiers are set t...

Page 213: ...fixed disk Refer to Chapter 14 for information on running diagnostic tests A problem exists with the operating system software if installed on the fixed disk Refer to your operating system software d...

Page 214: ...d Attach the Ethernet loopback terminator shipped with your system See Figure 3 2 or Figure 4 2 Terminator is missing from network Check to see if a ThinWire cable was removed If so replace the cable...

Page 215: ...fer to Chapter 14 for information on running diagnostic tests After Solving an NI Problem To test for a network problem type test ni and press the Return key to run the Ethernet test again This either...

Page 216: ......

Page 217: ...gnostic tests can help you identify the specific part or module that is causing errors in your system In This Chapter This chapter covers the following topics Before You Begin Task Overview Running Di...

Page 218: ...resentative may also request that you run diagnostic tests What You Should Have Done Already Before running diagnostic tests on your system to identify a defective component or module you should have...

Page 219: ...1 Steps to Diagnostic Tests Step Procedure 1 Run the diagnostic test on the component module or device that is causing an error 2 Note the diagnostic test results 3 Record the diagnostic display ligh...

Page 220: ...ests require a loopback connector The tests are listed by the name of the device they test Refer to Figure 3 2 to see how to connect the Ethernet loopback connector Table 14 2 Diagnostic Tests Device...

Page 221: ...me1 device_name2 Return where device_name1 is the device you want to start with and device_name2 is the last device you want to test The diagnostic tests are run in the same order as the list of devic...

Page 222: ...ERR SCC MOUSE 0 char rcvd 004 SCC 0x0060 84 FAIL Understanding the test Command Display In the previous example the SCC test failed during testing of the mouse line This means that the mouse is not be...

Page 223: ...e is one of the test names listed in TURBOchannel Test Commands TURBOchannel Test Commands Table 14 3 shows the TURBOchannel test commands Table 14 3 TURBOchannel Tests Command Description test device...

Page 224: ...ins a slash or a hyphen enclose test_ name in double quotes Initializing Your System After you have run a test you should use the following command to initialize your system to clear the error log fro...

Page 225: ...display Note Another Way to Initialize Your System You can also initialize your system after running diagnostic tests by running the same test again If the problem has been fixed the test which failed...

Page 226: ...e front of the system unit there are two diagnostic display lights as shown in Figure 14 5 Figure 14 5 Position of Diagnostic Display Lights MLO 007570 Line In The diagnostic display lights can provid...

Page 227: ...stic display lights display the hexadecimal code DD as shown in Figure 14 6 Figure 14 6 Diagnostic Display Lights MLO 010467 When your system is in program mode the diagnostic display lights display t...

Page 228: ...local Digital office How to Report Problems If you are unable to locate the problem from the descriptions in the previous sections of this chapter or the corrective actions suggested could not resolve...

Page 229: ...apter 3 Note the problem possible causes if you know them and solutions suggested in the previous sections Also indicate what actions if any you have already taken to try to correct the problem 4 Be p...

Page 230: ...nada Quebec 1 800 267 2603 United Kingdom 44 256 59200 France 33 92955111 Germany 49 89 95913218 Australia 009 252 277 Installing Loopback Connectors Your Digital service representative may ask you to...

Page 231: ...onnector If your Digital service representative requests that you connect the 10BASE T loopback connector connect it as shown in Figure 14 8 Figure 14 8 Connecting the 10BASE T Loopback Connector ISDN...

Page 232: ...If your Digital service representative requests that you connect the alternate console printer loopback connector connect it as shown in Figure 14 9 Figure 14 9 Connecting the Alternate Console Print...

Page 233: ...Connector If your Digital service representative requests that you connect the modem loopback connector connect it as shown in Figure 14 10 Figure 14 10 Connecting the Modem Loopback Connector ISDN S3...

Page 234: ...aking Notes Use the worksheet on the next page to record system information After your have recorded all system information indicated on the worksheet have the sheet available when you call your Digit...

Page 235: ...r light lit Diagnostic display lights lit Monitor power light lit Keyboard working Mouse working Console prompt appears Startup error message displayed Operating system boots Software is frozen Indica...

Page 236: ......

Page 237: ...er information about your system This section includes the following appendixes Appendix Title A Hardware Specifications B Port Pin outs C European Economic Community EEC Considerations D Associated D...

Page 238: ......

Page 239: ...odel 800 800S 900 AXP system In This Appendix This appendix covers the following topics System Unit Dimensions Pedestal Table A 1 System Electrical Specifications Table A 2 General System Specificatio...

Page 240: ...74 cm 33 66 cm 75 44 cm 77 93 lb 24 7 in 13 25 in 29 7 in System Electrical Specifications Table A 2 lists the electrical specifications for the system Table A 2 System Electrical Specifications Input...

Page 241: ...ndary cache 2 MB SIMM memory 32 MB minimum 1 GB maximum ROM memory 512 KB Optional fixed disk Four 3 inch fixed disks Optional removable media 3 inch half height diskette drive up to two 5 inch half h...

Page 242: ...e humidity 10 to 95 noncondensing Altitude 0 to 3600 m 0 to 12 000 ft Maximum wet bulb temperature 46 C 115 F Minimum dew point N A Temperature rate of change 20 C per hour 36 F per hour Storage Condi...

Page 243: ...28 C 82 F Minimum dew point 2 C 36 F International Power Cord Part Numbers Table A 5 shows the power cord part numbers for countries in which the DEC 3000 Model 800 800S 900 AXP system can operate Ta...

Page 244: ...ations Table A 5 Cont Power Cord Part Numbers Country Part Number Japan BN20A 2E Norway BN13A 2E Portugal BN13A 2E Spain BN13A 2E Sweden BN13A 2E Switzerland BN14A 2E UK Ireland BN12A 2E A 6 Hardware...

Page 245: ...tables in this appendix explain the functions of the pins on the system unit ports In This Appendix This appendix covers the following topics Alternate Console Printer Port Synchronous Asynchronous Co...

Page 246: ...ter port Figure B 1 Alternate Console Printer Port 1 6 MLO 008613 Alternate Console Printer Port Pin outs Table B 1 describes pin usage for the alternate console printer port Table B 1 Alternate Conso...

Page 247: ...communications port Table B 2 Synchronous Asynchronous Communications Port Pin outs Pin Source Signal CCITT1 EIA2 Description 1 GND 102 AB Signal ground 2 System TX 103 BA Modem transmitted data 3 Mo...

Page 248: ...Not used 13 Not used 14 Not used 15 Not used 16 Not used 17 Not used 18 Not used 19 Not used 20 System DTR 108 2 CD Data terminal ready 21 Not used 22 Modem printer RI 125 CE Ring indicator 23 Not use...

Page 249: ...ort Pin outs Pin Description Pin Description 1 Chassis ground 26 SCSI bus data 0 2 Chassis ground 27 SCSI bus data 1 3 Chassis ground 28 SCSI bus data 2 4 Chassis ground 29 SCSI bus data 3 5 Chassis g...

Page 250: ...ground 40 Chassis ground 16 Chassis ground 41 SCSI bus ATN 17 Chassis ground 42 Chassis ground 18 Chassis ground 43 SCSI bus BSY 19 Chassis ground 44 SCSI bus ACK 20 Chassis ground 45 SCSI bus RST 21...

Page 251: ...or the keyboard mouse port Table B 4 Keyboard Mouse or Tablet Port Pin outs Pin Source Signal Description 1 GND Chassis ground 2 KEY TX Keyboard transmitted data 3 Keyboard KEY RX Keyboard received da...

Page 252: ...AUI Ethernet Port Diagram Figure B 5 shows the pin layout for the AUI Ethernet port Figure B 5 AUI Ethernet Port 1 8 9 15 MLO 008583 AUI Ethernet Port Pin outs Table B 5 describes pin usage for the A...

Page 253: ...ence 3 System ATX Transmit 4 GND Chassis ground 5 XCVR ARX Receive 6 XCVR GND Power return 7 CTL Not used 8 GND Chassis ground 9 XCVR ACOL Collsion active low 10 System ATX Transmit active low 11 GND...

Page 254: ...for the ISDN port Figure B 6 ISDN Port 8 1 MLO 008611 ISDN Port Pin outs Table B 6 describes pin usage for the ISDN port Table B 6 ISDN Port Pin outs Pin Description 1 Not used 2 Not used 3 Transmit 4...

Page 255: ...T port Figure B 7 10BASE T Port 1 8 MLO 008912 10BASE T Port Pin outs Table B 7 describes pin usage for the 10BASE T port Table B 7 10BASE T Port Pin outs Pin Description 1 Transmit 2 Transmit active...

Page 256: ...igure B 8 Audio Port 4 1 MLO 008612 Audio Port Pin outs Table B 8 describes pin usage for the audio port Table B 8 Audio Port Pin outs Pin Description 1 Audio in 2 Audio out 3 Audio out return 4 Audio...

Page 257: ...oduction This appendix is for users in the EEC who must attach nonshielded cables to their DEC 3000 Model 800 800S 900 AXP system In This Appendix This appendix covers EEC Installation Instructions fo...

Page 258: ...llowing ports which use MMJ connectors by using a pigtail ground wire ISDN port in Figure C 1 Alternate console printer port in Figure C 1 Attaching the Pigtail Grounding Wire To attach the pigtail gr...

Page 259: ...EEC Installation Instructions for Nonshielded Cables Figure C 1 Connecting a Pigtail Grounding Wire ISDN S3 MLO 010903 2 1 0 3 4 5 1 2 European Economic Community EEC Considerations C 3...

Page 260: ......

Page 261: ...part numbers consult your Digital sales representative Not all of the following documents are available in every country Check with your Digital sales representative for availability In This Appendix...

Page 262: ...V DEC 3000 Models 700 AXP and 900 AXP Service Upgrade Information Addendum EK FLSPC AD DEC 3000 Model 800 800S AXP Technical Summary EC N0094 51 OpenVMS AXP Factory Installed Software FIS User Informa...

Page 263: ...s TITLE ORDER NUMBER OpenVMS AXP Upgrade and Installation Manual AA PV6XA TE OpenVMS System Manager s Manual Essentials AA PV5MA TK OpenVMS System Manager s Manual Tuning Monitoring and Complex System...

Page 264: ...SF 1 AXP operating system user documentation Table D 4 User Documentation QA MT4AB GZ TITLE ORDER NUMBER Startup Documentation Subkit QA MT4AC GZ Guide to Installing DEC OSF 1 AA PS2DA TE Quick Refere...

Page 265: ...twork Software AA PS2GA TE Guide to Prestoserve AA PQT0A TE Guide to Software License Management AA PS2EA TE Guide to System Administration AA PS2RA TE Migration Documentation Subkit QA MT4AF GZ Syste...

Page 266: ......

Page 267: ...ns which is hosted within the DEC 3000 Model 800 800S 900 AXP system In This Appendix This appendix describes the appropriate installation information for the 54 21147 module and includes the followin...

Page 268: ...ata Rate Public Telecommunications Operators1 Electrical Physical BT Hull MCL 1 X 21bis V 24 V 28 ISO 2110 BS 6623 part1 1985 2400 bps 4800 bps 9600 bps 19200 bps Yes Yes Yes No Yes Yes Yes No Yes Yes...

Page 269: ...XP system to operate within the limits of the host power rating as shown in Table E 2 Table E 2 Module Power Nominal Voltage Minimum Voltage Volts Maximum Voltage Volts Maximum Input Current Amperage...

Page 270: ...nt parts If in doubt you should seek the advice of a telecommunications safety engineer Failure to install the 54 21147 module in accordance with these instructions will invalidate the approval Cleara...

Page 271: ...0 Up to 300 1The distances shown in parentheses apply in an uncontrolled environment where heat humidity and temperature may fluctuate Safety Status All interconnection points on this product are eit...

Page 272: ...orm to the British standard BS6623 parts 1 and 4 If the module is connected to the service with anything other than its own approved cables those cables must benefit from relevant general approval NS...

Page 273: ...data 15 Transmit clock 3 Receive data 16 Not used 4 Request to send 17 Receive clock 5 Clear to send 18 Not used 6 Data set ready 19 Not used 7 Ground 20 Date terminal ready 8 Carrier detect 21 Not us...

Page 274: ...l transmission characteristics of all other equipment must not have any material effect on the electrical conditions between the equipment and the digital circuit All other equipment must comprise onl...

Page 275: ...wo insulated conductors with no common covering Commonly known as twisted pair cable Compare with AUI Ethernet network and 10BASE2 Ethernet network accelerator A hardware graphics processor that produ...

Page 276: ...chronous transmission A type of communication in which data is transmitted at different time intervals Compare with synchronous communication AUI Attachment Unit Interface Ethernet network An IEEE sta...

Page 277: ...s a 0 or a 1 BIU See bus interface unit boot Short for bootstrap meaning to bring a device or system to a defined state where it can operate on its own boot or bootstrap device The memory storage devi...

Page 278: ...l information or external terminals and systems in a communications network bus interface unit Hardware designed to interface internal logic a module or a chip to a bus byte A group of eight contiguou...

Page 279: ...n electrodes in a semiconductor device See also bus checksum A sum of digits or bits that is used to verify the integrity of a piece of data CISC See complex instruction set computer client A piece of...

Page 280: ...ons The transmission of digital data from one point the source to another the receiver compact disc A removable flat circular plate used in the compact disc drive on which read only optical data is st...

Page 281: ...by user commands from the console terminal rather than indirectly through the operating system Console mode is in effect when the system is turned on and the operating system software has not been sta...

Page 282: ...ities between the computer operator and the console subsystem console terminal port The connector to which the console terminal cable is attached control and status register CSR A register inside the...

Page 283: ...smission The movement of data in the form of electrical signals along a communications line DECchip This CPU microprocessor chip is a CMOS superscalar dual instruction issue super pipelined implementa...

Page 284: ...See also window default A computer value or setting that is automatically in effect unless or until another value is specified There are some default values that you cannot override default recovery...

Page 285: ...a diskette is removable disk drive A device that holds a disk The drive contains mechanical components that spin the disk and move the read and write heads that store and read the information on the...

Page 286: ...movable media drive such as a compact disc and two 3 inch fixed drives such as the RZ family of drives dynamic random access memory DRAM Read write memory that must be refreshed read from or written t...

Page 287: ...l area network LAN or wide area network WAN that connects by coaxial cable multiple computers that are running a variety of network operating systems Ethernet transmits 10 megabits per second and does...

Page 288: ...st with EEPROM Fiber Distributed Data Interface FDDI An ANSI standard high speed network technology that uses fiber optics as the transmission medium FDDI employs a ring topology and operates up to 10...

Page 289: ...n the floor Compare with desktop pedestal and rackmount enclosure frame buffer An area of memory that contains a pixel level description of a displayed image The frame buffer is also used to refresh t...

Page 290: ...ipment mechanical and electrical that makes up a system Compare with software hexadecimal A numbering system using the base 16 that is a shorthand method for representing binary numbers Using this met...

Page 291: ...mputer Also a device or piece of software that allows a user to communicate with the system or allows the components of the system to communicate with each other internal cache Cache memory located in...

Page 292: ...s and files at higher speeds faster response times and lower costs than with telephone lines local area VMScluster system A type of configuration in which cluster communication is carried out over the...

Page 293: ...mmunications adapter loopback tests Diagnostic tests used to isolate a failure by testing segments of a particular control or data path magnetic tape A tape made of plastic and coated with magnetic ox...

Page 294: ...sure for recording the execution rate of a computer for example 0 5 MIPS is equal to 500 000 instructions per second miss A signal sent from the cache control logic to the CPU to indicate that a valid...

Page 295: ...that replicates the sequential computer and interconnects the collection so that each processor can execute the same or a different program at the same time multiprocessing system A system that execu...

Page 296: ...nnecting wires This box allows two devices that are designed to interact through modems to be locally connected NVRAM See nonvolatile random access memory online documentation Documents that can be re...

Page 297: ...that controls the operation of the system and allows users access to data files input output devices and application programs operating system mode The state in which the system console terminal is u...

Page 298: ...loor Contrast with desktop and rackmount enclosure peripheral device An internal or external device that provides the central processing unit CPU with additional memory storage or communication capabi...

Page 299: ...he DECchip CPU contains an instruction cache and a data cache See also cache memory Privileged Architecture Library PAL A set of software routines to implement architecturally defined behavior such as...

Page 300: ...le mode prompt A symbol or message displayed by a program or an operating system asking you to provide input puck A palm sized device that slides on a tablet s surface The puck and tablet together fun...

Page 301: ...y communication lines Compare with local remote console port The port that connects a remote access device to a system removable media drive A drive such as a compact disc drive tape drive or diskette...

Page 302: ...ID setting on a drive Each installed drive must have a unique setting for proper communication between the system and all drives SCSI switches Electrical switches on the side or back of some drives s...

Page 303: ...ory module Small Computer System Interface SCSI An ANSI standard interface designed for connecting disks and other peripheral devices to computer systems SCSI is used by many computer and peripheral v...

Page 304: ...ne without being connected to another computer standard Ethernet network See AUI Ethernet network Standard Performance Evaluation Corporation SPEC A nonprofit corporation formed to establish maintain...

Page 305: ...nication allows you to connect your system to others in one of two ways through a modem to a wide area network WAN or directly to another system through a null modem Compare with asynchronous communic...

Page 306: ...lds turns reads and writes on magnetic tape T connector A connector used to join 10BASE2 Ethernet cable sections terminal A device for entering information into a computer system and displaying it on...

Page 307: ...l and third party graphics multimedia and communications options The TURBOchannel module is a synchronous asymmetrical I O channel that connects option modules to the system module With this connectio...

Page 308: ...unctions of single node systems plus the ability to share CPU resources queues and disk storage volatile memory Memory from which values are lost when the system is turned off WAN See wide area networ...

Page 309: ...n to Compare with write protected write protected The condition that prevents a tape or diskette from being accidentally overwritten Compare with write enabled Z buffering An advanced graphics term fo...

Page 310: ......

Page 311: ...tion procedure 5 7 required cable 5 3 required terminator 5 3 10BASE T Ethernet network connection procedure 5 6 required cable 5 3 10BASE T port pinouts B 11 boot command 9 11 bootdef_dev variable 10...

Page 312: ...3 Cover lock system unit 3 19 4 12 Ctrl C 9 5 Ctrl O 9 5 Ctrl Q 9 5 Ctrl S 9 5 D DEC Open3D software 1 9 DEC OSF 1 AXP documentation server D 5 DEC OSF 1 AXP operating system 1 7 booting 9 11 general...

Page 313: ...8 Fast SCSI 1 5 fast_scsi_a b variable description 10 12 Field replaceable unit described 13 20 FIS See Factory installed software Front access door removing 8 6 FRU See Field replaceable unit FTZ ca...

Page 314: ...ay problems 13 9 13 22 13 24 Monitor video cable connecting 3 12 MOP protocol 9 10 10 7 Mouse problems 13 25 N Network labels use of 5 2 Networks booting from 13 28 connecting to 10BASE2 ThinWire 5 7...

Page 315: ...ion on 1 8 Program mode 9 3 returning from console mode 7 9 PTT network user special information E 1 PTT requirements E 1 R Removing front access door 8 6 S SCSI 1 1 5 SCSI 2 1 5 SCSI devices duplicat...

Page 316: ...9 System configuration unpacking 2 11 System features audio 1 11 available options 1 12 System features cont d dimensions 2 2 for server 1 2 for workstation 1 2 graphics capabilities 1 9 highlights 1...

Page 317: ...See PTT Network Users E 1 Universal strain relief strap connecting 3 8 Unpacking checking contents 2 8 two people required 2 8 2 11 W Workstation configuration installation overview 3 4 steps to inst...

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