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Data General AViiON 5500 Series Installing, Expanding, And Maintaining

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Customer Documentation
Installing, Expanding,
and Maintaining
AViiON 5500 and 550
Series Computers
014–002250–01
P R O D U C T
L I N E

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  • Page 1 Customer Documentation Installing, Expanding, and Maintaining AViiON 5500 and 550 Series Computers 014–002250–01 P R O D U C T L I N E...
  • Page 3 Installing, Expanding, and Maintaining AViiON 5500 and 550 Series Computers 014–002250–01 Copyright Data General Corporation, 1993, 1994 All Rights Reserved Printed in the United States of America Rev. 01, February 1994 Ordering No. 014–002250...
  • Page 4 Notice DATA GENERAL CORPORATION (DGC) HAS PREPARED THIS DOCUMENT FOR USE BY DGC PERSONNEL, CUSTOMERS, AND PROSPECTIVE CUSTOMERS. THE INFORMATION CONTAINED HEREIN SHALL NOT BE REPRODUCED IN WHOLE OR IN PART WITHOUT DGC’S PRIOR WRITTEN APPROVAL. DGC reserves the right to make changes in specifications and other information contained in this document without prior notice, and the reader should in all cases consult DGC to determine whether any such changes have been made.
  • Page 5 NOTE This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment.
  • Page 7 About this manual This manual covers a hardware installation sequence that ends with you ready to install your system software; it describes how to unpack, set up, and start a basic AViiON 550 or AViiON 5500 series computer system. For sites that need to customize their mass–storage configuration, a separate chapter explains how.
  • Page 8 Related Data General manuals Chapter 3 Describes how to configure a Small Computer System Interface (SCSI) bus. Includes default and recommended SCSI identification numbers, terminating rules, and cabling restrictions. Also provides worksheets for planning your SCSI configuration, and instructions for connecting external SCSI devices and subsystems to the computer unit.
  • Page 9 Related Data General manuals Hardware diagnostics manual Using AViiON Diagnostics and the AV/Alert Diagnostic Support System (014–002183). Describes diagnostic products available for all AViiON computers. Provides steps for enabling and operating the AV/Alert system, and for using the utilities of the stand-alone AViiON System Diagnostics and online DG/UX Service Manager.
  • Page 10 Explains how to make the physical tapes accessible to DG/UX. Readers, please note: Data General manuals use certain symbols and styles of type to indicate different meanings. The Data General symbol and typeface conventions used in this manual are defined in the following list.
  • Page 11 Contacting Data General Contacting Data General Data General wants to assist you in any way it can to help you use its products. Please feel free to contact the company as outlined below. Manuals If you require additional manuals, please use the enclosed TIPS order form (United States only) or contact your local Data General sales representative.
  • Page 12 Joining our users group 014–002250–01...

  • Page 13: Table Of Contents

    1-16 Chapter 2 – Setting up the computer unit Connecting the system console (AViiON 5500 series) ......
  • Page 14 Contents Installing external SCSI devices ......... . Connecting an external SCSI bus cable to the computer unit .
  • Page 15 Contents Chapter 8 – Replacing the system board Removing the system board ..........Preparing a replacement system board .
  • Page 16 Contents Tables Table 1–1 AViiON 5500 and 550 series control switches ......1–2 AViiON 5500 and 550 series connectors .
  • Page 17 ....... 1–4 AViiON 5500 series rear panel and connectors ......
  • Page 18 Contents Figure 5–1 Internal drive slots ..........5–2 Removing the drive SCSI bus and power cables .
  • Page 19 Contents Figure 8–1 AViiON 5500 and 550 series system board and mounted components . . . 8–2 Unplugging cables from the system board ......8–3 Unscrewing the main system board screws .
  • Page 20 Contents Figure A–1 Asynchronous serial connector pin numbering and cable signal routing A–2 Synchronous serial port connector signals ......A–3 Printer connector pin numbering and cable signal routing .

  • Page 21: Chapter 1 - Getting Started

    Figure 1–1 illustrates the deskside computer unit common to both models, the AViiON 5500 series system console, and the color graphics monitor, IBM PC AT -style keyboard, and mouse device that distinguish an AViiON 550 series workstation.

  • Page 22: Base System Components

    Two I/O expansion bus slots for optional SCSI or LAN expansion boards. VMEbus standard backplane printed-circuit board. AViiON 5500 series systems include a modem for the AV/Alert service. They require an asynchronous terminal and keyboard to serve as a system console.

  • Page 23: Internal Options

    About AViiON 5500 and 550 series computers Internal options In addition to the basic components listed in the previous section, your system might include some of the following options housed within the computer unit: System bus options A 40-Mhz expansion CPU/CMMU complex board. 4-Mbyte, 16-Mbyte, or 32-Mbyte SIMMs, 32-Mbytes minimum to 256-Mbytes system maximum.

  • Page 24: External Mass-Storage Options

    About AViiON 5500 and 550 series computers Internal mass-storage drives The internal SCSI-2 bus supports up to five of the following mass-storage drives housed internally: One 5.25-inch removable-media device: 320/525-Mbyte quarter-inch cartridge (QIC) SCSI tape drive 600-Mbyte CD-ROM drive One to four 3.5-inch devices (maximum of one removable-media drive): 1.44-Mbyte diskette drive 4mm digital audio tape (DAT)

  • Page 25: About The System Console

    AViiON 5500 series (asynchronous terminal) Any asynchronous terminal with a keyboard, an ASCII character set, and an RS-232-C interface can serve as the system console for AViiON 5500 series computers.

  • Page 26: About The Keyboard And Mouse (Aviion 550 Series)

    IMPORTANT: You need a terminal that conforms to ANSI standard X3.64 (1977) to support a UNIX screen editor. Those terminals that conform to the standard include Data General terminals with ANSI mode, and any terminal that emulates a VT100 or VT220 terminal.

  • Page 27: Control Switches

    About AViiON 5500 and 550 series computers Control switches Table 1–1 describes the control switches on the front and rear panels of the computer unit, illustrated in Figure 1–3. Table 1–1 AViiON 5500 and 550 series control switches Switch Description Power Front panel button switch.

  • Page 28: Aviion 5500 And 550 Series Connectors

    Extends the integrated SCSI-2 bus outside the computer chassis via cable. Figure 1–4 illustrates the rear panel connectors to I/O ports for AViiON 5500 series systems; Figure 1–5 illustrates I/O port connectors for AViiON 550 series systems. Refer to Chapter 2 for information about installing devices using any of the rear panel connectors.

  • Page 29: Aviion 5500 Series Rear Panel And Connectors

    (optional) Synchronous device connector SYNC Parallel printer connector Figure 1–4 AViiON 5500 series rear panel and connectors IMPORTANT: For information about connecting devices to VMEbus options, refer to Setting Up and Installing VMEbus Options in AViiON Systems. 014–002250–01...

  • Page 30: Aviion 550 Series Rear Panel And Connectors

    About AViiON 5500 and 550 series computers 8-bit graphics Ethernet LAN connector (integrated) Second asynchronous First asynchronous serial serial device connector device connector (SERVICE (OP CON RS-232 RS-232 –B– –A– Integrated SCSI Third asynchronous bus connector serial device connector (Terminator or RS-232 external cable –C–...

  • Page 31: Before You Start

    Before you start Before you start Before setting up your system, you need to prepare a site, unpack and inspect your equipment, confirm that the computer unit voltage is correct for your site, and gather the appropriate documentation and materials. The following sections describe what you need to do before setting up your new computer system.

  • Page 32: Power Cord Voltage

    Make sure that the model and/or part numbers on the packing slip match those on your equipment. If you think you received the wrong equipment, contact Data General as described in the Preface. 3. Verify that the voltage for the power cords you received is appropriate for your site by examining their model numbers, as seen in Table 1–3.

  • Page 33: Language Suffixes For Keyboard Part Numbers

    Swedish/Finnish Katakana AX (AT-compatible). Supports Katakana and Kanji Swiss If you think you received the wrong keyboard, contact Data General as described in the Preface. 5. Make sure that you have all of the cables listed on your packing slip; then, create a cable inventory for your system. Cables may be together in one accessories box or packaged separately with the device.

  • Page 34: Aviion 5500 And 550 Series Peripheral Device Cables

    Before you start Table 1–5 AViiON 5500 and 550 series peripheral device cables Cable Description Part # Model # Illustration AViiON 5500 only: System console EIA RS-232 male to male DB25 to DB25 25 ft. 005-34991 15340E025 AV/Alert modem EIA RS-232 male to male DB25 to DB25, 10 ft.
  • Page 35 Before you start Table 1–5 AViiON 5500 and 550 series peripheral device cables Cable Description Part # Model # Illustration Integrated SCSI bus 50-pin P&S to CHAMP 5-ft 005-39718 15396E005 10-ft 005-39719 15396E030 (50-line male CHAMP to Expansion SCSI bus (narrow) 50-pin male P&S) 68-pin to 50-pin adapter 005-39975...

  • Page 36: Gathering Documentation And Media

    Before you start Gathering documentation and media The Installation Roadmap brochure outlines the path we recommend that you follow through the installation documentation. The Guide to AViiON and DG/UX System Documentation contains a list and description of all the documentation available for your computer system.

  • Page 37: Chapter 2 - Setting Up The Computer Unit

    Where you need additional information, sections of this chapter refer you to appropriate Data General manuals. IMPORTANT: If your system includes VMEbus distributed controllers, you will need the manual Setting Up and Installing VMEbus Options in AViiON Systems to complete your installation.

  • Page 38: Connecting The System Console (Aviion 5500 Series)

    Any asynchronous terminal with an ANSI–standard character set and an RS–232–C interface can serve as the system console for AViiON 5500 series computers. However, for full functionality in a UNIX environment, the terminal must emulate a VT100 or VT220 terminal.

  • Page 39: Connecting The System Console

    Connecting the system console (AViiON 5500 series) RS-232 –A– OP CON Cable screw Cable screw Computer Unit Rear Panel Figure 2–1 Connecting the system console 4. Secure the other end of the terminal cable to the RS–232 connector on the back of the terminal. Often, the terminal connector is labeled HOST.

  • Page 40: Connecting The Graphics Monitor (Aviion 550)

    Connecting the graphics monitor (AViiON 550) Connecting the graphics monitor (AViiON 550) This section describes how to connect a color graphics monitor to your AViiON 550 series computer unit. AViiON 550 workstations use the following cabling to connect a monitor to the computer unit: Ac Power Cord (See Table 1–3 in Chapter 1 for the model numbers that match your site’s voltage.)

  • Page 41: Connecting The Color Monitor

    Connecting the graphics monitor (AViiON 550) Monitor (rear view) R G B Computer Unit Rear Panel Figure 2–3 Connecting the color monitor IMPORTANT: Turn the ends of the BNC cables clockwise to lock them in place. 3. Plug the holes in the other end of the monitor cable into the graphics board connector pins on the back of the computer unit.

  • Page 42: Connecting The Keyboard (Aviion 550)

    Connecting the keyboard (AViiON 550) Connecting the keyboard (AViiON 550) You receive an extension cable to connect the keyboard to the AViiON 550 series computer unit. 8–pin male to 8–pin female DIN 6–foot extension cable – DGC part number 005–035146 Follow these steps to connect the keyboard to the computer unit.

  • Page 43: Connecting The Mouse (Aviion 550)

    Connecting the mouse (AViiON 550) Connecting the mouse (AViiON 550) A three–button optical/mechanical mouse is part of the AViiON 550 series workstation. Follow these steps to connect the mouse to the computer unit. Reverse the order of these instructions to remove a faulty mouse in order to replace it.

  • Page 44: Connecting A Local Area Network Cable

    Connecting a local area network cable Connecting a local area network cable If your computer system will be part of an Ethernet local area network (LAN), you must connect the LAN transceiver cable to the integrated computer unit LAN connector. The steps in this section assume that the LAN drop cable is already installed and the male end of the cable is within reach of your computer unit.

  • Page 45: Connecting The Lan Transceiver Cable To The Computer Unit

    Connecting a local area network cable Computer Unit Rear Panel Figure 2–6 Connecting the LAN transceiver cable to the computer unit 2. Unlock the slide clip on the computer unit connector as shown in Figure 2–7(A). Line up the slide clip on the connector so that the clip mounts on the cable can pass through, as seen in Figure 2–7(B).

  • Page 46: Connecting An Av/Alert Modem (Aviion 5500) And Other

    Connecting an AV/Alert modem (AViiON 5500) and other asynchronous serial devices Connecting an AV/Alert modem (AViiON 5500) and other asynchronous serial devices This section describes how to connect an asynchronous device (such as a serial modem, scanner, plotter, or printer) to the second (–B–) and third (–C–) rear panel RS–232 serial port connectors.

  • Page 47: Connecting Asynchronous Devices To The Computer Unit Serial Ports

    Connecting an AV/Alert modem (AViiON 5500) and other asynchronous serial devices Complete the following steps to connect the AV/Alert modem or other asynchronous device option. Reverse these steps to remove or replace an asynchronous device. You will need a small, flat–blade screwdriver or similar tool. 1.
  • Page 48 Connecting an AV/Alert modem (AViiON 5500) and other asynchronous serial devices 4. Configure your device to select appropriate operating characteristics, as described in documentation that came with the device. Initially, both your firmware and the DG/UX operating system require that the devices connected to the asynchronous ports have the following characteristics (applied to all three asynchronous ports prior to shipment): 2400 baud...

  • Page 49: Connecting Synchronous Devices

    Connecting synchronous devices Connecting synchronous devices This section describes how to connect a synchronous device (such as a modem) to the communications port labeled SYNC. You’ll need one of the following male-to-male 25–pin cables and a small, flat–blade screwdriver or similar tool: Synchronous Devices Cable or Cord Type Part Number Model Number...

  • Page 50: Connecting A Parallel Printer

    Connecting a parallel printer Connecting a parallel printer This section describes how to connect a parallel printer with a Centronics LPT1 interface. You’ll need one of the following 25–pin to 36–position cables to connect a parallel printer to the rear panel connector, plus a small, flat–blade screwdriver or similar tool.

  • Page 51: Connecting Vme Devices

    Connecting VME devices Connecting VME devices Figure 2–11 shows the location of the VMEbus card cage on the computer unit rear panel. Refer to Setting UP and Installing VMEbus Options in AViiON Systems for information on connecting external devices to your system’s VMEbus option boards.

  • Page 52: Terminating Or Extending The Internal Scsi Bus

    Terminating or extending the internal SCSI bus Terminating or extending the internal SCSI bus Each base (standard) model AViiON 5500 and 550 series computer includes one SCSI–2 bus controller. This controller supports all internal drives, plus, optionally, a limited number of external SCSI devices.

  • Page 53: Extending The Integrated Scsi Bus

    Terminating or extending the internal SCSI bus Computer Unit Rear Panel Figure 2–12 Installing the SCSI bus terminator plug Extending the integrated SCSI bus This section describes how to connect a cable for external SCSI devices (storage subsystems or stand–alone drives) on the integrated SCSI bus.

  • Page 54: Connecting External Cabling To The Internal Scsi Bus Connector

    Terminating or extending the internal SCSI bus 2. Remove the terminator from the internal SCSI bus connector. To remove a terminator, simply reverse the process illustrated in Figure 2–12. Gently loosen the thumbscrews and pull the terminator out of the rear panel connector. 3.

  • Page 55: Connecting The Computer Unit Power Cord

    Connecting the computer unit power cord Connecting the computer unit power cord After you have assembled your computer system, use these steps to connect the computer unit power cord to an ac outlet, completing your set up procedures. Reverse the order of these steps to disconnect the computer unit power cord.

  • Page 56: Where To Go Next

    Where to go next Where to go next Now that you have set up your computer system hardware, you can: Continue with the manual Operating AViiON 5500 and 550 Series Computers to: ensure that your computer system starts properly become familiar with powerup procedures verify that the computer system hardware passes all powerup diagnostic tests Or, you can:...

  • Page 57: Scsi Bus

    Setting up and configuring a SCSI bus This chapter describes how to plan and configure a Small Computer System Interface (SCSI) bus for AViiON 5500 and 550 series systems. In addition to instructions for connecting external SCSI–based devices, this chapter includes the following: default and recommended SCSI identification numbers operating parameters for a SCSI bus and individual drives operating parameters for individual drives...

  • Page 58: About Scsi I/O Bus Support

    About SCSI I/O bus support Some notes The AViiON 5500 and 550 SCSI interfaces support both SCSI–2 about and SCSI–1 devices. References in this manual to “SCSI” apply terminology. to both the SCSI–1 and SCSI–2 specification. This chapter refers to the microprocessors that manage individual SCSI buses as controllers.

  • Page 59: Location Of Scsi Bus Connectors

    About SCSI I/O bus support Fourth SCSI bus connector ncsc(3) Fifth SCSI bus connector ncsc(4) Second expansion slot First SCSI bus connector ncsc(0) (Internal bus – all configurations) Second SCSI bus connector ncsc(1) First expansion slot Third SCSI bus connector ncsc(2) Computer unit rear panel Figure 3–1...

  • Page 60: Planning A Scsi Bus Configuration

    Planning a SCSI bus configuration Planning a SCSI bus configuration You should carefully plan your entire SCSI bus configuration before you begin setting up the devices. Make sure that your system adheres to the SCSI device identification, cable, and bus termination rules given in this section.

  • Page 61: Identifying Scsi Drives

    Planning a SCSI bus configuration Optional SCSI adapter board expansion controllers An optional SCSI I/O expansion board contains two additional SCSI controllers and connectors for external devices. You can configure both controllers for either single–ended or differential operation. None of the bus length for these controllers resides within the AViiON 5500 or 550 series computer.
  • Page 62 Planning a SCSI bus configuration SCSI ID assignments do not need to reflect the physical positioning of devices along the SCSI bus; a drive at the physical end of the bus can have a higher or lower device identification number than another drive closer to the SCSI controller.

  • Page 63: Preparing Drives

    Planning a SCSI bus configuration Table 3–1 Recommended SCSI IDs, controller numbers, and default device names Drive SCSI ID Controller # Device name * First disk on first SCSI bus sd(ncsc(0,7),0) (system, or root disk) First disk on second bus sd(ncsc(1,7),0) Second disk on first bus sd(ncsc(0,7),1)
  • Page 64 Planning a SCSI bus configuration The following steps outline how to prepare a SCSI drive for installation. IMPORTANT: For device-specific information about setting the SCSI jumpers/switches and removing the terminator resistors, refer to the list of drive installation manuals in the Guide to AViiON DG/UX System Documentation.

  • Page 65: Installing External Scsi Devices

    Installing external SCSI devices Installing external SCSI devices Review the previous sections for guidelines on planning and configuring a SCSI bus. This section describes how to connect devices to a SCSI bus that is already set up and configured. Subsections describe how to do the following: Connect a SCSI bus cable to the computer unit chassis.
  • Page 66 Installing external SCSI devices For an expansion bus, use a 68–pin P&S cable: Cables for a single–ended expansion bus: 2.5-ft cable/adapter 005-39975 (68-pin male P&S to 50-pin female P&S) Part Number Model Number 5-ft cable 005-39718 15396E005 10-ft cable 005-39719 15396E010 (50-line male CHAMP to 50-pin male P&S) Cables for a differential expansion bus:...

  • Page 67: Connecting Cabling To Internal Scsi Bus Connector

    Installing external SCSI devices IMPORTANT: For expansion IOC boards, be sure to use the appropriate cabling for a single–ended or differential bus interface. Do not attempt to use single–ended devices or terminators on a differential bus, or vice–versa. Each expansion SCSI controller is labeled Singled Ended or Differential (inside the machine, on the printed–circuit board).

  • Page 68: Connecting Together Additional External Scsi Devices

    Installing external SCSI devices Expansion SCSI bus connection If your system does not include SCSI I/O expansion board, these slots do not contain SCSI connectors. Computer Unit Rear Panel Figure 3–3 Connecting cabling to expansion SCSI bus connectors 4. Tighten the cable screws with your fingers to secure the cable connection.

  • Page 69: Terminating A Scsi Bus

    Recording your SCSI configuration Terminating a SCSI bus If the integrated SCSI bus does not include external storage subsystems or stand–alone devices, you must terminate the bus at its rear panel connector. (Internal tape and disk drives will not operate correctly unless the bus is properly terminated.) IMPORTANT: In most cases, your computer is shipped with a SCSI bus terminator (DGC part number 111–3468) already installed in the integrated SCSI rear panel connector.

  • Page 70: Sample Scsi Configuration

    Recording your SCSI configuration Internal CD ROM drive AViiON 5500 SCSI ID 3 (front view) Internal DAT drive SCSI ID 4 Internal disk drive SCSI ID 0 AViiON 5500 (rear view) Singled–ended expansion bus < 6 m (19.65 feet) Disk drive Tape drive SCSI ID 1 SCSI ID 4...

  • Page 71: Sample Configuration Worksheet (Integrated Bus)

    Recording your SCSI configuration As seen in Figure 3–4, the integrated SCSI bus contains three internal drives and an external peripheral housing unit (PHU) with two drives installed. Controller/bus number 0 (integrated controller) Internal Drives Slot (top to bottom) Drive description SCSI ID Cable Length 600–Mbyte CD–ROM...

  • Page 72: Sample Configuration Worksheet (Expansion Buses)

    Recording your SCSI configuration As seen in Figure 3–4, the sample configuration contains one expansion SCSI I/O adapter board; this board provides two expansion SCSI buses. Figure 3–6 records the expansion configuration. Worksheet: Expansion SCSI bus configuration Expansion SCSI I/O adapter board: first second Single–ended bus...

  • Page 73: Scsi Configuration Worksheet: Integrated Scsi Bus

    Recording your SCSI configuration SCSI Configuration Worksheet: Integrated SCSI Bus Controller/bus number 0 (integrated controller) Internal Drives Slot (top to bottom) Drive description SCSI ID Cable Length External Drives (external connector, integrated bus) Total Cable Length 3-17 014–002250–01...

  • Page 74: Scsi Configuration Worksheet: Expansion Bus(Es)

    Recording your SCSI configuration SCSI Configuration Worksheet: Expansion Bus(es) Expansion SCSI I/O adapter board: first second Single–ended bus Expansion controller/bus number: ____ Differential bus SCSI ID Cable Length Description (subsystem, drive, external cable) Total Cable Length Single–ended bus Expansion controller/bus number: ____ Differential bus Drive description (subsystem, drive, external cable) SCSI ID...

  • Page 75: Chapter 4 - Expanding And Maintaining Computer Hardware

    Expanding and maintaining computer hardware This chapter contains procedures you should perform whenever you open your computer chassis. The first major section in this chapter, “Maintaining your system,” outlines what you should do if a problem occurs with your system hardware, and describes periodic maintenance required to keep the system operating properly.

  • Page 76: Replacing Crus

    Maintaining your system If you cannot resolve the problem yourself, contact Data General as described in the Preface. If the Data General Service Center determines that a CRU needs replacement, they will send the new part. Replacing CRUs The cables and devices listed in Chapter 2 are external CRUs. You replace an external CRU by disconnecting and reconnecting one or more cables.

  • Page 77: Periodic Care

    Maintaining your system Periodic care At one–year intervals, you should examine and thoroughly clean the fan/airflow screen located at the bottom of the computer unit chassis, as seen in Figure 4–1. Ä Ä Ä Ä Ä Ä Ä Ä Ä Ä...

  • Page 78: Avoiding Electrostatic Discharge (Esd) Damage

    Use an ESD kit when handling circuit boards or when touching the electronic circuits inside the equipment. If you don’t have an ESD kit, you can order one from Data General. If an emergency arises and an ESD kit is not available, follow the procedures in the “Emergency Procedures (without an ESD kit)”...

  • Page 79: Emergency Procedures (Without An Esd Kit)

    When you are ready again to install the subassembly repeat these procedures. Order an ESD kit from Data General for the next time you need to add or remove a cover or panel. 014–002250–01...

  • Page 80: Planning A New Configuration

    1. Review the options listed in Chapter 1 and in Appendix A to determine whether your system supports the configuration you want. Contact your Data General sales representative if there are any questions, and for up–to–date information about available options.

  • Page 81: Opening And Closing The Computer Unit

    Opening and closing the computer unit Opening and closing the computer unit To remove or install a device inside the computer, you must remove the cover from the housing. CAUTION: Make sure you have read and understand the “Avoiding Electrostatic Discharge (ESD) Damage” section of this chapter before you open the computer unit.

  • Page 82: Loosening The Back Cover Fastener

    Opening and closing the computer unit Figure 4–2 Loosening the back cover fastener 5. Lift the cover away from the computer as shown in Figure 4–3. Figure 4–3 Removing the chassis cover 014–002250–01...

  • Page 83: Attaching The Esd Wrist Strap And Clip

    Opening and closing the computer unit 6. Put on the ESD wrist strap and attach the ESD clip to any unpainted metal surface of the chassis as shown in Figure 4–4. ESD wrist strap ESD clip Figure 4–4 Attaching the ESD wrist strap and clip 014–002250–01...

  • Page 84: Installing The Chassis Cover

    Opening and closing the computer unit Installing the chassis cover Complete these steps to reinstall the computer unit’s cover. 1. Remove the ESD clip from the computer unit and take off the ESD wrist strap. Store the wrist strap in a safe place for future use. 2.

  • Page 85: Connecting The Computer Unit's Power Cord

    Opening and closing the computer unit Figure 4–6 Connecting the computer unit’s power cord 8. Plug the other end of the power cord into the installation site’s ac power outlet. End of Chapter 4-11 014–002250–01...
  • Page 86 Opening and closing the computer unit 4-12 014–002250–01...

  • Page 87: Chapter 5 - Adding Or Replacing Internal Mass-Storage Devices

    Adding or replacing internal mass–storage devices This chapter describes how to install new mass–storage drive options such as fixed disks, tape drives, diskette drives, or CD-ROM drives inside your AViiON 550 or 5500 computer unit. This chapter also provides directions for replacing failed internal mass–storage devices.
  • Page 88 Mass–storage device locations Slot 1: 5.25–inch removeable media Slot 2: 3.5–inch removeable media or fixed disk Fixed disks (internal) Slot 3 Slot 4 Slot 5 Figure 5–1 Internal drive slots To add a new internal drive option, you need to perform the following tasks: 1.

  • Page 89: Removing A Drive Assembly

    Removing a drive assembly Removing a drive assembly Before you can remove a drive assembly, remove the computer unit cover and attach the ESD wrist strap as described in Chapter 4, “Expanding and Maintaining Your Computer System.” CAUTION: Unless you are properly grounded, you can discharge static electricity and damage components in the system.
  • Page 90 Removing a drive assembly 2. Release the drive’s mounting lock by pulling the metal tab to clear the slide mount, as shown in Figure 5–3. Mounting lock Slide mount (released) Front of drive Figure 5–3 Releasing the drive mounting lock 3.

  • Page 91: Installing A Drive Assembly

    Installing a drive assembly Installing a drive assembly To install a new or replacement drive, prepare the drive, attach mounting hardware, and install the drive as described in the subsections below. Preparing a new drive You received with your drive special mounting hardware for AViiON 550 and 5500 series computers.

  • Page 92: Completing The Drive Assembly Installation

    Installing a drive assembly 2. If you are installing a drive with removable media (such as tape or CD–ROM), look at the computer unit’s front panel. If the slot where you are installing the drive has a plastic filler panel, remove the panel by pulling it away from the computer chassis.
  • Page 93 Installing a drive assembly 2. Align the slide mounts on the drive assembly with the holes in the computer unit frame; then, slide the drive into its slot as shown in Figure 5–7. Figure 5–8 Installing a drive assembly in the computer unit 3.
  • Page 94 Installing a drive assembly 4. Figure 5–10 illustrates the system’s drive power cables and internal bus ribbon cable. Locate the power cable and bus connector with the best reach to the new drive’s slot. The power cables are numbered (PS4–PS8). SCSI bus ribbon cable Slot 1 (not shown)
  • Page 95 Installing a drive assembly 5. Plug a drive power cable and SCSI bus cable connector firmly into the power and SCSI bus connectors on the drive, as seen in Figure 5–11. For information on the drive connector locations, refer to the manual for installing the drive. IMPORTANT: You can plug the cables in only one way: the connector on the power cable has beveled edges to match the power connector on the drive;...
  • Page 96 Installing a drive assembly 5-10 014–002250–01...

  • Page 97: Chapter 6 - Adding Or Replacing Memory Modules

    Adding or replacing memory modules This chapter gives rules for installing memory modules and explains how to add a new memory module or replace a failed one. You will need to remove memory modules to replace failed memory modules, or to replace a failed system board. AViiON 5500 and 550 series computer systems contain connectors for four to twelve industry–standard Single In–Line Memory Modules (SIMMs);...
  • Page 98 Each memory module mounts in a connector on the system board. There are three banks of four modules each, as shown in Figures 6–1 and 6–2. System board memory module connectors SIMM modules installed in first bank (Bank 0) É É É É...

  • Page 99: Rules For Installing Memory Modules

    Rules for installing memory modules Rules for installing memory modules When you install memory modules, you must follow the configuration and installation rules in this section. There are three banks of four SIMM connectors. The connectors are grouped in clusters of three (one cluster for each bank). Figure 6–2 shows the numbering scheme and labeling for AViiON 5500 and 550 series memory connectors on the system board.

  • Page 100: Valid Configurations Of 4-, 16-, And 32-Megabyte Memory Modules

    Rules for installing memory modules Table 6–2 Valid configurations of 4–, 16–, and 32–megabyte memory modules Mbyte Bank 0 Bank 1 Bank 2 SIMM 0 SIMM 1 SIMM 2 SIMM 3 SIMM 0 SIMM 1 SIMM 2 SIMM 3 SIMM 0 SIMM 1 SIMM 2 SIMM 3...

  • Page 101: Removing Memory Modules

    Removing memory modules Removing memory modules Before you can remove any memory modules, you must remove the computer unit cover and attach the ESD wrist strap as described in the “Opening the Computer Unit” section of Chapter 4. CAUTION: Unless you are properly grounded, you can discharge static electricity and damage components in the system.
  • Page 102 3. Do one of the following: If you removed a failed memory module, insert it in an antistatic bag and return it to Data General. Contact the Customer Support Center, as described in the Preface, for information on returning the faulty part.

  • Page 103: Installing Memory Modules

    Installing memory modules Installing memory modules Before you can install any memory modules, you must remove the computer unit cover and attach the ESD wrist strap as described in Chapter 4, “Expanding and maintaining your computer.” When installing add–on memory modules begin by installing the memory module in the lowest numbered open bank.
  • Page 104 Installing memory modules 4. Gently push on the module until it is perpendicular to the system board, as shown in Figure 6–6. You hear and feel a click as each connector tab locks into place. 5. Be sure the locking tabs on both sides of the SIMM connector are securely in place, as seen in Figure 6–7.

  • Page 105: Chapter 7 - Adding Or Replacing System Board Options

    Adding or replacing system board options This chapter contains instructions for adding or replacing printed–circuit board options that attach directly to the AViiON 5500 or 550 series system board. Depending on its configuration, your system might include the following system board options: a second CPU complex one or two Input/Output (I/O) expansion boards (SCSI and/or LAN) one 8–...

  • Page 106: Removing A Cpu Expansion Board

    Adding or replacing a second CPU If you are replacing a failed CPU expansion or system board, continue with the next section. If you are adding or reinstalling a CPU expansion, skip the next section and continue with the section, “Installing a CPU expansion board.”...

  • Page 107: Installing A Cpu Expansion Board

    3. Pull the CPU expansion board away and place it in an antistatic bag. If you are replacing the CPU expansion board, insert it in an antistatic bag and return it to Data General. Contact the Customer Support Center, as described in the Preface, for information on returning the faulty part.
  • Page 108 Adding or replacing a second CPU System board Interboard connector É É É É É É É É É É É É É É É É É expansion É É É É É É É É É É É É É É É...

  • Page 109: Adding Or Replacing An I/O Expansion Board

    Your base system includes one Small Computer System Interface (SCSI) controller and one Ethernet LAN controller integrated on the system board. AViiON 5500 series computers contain slots for one or two I/O option boards that contain additional LAN or SCSI controllers.
  • Page 110 Adding or replacing an I/O expansion board To remove an I/O expansion board, complete the following steps. You will need a medium Phillips screwdriver. 1. Disconnect external cables attached to the expansion LAN or SCSI connectors as described in Chapter 2. Figure 7–5 illustrates the two option slot locations.
  • Page 111 “Installing an I/O expansion board.” If you removed a failed board, insert it in an antistatic bag and return it to Data General. Contact the Customer Support Center, as described in the Preface, for information on returning the faulty part.

  • Page 112: Installing An I/O Expansion Board

    Adding or replacing an I/O expansion board Installing an I/O expansion board Before you can install an I/O expansion board, you must prepare your worksite, remove the computer unit cover, and attach the ESD wrist strap as described in Chapter 4, “Expanding and maintaining your computer system.”...
  • Page 113 Adding or replacing an I/O expansion board 2. Carefully remove the option board from its package. Save the antistatic shipping bag and packing materials to use if you have to return the option board. CAUTION: If you need to set the option board down, put it back inside the antistatic shipping bag.
  • Page 114 Adding or replacing an I/O expansion board Complete steps 4 through 6 to change the default configuration. 4. Remove logic board(s) from the interboard connectors on a SCSI expansion board as follows: a. Grasping the logic board as shown in Figure 7–10 (a), pull up on the bottom edge of the logic board and gently rock the board vertically to loosen its connection.
  • Page 115 Adding or replacing an I/O expansion board 5. Reposition the logic board(s) to support single–ended or differential operation. (Use Figure 7–9 to determine appropriate positioning of the SCSI logic boards for your configuration.) 6. Reconnect each logic board onto the set of two sets interboard connectors on the SCSI expansion board.
  • Page 116 Adding or replacing an I/O expansion board 7. Position the expansion board so that its external I/O connectors fit inside the opening in the computer unit bulkhead, as seen in Figure 7–12. External I/O connector Computer bulkhead Expansion board opening bracket External I/O connectors...
  • Page 117 Adding or replacing an I/O expansion board 8. Align the interboard connectors on the system board and on the expansion board, as seen in Figure 7–13. Press the interboard connectors together to create a firm connection. If you cannot press the connectors together easily, make sure that the connectors are aligned correctly;...
  • Page 118 Adding or replacing an I/O expansion board 10. Align the expansion board brackets with the holes in the computer unit rear panel bulkhead; then, insert the two screws as shown in Figure 7–14. Computer unit rear panel Secure two screws. Figure 7–14 Securing the I/O expansion board to the computer unit bulkhead 11.

  • Page 119: Adding Or Replacing A Graphics Controller (550 Series)

    Adding or replacing a graphics controller (550 series) Adding or replacing a graphics controller (550 series) This section explains how to add a new or replace a failed graphics board in an AViiON 550 series computer unit. If your computer system has a graphics board, you will need to remove it to replace a failed system board.

  • Page 120: Removing A Graphics Controller

    Adding or replacing a graphics controller (550 series) Removing a graphics controller You will need to remove the graphics controller to replace a failed system board, or to replace the graphics board. Before you can remove the board, you must prepare a worksite, remove the computer unit cover, and attach the ESD wrist strap as described in Chapter 4.
  • Page 121 Adding or replacing a graphics controller (550 series) IMPORTANT: For steps 3 and 4, refer to Figure 7–17 if you have the 8–bit graphics board (standard configuration); refer to Figure 7–18 ilf you have the 24–bit board. 3. Remove the one screw that secures the graphics board to the system board.
  • Page 122 “Installing an I/O expansion board.” If you removed a failed board, insert it in an antistatic bag and return it to Data General. Contact the Customer Support Center, as described in the Preface, for information on returning the faulty part.

  • Page 123: Installing A Graphics Controller

    Adding or replacing a graphics controller (550 series) Installing a graphics controller Before you can install a graphics controller, you must prepare your worksite, remove the computer unit cover, and attach the ESD wrist strap as described in Chapter 4. CAUTION: Unless you are properly grounded, you can discharge static electricity and damage components in the system.
  • Page 124 Adding or replacing a graphics controller (550 series) 2. Carefully remove the graphics controller from its package. Save the antistatic shipping bag and packing materials to use if you have to return the board. CAUTION: If you need to set the board down, put it back inside the antistatic shipping bag.
  • Page 125 Adding or replacing a graphics controller (550 series) 24–bit graphics board É É É É É É É É É É É É É É É É É É É É É É É É É É É É É É É É É...
  • Page 126 Adding or replacing a graphics controller (550 series) 6. Align the graphics board bracket screw holes with the holes in the computer unit rear panel bulkhead; then, insert and secure the screws as shown in Figure 7–22. For an 8–bit graphics controller, there are two screws;...

  • Page 127: Chapter 8 - Replacing The System Board

    Replacing the system board This chapter describes how to replace a failed system board. The system board assembly does not include attached system components; to replace a system board assembly, you must remove the following option boards and install them on the replacement system board assembly: memory modules optional second CPU complex...

  • Page 128: Removing The System Board

    Removing the system board Removing the system board To remove the system board, follow the steps below. You will need a medium Phillips screwdriver, and a small flat–blade screwdriver or comparable tool. 1. Prepare your work site, remove the computer unit cover, and attach the ESD wrist strap, as described in Chapter 4.
  • Page 129 Removing the system board 4. Using the medium Phillips screwdriver, remove the four screws shown in Figure 8–3. Remove four screws. É É É É É É É É É É É É É É É É É É É É É É É...
  • Page 130 Removing the system board Remove two screws if no 2nd CPU option . É É É É É É É É É É É É É É É É É É É É É É É É É É É É...
  • Page 131 Removing the system board 8. Carefully pull the system board away from the computer unit’s metal chassis. CAUTION: To prevent damage to any components, be sure to grasp the system board by its edges and avoid bowing the board 9. Place the system board, with the component side facing up, on an ESD–free surface.

  • Page 132: Preparing A Replacement System Board

    Preparing a replacement system board Preparing a replacement system board Before you can install the new system board, you need to prepare your work site, remove the computer unit cover, and attach the ESD wrist strap as described in Chapter 4. Then, prepare the new system board for installation as described in this section.
  • Page 133 Preparing a replacement system board 4. Align the pins of the PROM component with the holes in the system board socket. Insert the PROM component into the socket, as shown in Figure 8–8. System board PROM component Figure 8–8 Installing the System ID PROM component 5.
  • Page 134 Preparing a replacement system board Indicates jumper installed Synchronous Indicates jumper removed operation jumpers: PROM component Indicates jumper stored P6 P5 P4 P3 Figure 8–9 Location and default configuration of AViiON 5500 and 550 series system board jumpers 6. Verify the position of Data Carrier Detect (DCD) jumpers for the asynchronous serial ports: P8, P9, and P2.
  • Page 135 P5. You may use any stored jumper (one that is attached to only one pin on a jumper location that should be empty). Contact your Data General representative if an unused jumper is not available. Before DG/UX 5.4R3.00...

  • Page 136: Installing The System Board

    Installing the system board Installing the system board Complete the following steps to install the system board. You will need a medium Phillips screwdriver. 1. Grasp the the system board at its top and bottom centers, as shown in Figure 8–11. Position your fingers just above and below the interboard connectors.
  • Page 137 Installing the system board Rear panel bulkhead Rear panel connectors É É É É É É É É É É É É É É É É É É É É É É É É É É É É É É É É É...
  • Page 138 Installing the system board 6. Using the medium Phillips screwdriver, secure the system board to the computer unit with the four screws shown in Figure 8–13. Install four screws. É É É É É É É É É É É É É...
  • Page 139 Installing the system board Install these two screw s if a second CPU option will NOT go here . É É É É É É É É É É É É É É É É É É É É É É...
  • Page 140 2 through 5 of this section. 11. Insert the failed system board in an antistatic bag, and return it to Data General. Contact the Customer Support Center, as described in the Preface, for information on returning the faulty part.

  • Page 141: Replacing The Fan Assembly

    Replacing the fan and the speaker/LED assembly This chapter explains how to remove and install a failed fan assembly, speaker, power switch/LED, and the power supply cable to these components. Replacing the fan assembly Before you can remove a failed fan assembly, you need to power down any peripherals and the computer unit and remove the computer unit cover as described in the “Opening and closing the computer unit”...

  • Page 142: Installing The Fan Assembly

    3. Slide the fan assembly out and down to disengage it from the computer unit. 4. Return the failed fan assembly to Data General. Contact the Customer Support Center, as described in the Preface, for information on returning the faulty part.
  • Page 143 Replacing the fan assembly Install two screws. É É É É É É É É É É É É É É É É É É É É É É É É É É É É É É É É Figure 9–3 Installing the fan assembly 2.
  • Page 144 Replacing the fan assembly 4. Reinstall the cover as described in the section, “Opening and closing the computer unit” in Chapter 4. After closing the computer unit, power up any storage subsystems, peripheral housing units, and other peripherals. Then start the computer unit according to the instructions in your hardware operating manual and your operating system software documentation.

  • Page 145: Replacing The Speaker/Led Assembly

    Replacing the speaker/LED assembly Replacing the speaker/LED assembly The front panel speaker and LED assembly are a combined unit; they share a power supply cable with the fan assembly. Before you can remove a failed speaker/LED assembly, you need to power down any peripherals and the computer unit and remove the computer unit cover as described in the “Opening and closing the computer unit”...
  • Page 146 Replacing the speaker/LED assembly 2. Grasping the LED wires from the inside of the chassis, pull the LED back through the hole in the metal chassis. 3. Re–attach the plastic LED cover and let the LED hang freely inside the computer chassis while you remove the rest of the assembly. 4.
  • Page 147 Replacing the speaker/LED assembly 6. Disconnect the fan power cable from its connector as shown in Figure 9–7. (Figure 9–6 shows the connector at a different angle.) Front view (cover off) Figure 9–7 Disconnecting the fan assembly power cable 7. Using a flathead screwdriver or comparable tool, press the plastic connector tabs on the fan assembly power connector until the connector fits through the hole in the metal chassis.
  • Page 148 Replacing the speaker/LED assembly 8. Pull the fan power supply connector out of the computer unit chassis, as seen in Figure 9–8. 9. Unplug the power supply cable for the speaker, LED, and fan from the connector on the system board, as shown in Figure 9–9. É...

  • Page 149: Chapter 10 - Replacing The Power Supply

    Replacing the power supply This chapter describes how to replace a failed power supply. WARNING: The inside of power supply contains high voltage that can be present even after the supply is disconnected from the ac power source. Never remove the cover of the power supply or attempt to service the power supply.
  • Page 150 Removing the power supply 2. Remove the power connectors from the rear of each installed disk or tape drive, as seen in Figure 10–2 (cables are numbered PS4–PS8). Left side view Power supply Drive power cable Push clips in to release con- nector Figure 10–2 Releasing the disk and tape power connectors 10-2...
  • Page 151 Removing the power supply 3. The front panel power switch assembly is attached by power cord to the power supply. Disconnect the power switch assembly from the front of the computer chassis as follows (see in Figure 10–3): a. Release the ground cable. b.
  • Page 152 Return the failed power supply to Data General. Contact the Customer Support Center, as described in the Preface, for information on returning the faulty part. To install the new power supply, continue to the next section, “Installing the power supply.”...

  • Page 153: Installing The Power Supply

    Installing the power supply Installing the power supply The steps below assume that you are working in an ESD–protected environment, and that you have removed the computer unit cover as described in Chapter 4. To install a power supply, follow these steps. 1.
  • Page 154 Installing the power supply 4. Plug in the tape/disk power cables for each installed drive, as shown in Figure 10–6. Left side view Power supply Drive power cable Push clips in to release con- nector Figure 10–6 Connecting the disk and tape power connectors 10-6 014–002250–01...
  • Page 155 Installing the power supply 5. Plug in the system board ac power cables (PS1, PS2, and PS3) to the power supply as shown in Figure 10–7. System board É É É É É É É É É É É É É É...
  • Page 156 Installing the power supply 6. Install the front panel power switch assembly as follows (see in Figure 10–8): a. Insert the front panel switch into its front panel cutouts. b. Secure the power switch by inserting two screws from the front of the computer unit and securing the screws inside the computer chassis.

  • Page 157: Appendix A - Technical Specifications

    Technical specifications This appendix contains technical specifications for AViiON 5500 and 550 series computer system hardware components. The base system for either computer model consists of a deskside chassis that contains: System board with integrated CPU, SCSI, and LAN, components, plus integrated asynchronous, syncchronous, and parallel communications ports 32–256 megabytes ECC memory, in 1-3 banks of four SIMMs.

  • Page 158: System Board

    System board and system bus options System board Printed–circuit board with side panel mounting, contains: One Motorola 88110 microprocessor One Motorola 88410 cache and memory management unit (CMMU) with 256 kilobytes cache RAM. One NCR single–ended SCSI controller One AMD 802.3 Ethernet LAN controller Three asynchronous serial peripheral ports (RS-232-C) One synchronous serial peripheral ports (RS-232-C;...

  • Page 159: Expansion Cpu Complex Board (Optional

    Stacked on system board with one 200–pin impedance–controlled connector Expansion input/output board (optional) Maximum of two (AViiON 5500 series) or one (AViiON 550 series) of the following option boards stacked on system board with two 96–pin DIN connectors NCR SCSI adapter board with two integrated controllers AMD 802.3 Ethernet LAN controller...

  • Page 160: Vmebus Backplane And Options

    Integrated I/O connectors and signals VMEbus backplane and options This section describes the AViiON 5500 and 550 series VMEbus backplane and lists the optional devices it currently supports. Electrically compliant with Motorola VME specification, Revision C.1 Sustained nonblock (single word) mode VMEbus transfer rate Supports maximum of two of the following 6U form factor controller or adapter boards (maximum subject to configuration–dependent power constraints).

  • Page 161: Asynchronous Serial Port Connectors

    Integrated I/O connectors and signals Asynchronous serial port connectors Your system console, AV/Alert modem, Uninterruptible Power Supply (UPS) and other asynchronous serial devices connect to the Input /Output Controller(s) (IOC) through RS–232–C, 25–pin female DB25 connectors. These Data Communications Equipment (DCE) connectors are located at the rear of the computer unit.

  • Page 162: Synchronous Serial Port Connector

    Integrated I/O connectors and signals Synchronous serial port connector Synchronous devices connect through the 25-pin female D–connector (DB25) located on the back of the computer unit, labeled SYNC. Figure A–2 shows the pin numbers for the synchronous communications connector; Table A–2 lists the signals. female connector Figure A–2 Synchronous serial port connector signals...

  • Page 163: Parallel Port Connector

    Integrated I/O connectors and signals Parallel port connector The I/O cable from a parallel printer connects to the system board port through a 25–pin, female D–connector (DB25) located on the back of the computer system. Table A–3 lists the signals and pin numbers for the parallel printer connector;...

  • Page 164: Lan Connector

    Integrated I/O connectors and signals Table A–3 Parallel printer connector pin signals Signal Unused – Fault (error) – Reset Unused 18–25 Ground LAN connector The rear panel of every AViiON 5500 and 550 series computer contains an external connector for the integrated Ethernet LAN. Some systems include one or two expansion LAN controller boards with a rear panel bus connector.

  • Page 165: Integrated Scsi-2 Bus Connector

    Integrated I/O connectors and signals Table A–4 specifies the signals for the LAN connector. Table A–4 LAN connector signals Signal Circuit Ground CI–S (control in shield) Collision + CI–A (control in A) Transmit + DO–A (data out A) Ground DI–S (data in shield) Receive + DI–A (data in A) Ground...

  • Page 166: Integrated Scsi Bus Connector Signals

    Integrated I/O connectors and signals The SCSI bus standard describes two types of pin assignments: one for devices that use single–ended drivers and another for devices that use differential drivers. The integrated SCSI bus is configured for single–ended devices by default. Table A–5 lists the signals for the integrated bus.

  • Page 167: Scsi-2 Expansion Bus Connectors

    Integrated I/O connectors and signals SCSI–2 expansion bus connectors Each expansion SCSI controller contains two rear panel bus connectors. Systems may include one to four expansion SCSI buses. The rear panel expansion SCSI–2 bus ports contain 68–position, male P&S–style connectors. Figure A–5 shows the position numbering for the SCSI expansion connectors.
  • Page 168 Integrated I/O connectors and signals Table A–6 Expansion SCSI bus connector signals Contact number Signal (Single–ended) Signal (Differential) Ground +DB(P) Ground DIFFSENS TERMPWR TERMPWR TERMPWR TERMPWR Ground RESERVED Ground +ATN Ground Ground Ground +BSY (high Busy) Ground +ACK (high Acknowledge) Ground +RST (high Reset) Ground...
  • Page 169 Integrated I/O connectors and signals Table A–6 Expansion SCSI bus connector signals Contact number Signal (Single–ended) Signal (Differential) TERMPWR TERMPWR TERMPWR TERMPWR RESERVED RESERVED GROUND –ATN –ATN GROUND GROUND –BSY –BSY –ACK –ACK –RST –RST –MSG –MSG –SEL –SEL –C/D –C/D –REQ –REQ...

  • Page 170: Workstation Peripherals Specifications (Aviion 550 Series

    Workstation peripherals specifications (AViiON 550 series) Workstation peripherals specifications (AViiON 550 series) This section provides specifications for the display monitor, keyboard, and mouse included with AViiON 550 workstations. For specifications of the internal graphics controllers boards in AViiON 550 workstations, refer to the “System board and system bus options”...

  • Page 171: Mouse

    Workstation peripherals specifications (AViiON 550 series) (a) Keyboard cable (b) Keyboard connector Figure A–7 Keyboard connector and cable pin numbering Mouse 3.75 x 2.5 inches (9.5 x 5 cm) Three momentary switches with tactile and audible feedback Compatible with EIA RS-232-C interface; 1200–baud asynchronous serial Uses power from RS-232-C interface Maximum current 15 milliamps...

  • Page 172: Graphics I/O Connector

    Workstation peripherals specifications (AViiON 550 series) Table A–8 Mouse connector signals Signal Unused Data In Data Out +12 V Ground Unused Ground Unused Unused Graphics I/O connector Both the 8– and 24–bit graphics controller contain a single–piece 13W3 DB10/3 COAX female video connector to the computer unit rear panel bulkhead.

  • Page 173: 17-Inch Color Monitor

    Workstation peripherals specifications (AViiON 550 series) 17–inch color monitor Dimensions: 42.5 cm high (16.8 inches) 41.3 cm wide (16.3 inches) 43.5 cm deep (17.1 inches) Weight 18.5 kg (40.8 pounds), including swivel base 43 cm (17 inches) diagonal measure Invar shadow mask, .28 mm dot pitch maximum 90 degree, in–line gun Silica–coated anti–reflective/anti–static treated Screen refresh...

  • Page 174: 19-Inch Color Monitor

    Workstation peripherals specifications (AViiON 550 series) 19–inch color monitor Dimensions: 45.3 cm high (17.8 inches) 47.1 cm wide (18.5 inches) 49.4 cm deep (19.4 inches) Weight 55 pounds, (25 kg) 50 cm (20 inches) diagonal measure 90 degree, MPF–DAF gun Invar shadow mask, .28mm dot pitch maximum.

  • Page 175: Physical And Environmental Specifications

    Physical and environmental specifications Physical and environmental specifications This section contains physical specifications and environmental requirements for the operation and storage of AViiON 5500 and 550 series deskside computer systems. These models satisfy FCC Class A, VCCI Class 1, UL 1950, CSA 950 and IEC 950/EN 60950, CISPR 22/EN55022 Class A, UDE Class A, and TUV standards.

  • Page 176: Power Subsystem Specifications

    Power subsystem specifications Power subsystem specifications This section contains specifications for the power subsystem. Ac input line Frequency: 47 through 63 hertz, single phase Voltage options: 120 volts ac, +15 percent, –15 percent 220/240 volts ac, +10 percent, –15 percent Maximum current: 110/120 Vac 6.5 amperes...

  • Page 177: Appendix B - Customer Replaceable Units (Crus)

    Your AViiON 5500 or 550 series computer contains several components called customer replaceable units (CRUs). CRUs are subassemblies that you can remove and install. Table B–1 lists CRUs you can order from Data General. CAUTION: Before attempting to replace or add an internal CRU, always read the “Avoiding electrostatic discharge (ESD) damage”...
  • Page 178 Customer Replaceable Units (CRUs) Table B–1 AViiON 5500 and 550 CRUs Customer Replaceable Unit DGC Part Number Monitor, color (AViiON 550) 17-inch color 118–014491 19-inch color 118–016094 BNC cable 118–017552 Mouse, 3–button (AViiON 550) 118–015965 Power cord (computer unit and monitor) U.S./Canada/Japan (120 V ac) computer unit 109–000996 U.S./Canada/Japan (120 V ac) monitor...
  • Page 179 LED connection to computer, 9-5 rear panel connectors, (figure), 1-10 part numbers, 1-14–1-16 See also monitor/keyboard/mouse power, fan, 9-7 SCSI bus cabling rules, 3-4–3-5 AViiON 5500 Series cartridge tape drives cables, 1-14 adding or replacing, 5-1–5-9 model–specific components, 1-2 removing, drive assembly, 5-3–5-4...
  • Page 180 8-6–8-9 connector location system board, 8-10–8-14 asynchronous ports, 2-11 power cord, 2-19–2-20 AViiON 550 Series, 1-10 removing AViiON 5500 Series, 1-9 cover, 4-7–4-9 keyboard, 2-6 CPU expansion board, 6-2–6-3 OP CON, 2-3 drive assembly, 5-3–5-4 parallel printer, 2-14 fan assembly, 9-1–9-2 RS–232, 2-3, 2-11...
  • Page 181 Index connectors expansion SCSI bus, pin numbers, A-11 Data General, contacting, ix graphics controller, A-16 default characteristics keyboard, pin numbers, A-15 OP CON, 2-3 serial ports B and C, 2-12 pin numbers, A-8 degauss switch, monitor, 1-6 pin signals, A-9...
  • Page 182 Index drive assemblies FCC Class A rating, A-19 installing, 5-6–5-9 flow control internal locations, 5-2 serial ports B and C, 2-12 removing, 5-3–5-4 system console, 2-3 drives format conventions, in this manual, viii adding or replacing, 5-1–5-9 external, 1-4–1-5 worksheets, 3-18 in storage subsystems, 1-5 graphics board (AViiON 550) internal, 1-4...
  • Page 183 Index installing (continued) language, keyboard, 1-13 system board, 8-10–8-14 LED, front panel, cable connections, 9-5 system console, 2-2–2-3 terminal, as system console, 2-2–2-3 logic power cable, connection to power VMEbus options, 2-15 supply, 10-2, 10-6 internal drives about, 1-3–1-4 installing, 5-5–5-9 locations, 5-1–5-2 removing, 5-3–5-4 maintenance...
  • Page 184 Index mouse PHU (peripheral housing unit), 1-5 about, 1-6 installing, 3-9–3-13 related documentation, vii connecting, 2-7 connector pin numbers pin numbers, A-15 graphics connector, A-16 signals, A-15–A-18 keyboard connector, A-14–A-15 disconnecting, 2-7 LAN connector, A-8–A-9 rear panel connector location, 1-10 mouse connector, A-15–A-18 technical specifications, A-15–A-16 parallel printer connector, A-7–A-8...
  • Page 185 Index SCSI bus cable rear panel connectors connecting to expansion bus, 3-12 AViiON 550, 1-10 connecting to integrated bus, 3-11 AViiON 5500, 1-9 connecting to the computer unit, 2-17 related manuals, vi cable lengths, 3-4–3-5 configuration rules, 3-5 removing configuration worksheet cover from computer unit, 4-7–4-9 blank, 3-17–3-18 CPU expansion board, 6-2–6-3...
  • Page 186 Index serial printer, connecting, 2-10–2-12 preparing replacement, 8-6–8-9 PROM component settings, default installing, 8-6–8-9 SCSI bus speed, 3-4 removing, 8-5 serial ports B and C, 2-12 removing, 8-2–8-5 system console, 2-3 specifications, A-1–A-4 subassemblies, 8-1 signals graphics connector, A-16 system configurations, 1-1–1-10, keyboard, A-14–A-15 A-1–A-4 LAN connector, A-8–A-9...
  • Page 187 1–800–343–8842, Option #4, to notify the TIPS department of any problems. INTERNATIONAL ORDERS 9. Customers outside of the United States must obtain documentation from their local Data General Subsidiary or Representative. Any TIPS orders received by Data General U.S. Headquarters will be forwarded to the appropriate DG Subsidiary or Representative for processing.
  • Page 189 Expiration Date Does not apply to maintenance documentation. Data General is required by law to collect applicable sales or use tax on all purchases shipped to states where DG maintains a place of business, which covers all 50 states. Please include your local taxes when determining the total value of your order.
  • Page 190 Any use thereof by you or your company is at your own risk. Data General disclaims any liability arising from any such use and I and my company (Customer) hold Data General completely...
  • Page 192 Installing, Expanding, and Maintaining AViiON 5500 and 550 Series Computers 014–002250–01 Cut here and insert in binder spine pocket...

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