Page 3 - Setting Up Your Server / 5; Contents; iii
Communications regulation information / viii Laser information / ix About This Guide / 1 About your Workgroup Server 8550 and Power Macintosh software / 1 Who should read this guide / 2 What this guide contains / 2 How to use this guide / 2 Other reference material / 3 Where to find answers / 4 1 Se...
Page 4 - iv
Connecting the mouse and keyboard / 12 Connecting a keyboard with a built-in cable / 12 Connecting a keyboard with a separate cable / 13 Connecting other external devices / 13 Plugging in the server / 14 Turning the server on / 15 Problems turning on your server? / 17 Turning the server off / 18 Usi...
Page 6 - Appendix B Technical Information / 87
Cleaning your equipment / 77 Cleaning the server case / 77 Cleaning the monitor / 77 Cleaning the mouse / 77 Locking and unlocking the mouse / 79 Health-related information about computer use / 81 Musculoskeletal discomfort / 81 Eye fatigue / 82 Ar ranging your office / 83 Avoiding fatigue / 84 What...
Page 7 - vii
Mouse / 94 Interfaces / 94 Audio system / 96 Typical specifications / 96 AC line input / 98 AC line output / 98 DC power / 98 Power requirements for devices you can connect / 98 Apple Desktop Bus (ADB) / 98 Audio and telecommunications devices / 99 Expansion cards and devices / 99 Assigning SCSI ID ...
Page 8 - viii; Communications regulation information; FCC statement; VCCI statement
Communications regulation information viii Communications regulation information FCC statement DOC statement DOC Class A Compliance This digital apparatus does not exceed theClass A limits for radio noise emissions fromdigital apparatus set out in the radiointerference regulations of the CanadianDep...
Page 9 - ix; Laser information
Laser information ix Laser information WARNING Making adjustments or performing procedures other than those specified in your equipment’s manual may result in hazardous radiation exposure. WARNING Do not attempt to disassemble the cabinet containing the laser. The laser beam used in this product is ...
Page 10 - About your Workgroup Server 8550 and Power Macintosh software; Your Workgroup Server 8550 is powered by the PowerPC; About This Guide
This guide tells you how to set up your Workgroup Server 8550 and connectit to a network. It also provides technical specifications for your server andinformation about adding inter nal and exter nal devices to your server. Thissetup guide is a companion to the Workgroup Server Administrator’s Guide...
Page 11 - Here’s a brief summary of what you’ll find in this guide:; How to use this guide
Who should read this guide This guide is intended for the person who sets up the server and connects itto an existing network. You need to know some details of your existingnetwork in order to choose the appropriate procedures for connecting theserver to your network. What this guide contains Here’s...
Page 12 - Other reference material
If you want to connect external peripheral devices to your server: After youconnect the monitor and keyboard to the server, as described in Chapter 1,turn to the appropriate instructions in Chapter 3, then retur n to Chapter 1. Connect to the net work to complete the setup process. See Chapter 2,“Co...
Page 13 - Where to find answers; The Guide menu (marked with the
Where to find answers When you have questions about using your server, there are several placesyou can look for answers. In this book Use this book to help you set up and expand your serversystem, and to connect it to a network. Also use this book tocheck your server’s technical specifications. In t...
Page 14 - Setting Up Your Server
Setting up your server involves connecting a monitor, mouse, and keyboard,expanding your system to suit your needs, and connecting to the network. First, acquaint yourself with your server’s features, as shown in the nextsection, “Your Server at a Glance.” Also, be sure to read the section “Security...
Page 15 - Your server at a glance; Chapter 1 / Setting Up Your Server
Your server at a glance The following figure shows the basic components of your WorkgroupServer 8550 assembled and connected to a network. The ports on the back of the Workgroup Server 8550 and the icons thatidentify them are shown in the following figure. During setup, you’ll connecthardware to som...
Page 17 - Security issues; Physically isolating the system
Security issues The Workgroup Server 8550 lets you concentrate valuable or sensitiveinformation on one system that can be physically isolated and more carefullymonitored than would be possible if that information were stored on personalcomputers. Before you set up the server, you may want to conside...
Page 18 - Connecting the monitor’s power cord; Place the monitor where you will be using it.; Keep in mind these considerations:; Connecting a monitor
By itself, a locking cable cannot prevent unauthorized use of the server, but itcan prevent the server (and its peripheral devices if they are also secured bylocking cables) from being removed. Installing internal devices If you purchased additional inter nal drives or expansion cards for your serve...
Page 19 - Connect the monitor’s power cord to the monitor.; On some monitors, the cord is already attached.
2 Connect the monitor’s power cord to the monitor. On some monitors, the cord is already attached. 3 Plug in the monitor’s power cord to the server or grounded electrical outlet. Some power cords are designed to plug into the back of your server. You can also plug the power cord into a grounded elec...
Page 20 - Connecting the monitor cable; To connect the monitor cable:; Attach the monitor cable to the monitor.; On some monitors, the cable is already attached.; Attach the monitor cable to the server’s monitor port.; The monitor port is marked with the icon
Connecting the monitor cable After you plug in the monitor’s power cord, connect the monitor cable to theserver’s monitor port. To connect the monitor cable: 1 Attach the monitor cable to the monitor. On some monitors, the cable is already attached. 2 Attach the monitor cable to the server’s monitor...
Page 21 - Connecting the mouse and keyboard; Connecting a keyboard with a built-in cable; Note: A port marked with the
Connecting the mouse and keyboard You have a choice of several keyboards for your server. The way you connectthe mouse and keyboard depends on whether the keyboard has a separatecable or a built-in cable. Connecting a keyboard with a built-in cable 1 Plug the mouse cable into the recessed port on th...
Page 22 - Connecting a keyboard with a separate cable; Plug the mouse cable into the port on either side of the keyboard.; The plug and the port are marked with the same icon (; Connecting other external devices
Connecting a keyboard with a separate cable 1 Plug the mouse cable into the port on either side of the keyboard. Most right-handed people prefer to use the mouse with their right hand; mostleft-handed people prefer to use the mouse with their left hand. Plug themouse into the port on the side you pr...
Page 23 - Plugging in the server; To plug in the server:; with the symbol; Choose a power outlet to which you have easy access.; IMPORTANT; The only way to disconnect power completely is to unplug the; This equipment is intended to be electrically grounded.
Plugging in the server To plug in the server: 1 Plug the socket end of the server’s power cord into the recessed power plug (marked with the symbol ≤ ) on the back of the server. 2 Plug the other end of the power cord into a three-hole grounded outlet or power strip. Choose a power outlet to which y...
Page 24 - To turn on the server for the first time, follow these steps.; Turn on the monitor.; Turning the server on
Turning the server on Before turning the server on, make sure it is in its upright position; theWorkgroup Server 8550 is not designed to run on its side. To turn on the server for the first time, follow these steps. 1 Turn on the monitor. See the information that came with your monitor for the locat...
Page 25 - Check to see what’s on your screen.
4 Check to see what’s on your screen. m If you see a system message on the desktop, as shown in the followingfigure, your Mac OS is already set up cor rectly. Click the OK button todismiss the dialog box. Why the message about your net work connection? The Workgroup Server ispreset for a connection ...
Page 26 - Problems turning on your server?; Is the power light on the front panel on?
m If you see a blinking question mark, you need to install system software onthe server’s hard disk. To install the Mac OS, see “Installing System Software” in Chapter 4,“Managing Hard Disks,” of the Workgroup Server Administrator’s Guide. m If you see anything else on your screen, or if you see not...
Page 27 - Turning the server off; Be sure to tur n off the server if you need to do any of; Using the Shut Down command; Choose Shut Down from the Special menu.
Turning the server off You need to turn off (shut down) the server to perform the tasks in Chapter 2,“Connecting to the Network.” IMPORTANT Be sure to tur n off the server if you need to do any of the following: m move the server m connect other equipment to the server m unplug the server You can tu...
Page 28 - Connecting to the Network
The Workgroup Server 8550 contains built-in hardware and software forconnecting the server to two types of networks: LocalTalk and Ether net. Withthe appropriate Peripheral Component Interconnect (PCI) card and software,you can also connect your server to additional networks, including othernetwork ...
Page 29 - Connecting to an Ethernet network; Apple Ethernet Thin Coax Transceiver; Do not connect cables to the back of the server when the; Chapter 2 / Connecting to the Network
Connecting to an Ethernet network The built-in Ethernet capabilities of your Workgroup Server 8550 allow youto connect to any standard Ether net network using thin coaxial (or “coax”),10BASE-T twisted-pair, or thick coaxial cables; fiber-optic media; or otherstandard Ethernet cables. You can connect...
Page 30 - Connecting to twisted-pair Ethernet; To connect the server to a twisted-pair network:; Make sure that the server is turned off.
Connecting to twisted-pair Ethernet Follow this procedure to connect the server to a network that implementsEthernet over twisted-pair cable. The hardware connection requires a twisted-pair patch cord with an RJ-45 telephone-style connector jack. You plug thepatch cord into a standard wall plate tha...
Page 31 - Connecting to thin coaxial Ethernet; To connect the server to a thin coaxial network:
Connecting to thin coaxial Ethernet Follow this procedure to connect the server to an Ethernet network that usesthin coaxial cable. The hardware connection requires an Apple (or Apple-compatible) thin coaxial transceiver and a thin coaxial cable. To connect the server to a thin coaxial network: 1 Ma...
Page 32 - Connecting to other types of Ethernet
Connecting to other types of Ethernet The Apple Ethernet AUI Adapter is a universal adapter that lets you connectthe server to less-common types of industry-standard Ethernet media, such asthick coaxial or fiber-optic cable. If you are using the Apple Ether net AUIAdapter, you also need an Ether net...
Page 33 - Connecting to a LocalTalk network; To connect the server to a LocalTalk network:
Connecting to a LocalTalk network To connect your server to a LocalTalk network, you will need LocalTalkcables and a LocalTalk adapter. The Apple LocalTalk Locking Connector KitDIN-8, available from your Apple-authorized dealer, contains thecomponents you need to connect the server to an existing Lo...
Page 34 - After connecting to a LocalTalk network (if you have not also; Building a high-performance network
Now that you have made the server’s physical connection to LocalTalk, youcan start up the server. IMPORTANT After connecting to a LocalTalk network (if you have not also connected to Ethernet), each time you start up the server you’ll see a dialogbox that indicates an er ror condition. This dialog b...
Page 35 - Creating a high-performance Ethernet segment
Creating a high-performance Ethernet segment You can increase performance in Ether net networks by creating subnetworksof devices connected by 10BASE-T Ether net hubs (repeaters that regeneratesignals from one device to another). The Apple Ether net 10T/5 WorkgroupHub provides a modular, plug-and-pl...
Page 36 - Using multiple network segments
Using multiple network segments By installing additional PCI network cards (and associated software), you canconnect your server to a variety of networks. To use more than one networksegment at the same time, you will also need network server software thatsupports multihoming on PCI-based systems (s...
Page 37 - Setting up multihoming; you want to connect to your server.; Follow the instructions in Chapter 3 of this setup guide.; Configure the Open Transport options for your server.; Each port must be assigned to a different zone.; Use a router to connect each network segment
Setting up multihoming Follow these steps to set up multihoming capabilities on your server: 1 Install PCI network cards (and associated software) for additional network segments that you want to connect to your server. Follow the instructions in Chapter 3 of this setup guide. Note: This step is opt...
Page 38 - Have users select the server in their own zone; Archives
Have users select the server in their own zone If network segments connected to your server are connected to each otherthrough routers, users will see the server in all the connected zones (in theChooser). For best performance, make sure that users select in the Chooserthe server that resides in the...
Page 40 - Make sure each device you add is compatible with your server
You can expand the capabilities of your server by installing items internallyand by connecting exter nal devices. The following figure shows you thelocation of the Workgroup Server 8550’s inter nal components. An exter nalview of the server, depicting the ports to which you connect other devices, is...
Page 41 - Opening the server safely; Follow these steps to open the server:; are disconnected from the server.; The components in your server, as well as the inter nal; Chapter 3 / Expanding Your Server and Connecting Other Equipment
Opening the server safely You can take the following preventative measures to avoid electrostaticdischarge while you are installing inter nal devices in your server: m Wear a grounded wriststrap (like the one shown below) while installinginternal devices in the server. m Carefully follow all instruc...
Page 42 - Loosen the four large screws at the corners of the back panel.; Do not remove the screws or the back panel.; Remove the cover from the server.
3 Loosen the four large screws at the corners of the back panel. Do not remove the screws or the back panel. 4 Remove the cover from the server. Slide the cover away from the back panel an inch or two. Then raise the coverstraight up and off the server. Opening the server safely 33
Page 43 - Installing an expansion card; Power requirements; To avoid damaging your server and expansion card, do not
Installing an expansion card You can install printed circuit boards (called cards) for networking andcommunications, SCSI acceleration, video and graphics applications, or other pur poses. The cards fit into connectors, called expansion slots, inside the server. Your Workgroup Server 8550 has three ...
Page 44 - Installing a PCI expansion card; Some cards may need to be installed by an Apple-authorized
Installing a PCI expansion card IMPORTANT Some cards may need to be installed by an Apple-authorized service provider. Check the information that came with the card. Follow these steps to install an expansion card. 1 Carefully follow the instructions provided earlier in this chapter for opening the ...
Page 45 - Squeeze the sides of the retainer and pull down.; Slide the access port cover out and away from the access port.
3 Lower the retainer. Squeeze the sides of the retainer and pull down. 4 Being careful not to touch the sharp edges, pull out the metal access port cover behind the expansion slot you want to use, and set the access port cover aside. 1 Press apart the two levers that are next tothe card access portt...
Page 46 - Hold the card by its edges to avoid touching the connector.; Align the connector end of the card with the expansion slot.
5 To protect your card, touch the metal part of the power supply case to discharge static electricity again, as in step 2, and then remove the card from its static-proof bag. Hold the card by its edges to avoid touching the connector. 6 Align the connector end of the card with the expansion slot. If...
Page 48 - Never tur n on your server unless all of its inter nal and
9 Replace the cover on the server. Lower the cover all the way down onto the case. Push the cover toward theback until it touches the back panel. 10 Tighten the screws on the back panel. You are now finished installing the card. If a software driver was includedwith your expansion card (on a floppy ...
Page 49 - Upgrading the processor; The processor card can be damaged by static electricity. To avoid
Upgrading the processor Your server’s processor can be upgraded with the installation of a processorupgrade card. To upgrade the processor, remove the old processor card following theinstructions earlier in this chapter for opening the server safely. Then, thenew processor card can be installed foll...
Page 50 - To avoid damage to your server, Apple recommends that only; Expanding memory
Expanding memory Additional memory can be installed in your server. Memory for your server isprovided in packages called Dual Inline Memory Modules (DIMMs).Appendix B, “Technical Information,” describes how much additionalmemory can be installed in the server. Adding dynamic random-access memory (DR...
Page 51 - Connecting hard disks and other SCSI devices; Before connecting a device to your server, be sure that the server
Connecting hard disks and other SCSI devices Your Workgroup Server 8550 has two buses for connecting devices that usethe Small Computer System Interface (SCSI, pronounced “skuh-zee”). TheSCSI connections permit high-speed communication between the server andthe devices. SCSI devices commonly attache...
Page 52 - Setting the SCSI ID number; If you have an Apple SCSI device, set the SCSI ID number as follows:; Make sure your server is shut down and the SCSI device is turned off.; Each SCSI device connected to your server must have its
Devices on the same SCSI bus must have unique ID numbers (however,devices on different SCSI buses may use the same SCSI ID number). Setting up a SCSI device to use with your server involves: m setting the device’s SCSI ID number m physically connecting the device to your server (including appropriat...
Page 54 - Follow these steps to install an additional internal hard disk.; earlier in this chapter.
Installing an additional hard disk in the internal disk drive bracket You can add a secondary inter nal hard disk in the top bay of the server’sinternal disk drive bracket (shown in the exter nal view of the server in thesection “Your Server at a Glance” in Chapter 1). Follow these steps to install ...
Page 55 - the end of the SCSI ribbon cable.
3 Disconnect the SCSI ribbon cable and power cable from the CD-ROM drive and from any DAT or other drive in the server’s auxiliary bay, and remove the termination block from the end of the SCSI ribbon cable. Termination block 46 Chapter 3 / Expanding Your Server and Connecting Other Equipment
Page 56 - Disconnect the power cable from the disk drive bracket.
4 Disconnect the power cable from the disk drive bracket. Connecting hard disks and other SCSI devices 47
Page 58 - Align the connections on the drive with the back of the bracket.
7 Slide the new disk drive into the upper bay of the disk drive bracket. Align the connections on the drive with the back of the bracket. 8 Install the four screws in the sides of the bracket and connect the power cable to the upper drive. Connecting hard disks and other SCSI devices 49
Page 60 - Reconnect the power cable to the disk drive bracket.
10 Reconnect the power cable to the disk drive bracket. Connecting hard disks and other SCSI devices 51
Page 61 - DAT or other drive in the server’s auxiliary bay.
11 Reconnect the power cable and the SCSI ribbon cable to the CD-ROM drive and to any DAT or other drive in the server’s auxiliary bay. 52 Chapter 3 / Expanding Your Server and Connecting Other Equipment
Page 63 - Installing a drive in the auxiliary bay
Installing a drive in the auxiliary bay You can install a digital audio tape (DAT) drive or an additional internal harddisk in your server’s auxiliary bay (shown in the exter nal view of the server inthe section “Your Server at a Glance” in Chapter 1). Note: Your server may have come with a DAT driv...
Page 66 - If necessary, attach the new drive to its bracket.; Follow the instructions that came with the new drive and bracket.; Slide the new drive assembly into the auxiliary bay.
7 If necessary, attach the new drive to its bracket. Follow the instructions that came with the new drive and bracket. Note: If your new drive did not come with a bracket, see your Apple-authorized dealer for assistance selecting an appropriate bracket for use in the auxiliary bay of your Workgroup ...
Page 69 - Connecting an external SCSI device; To connect a SCSI device to the port on your server’s back panel:; Make sure that the server and SCSI device are turned off.; To get the best results with SCSI devices, be sure to use high-; Do not connect or disconnect any device while the device or
Connecting an external SCSI device To connect a SCSI device to the port on your server’s back panel: 1 Make sure that the server and SCSI device are turned off. 2 Check that the device has its own, unique ID number between 0 and 6. See the section “Setting the SCSI ID Number” earlier in this chapter...
Page 70 - Always turn on any exter nal SCSI devices connected to your
4 Make sure that only the last device in the SCSI chain has a terminator and that no other external SCSI device has a terminator. To ensure accurate transmission of information, a terminator must be at eachend of a SCSI chain. Some exter nal SCSI devices from manufacturers other than Apple have abui...
Page 71 - You need to initialize a hard disk only in the following cases:
Installing a device driver A SCSI device driver is software that lets the server communicate with aparticular SCSI device. Note: If you have set up your server and connected additional devices, but notyet tur ned the server on, return to the section “Plugging In the Server” inChapter 1 before instal...
Page 72 - A printer can also be connected to the modem port.; Connecting a printer
Connecting a printer Your server has a printer port, which you use to connect a printer to yourserver. The printer port accepts either a direct cable connection (to printers such asthe StyleWriter II) or a network cable connection (to printers such as aLaserWriter Pro or LaserWriter Select). Follow ...
Page 73 - Connecting an additional monitor; When you connect an additional monitor:; Connecting a trackball or other input device; The total power used by all ADB devices connected to your
Connecting an additional monitor You can use an additional monitor with your server if you install a videoexpansion card. See “Installing an Expansion Card” earlier in this chapter for instructions. When you connect an additional monitor: m Make sure that the ventilation openings on the server and t...
Page 74 - Connecting a modem or GeoPort Telecom Adapter; You can also connect a printer to the modem port.; Connecting audio equipment
Connecting a modem or GeoPort Telecom Adapter Your server has a port, called the modem port, which is a serial port designedfor use with modems and devices such as the GeoPort Telecom Adapter.These devices, when used with appropriate telecommunications software, takeadvantage of the server’s built-i...
Page 75 - About your server’s sound ports; The server’s sound ports accept these 3.5 mm connectors:
About your server’s sound ports The sound input port is marked with an icon of a microphone. The soundoutput port is marked with an icon of a speaker. The server’s sound ports accept these 3.5 mm connectors: The smaller connector (a “stereo miniplug”) is found most often on stereoequipment. The slig...
Page 76 - Connecting most audio equipment; Follow these steps to connect most audio equipment to the server:; Place the audio equipment near the server.
Connecting most audio equipment To play or record sound with your server, you can attach a microphone,amplifier, tape recorder, headphones, or a pair of speakers. (When you haveheadphones connected, you don’t hear beeps or other server sounds throughthe built-in speaker.) For specific instructions o...
Page 77 - Connecting and positioning a microphone; Follow these steps to connect and position the microphone:; Shut down the server.; The microphone should be between 1 and 3 feet away from you.
Connecting and positioning a microphone With appropriate software, you can use an Apple PlainTalk Microphone (or acompatible line-level microphone) to give spoken commands to your serverand to record your voice or other sounds. Do not use the round omnidirectional microphone supplied with some other...
Page 78 - You’re now ready to begin using your microphone.; Connecting external stereo speakers; Assemble the speakers and the cable you need.
4 Turn on the server. You’re now ready to begin using your microphone. You may want to install software that enables you to give spoken commandsto the server, get computer-voice feedback to your spoken commands, andhave the server read text to you. For information about installing software onyour se...
Page 79 - Connect the speakers together with speaker wires, if necessary.; Your finished connections should look something like this:
5 Connect the speakers together with speaker wires, if necessary. Your finished connections should look something like this: 6 Turn on the server. Now you hear the server’s sound through the exter nal speakers. (You may alsoneed to set options in the Sound & Displays control panel in order to he...
Page 80 - Important server safety instructions; Appendix A Safety, Maintenance, and Health Information
Important server safety instructions For your own safety and that of your equipment, always take the following precautions. Turn off the server and disconnect the power plug (by pulling the plug, notthe cord) if any of the following conditions exists: m The power cord or plug becomes frayed or other...
Page 81 - If you have a problem with your server and nothing in the; Handling your computer equipment; Electrical equipment may be hazardous if misused.
Be sure that you always do the following: m Keep your server away from sources of liquids, such as wash basins,bathtubs, shower stalls, and so on. m Protect your server from dampness or wet weather, such as rain, snow, andso on. m Read all the installation instructions carefully before you plug your...
Page 82 - Handling the monitor; Follow these procedures for handling a monitor:; Health-related information about computer use
m Turn off your server and all its components before connecting ordisconnecting any cables to add or remove any component. Failure to do socould seriously damage your equipment. m Never force a connector into a port. If the connector and port do not joinwith reasonable ease, they probably don’t matc...
Page 84 - Handling CD-ROM discs; To avoid damage to your discs, keep these points in mind:
Handling CD-ROM discs Keep these important safety instructions in mind as you use CD-ROM discs: m Hold a disc by the edges or by one edge and the center hole. Do not touchthe disc surface. m To clean discs, wipe the shiny surface with a soft damp cloth, working instraight lines from center to edge. ...
Page 85 - Hold down the
m Keep your computer equipment away from any source of liquid (such aswash basins, bathtubs, and shower stalls). If you drink coffee or otherbeverages while you’re at your server, take care not to spill. m Avoid exposing your equipment to damp or wet weather. If your system isnear a window, be sure ...
Page 86 - Cleaning your equipment; Cleaning the server case; Turn off your server.
Power supply The power supply in your server is a high-voltage component and should notbe opened for any reason, even when the server is off. If the power supplyneeds service, contact your Apple-authorized dealer or service provider. Cleaning your equipment Follow these general rules when cleaning t...
Page 87 - Rotate the rollers to clean all around them.; dishwashing liquid) and then dry the mouse ball thoroughly.
2 Turn the mouse upside down and turn the plastic ring on the bottom counterclockwise to disengage it. If you have an older mouse, you may need to press the plastic ring (ratherthan turn it) to disengage it. 3 Turn the mouse right side up with one hand and catch the ring and the ball with your other...
Page 88 - Locking and unlocking the mouse; Insert a straightened paper clip into the hole on the plastic ring.
Locking and unlocking the mouse Some mouse devices can be locked so that the ball can’t be removed. Alocking mouse has a small hole on the plastic ring. To lock the mouse, follow these steps: 1 Insert a straightened paper clip into the hole on the plastic ring. 2 Press down on the paper clip while y...
Page 90 - Musculoskeletal discomfort
Health-related information about computer use Muscle soreness, eye fatigue, and other discomforts and injuries sometimesassociated with using computers can occur from performing any number ofactivities. In fact, misuse of the same muscles during multiple activities cancreate a problem that might not...
Page 91 - Eye fatigue; To prevent discomfort and eye fatigue:
RSIs did not suddenly arise when computers were invented; tennis elbow andwriter’s cramp, for example, are two RSIs that have been with us for a longtime. Although less common than other RSIs, one serious RSI discussed moreoften today is a wrist problem called car pal tunnel syndrome, which may beag...
Page 92 - Arranging your office
Arranging your office Here are some guidelines for adjusting the fur niture in your office toaccommodate your physical size and shape. m An adjustable chair that provides firm, comfortable support is best. Adjustthe height of the chair so that your thighs are horizontal and your feet flaton the floo...
Page 93 - Avoiding fatigue
m Ar range the monitor so that the top of the screen is slightly below your eyelevel when you’re sitting at the keyboard. The best distance from your eyesto the screen is up to you, although most people seem to prefer 18 to 28inches (45 to 70 cm). m Position the monitor to minimize glare and reflect...
Page 94 - What about electromagnetic emissions?
What about electromagnetic emissions? There has been recent public discussion of the possible health effects ofprolonged exposure to extremely low frequency (ELF) and very lowfrequency (VLF) electromagnetic fields. Such fields are associated withelectromagnetic sources such as television sets, elect...
Page 96 - Appendix B Technical Information
This appendix contains the following technical information about yourWorkgroup Server 8550: m Expanding your server m Specifications Appendix B Technical Information 87
Page 97 - Expanding your Workgroup Server 8550; additional L2 cache memory, up to a total of 4 MB; Appendix B / Technical Information
Expanding your Workgroup Server 8550 Your Workgroup Server 8550 was designed to grow with your needs—you canadd new capabilities or improve its performance as you wish. You can plug ina number of external devices into its ports. You or your dealer can also installa number of enhancements within the ...
Page 98 - Main unit; Processor; A PowerPC 60 4 processor with the following features:; Memory; kilobytes (K) of nonvolatile parameter memory; Specifications
Specifications This section lists the hardware specifications for the Workgroup Server 8550. Main unit Processor A PowerPC 60 4 processor with the following features: m 132 megahertz (MHz) clock speed m built-in floating point unit (FPU) m 44 MHz system bus m fully upgradable (with a processor card ...
Page 99 - DRAM configurations; To avoid damage to your server, Apple Computer
DRAM configurations Your server can use any DRAM configuration with DIMMs of these sizes: 8,16, 32, or 6 4 MB. The exact configuration depends on the density of theDRAM chips that are mounted on the DIMMs. You can increase your server’s DRAM to up to 512 MB. The main logic boardhas eight slots where...
Page 100 - VRAM configurations; Cache configurations
VRAM configurations VRAM, like standard DRAM, is also provided in DIMMs. Your server comeswith 2 MB of VRAM installed in two 1 MB DIMMs. (These DIMMs areinstalled in bank 1.) Your server’s VRAM can be expanded to a maximum of 4 MB by adding two 1 MB DIMMs to bank 2. Both DIMMs must be added atthe sa...
Page 101 - Graphics modes
Graphics modes The table on the following page shows the image sizes for monitors that canbe connected to the monitor port, along with the number of colors or grayssupported with 2 MB of VRAM and with the optional expansion to 4 MB of VRAM. There are also many special PCI monitor cards available fro...
Page 103 - Internal disk drives; CMOS custom circuitry with long-life lithium battery.; Keyboard; Supports all models of the ADB mouse.; Interfaces
Internal disk drives m Apple SuperDrive 1.4 MB high-density floppy disk drive. m Internal Apple SCSI hard disk drive bracket, which accomodates two 1-inch-high SCSI drives. Location 1 of the drive ar ray houses the primaryhard drive (which may be supplied with your Workgroup Server 8550).Location 2 ...
Page 104 - One 3.5 mm sound output port for headphones or line-level devices.; Some older SCSI devices may require updated drivers. (A “driver”
m Two RS-232/RS-422 serial GeoPort-compatible serial ports, 230.4 Kbitsper second maximum (up to 2.0 48 Mbits per second if clocked exter nally). m One built-in Ether net 10BASE-T port for direct connection to 10BASE-Tnetworks. (If both AAUI and 10BASE-T connectors are plugged in, theserver uses the...
Page 105 - Audio system; Typical specifications
Audio system m Custom sound circuitry, including stereo generator (digital-to-analogconverter, or DAC)—capable of driving stereo miniplug headphones oraudio equipment—and stereo sampling hardware (analog-to-digitalconverter, or ADC) for recording stereo sound. m 16-bit stereo input and output. m Sam...
Page 106 - Total Harmonic Distortion vs. Amplitude; Frequency Response
1 0.1 0.08 0.06 0.04 0.02 0.010 0.2 1.0 Amplitude (Vpp) Total Harmonic Distortion vs. Amplitude Total Harmonic Distortion (%) 2.0 3.0 Digital loop-through 44.1 kHz sample rate RCA input RCA output A-WEIGHTED 1.00 0.00 -1.00 -2.00 -3.00 -4.00 -5.00 -6.00 -7.00 -8.00 -9.00 10 100 1k Frequency (Hz) Fre...
Page 107 - Power requirements for devices you can connect; Maximum cur rent available for all ADB devices: 500 mA.
AC line input m Line voltage: 100–240 V alter nating cur rent (AC), RMS single phase,automatically configured. m Frequency: 50–60 Hz. m Power: 340 watts maximum continuous; 520 watts peak input. AC line output m Output receptacle: 100–120 V, 3 amperes (A) AC, 220–240 V, 1.5 A ACRMS (determined by ac...
Page 108 - Audio and telecommunications devices; Microphone; Expansion cards and devices; Storage device
Audio and telecommunications devices The following table shows power allowances for exter nal devices connectedto input ports. Device Voltage Current Power Microphone +5 V 20 mA 100 mW GeoPort telecom adapter +5 V 500 mA 2.5 W Expansion cards and devices If you add a PCI expansion card, a 5.25-inch ...
Page 109 - Assigning SCSI ID numbers; The two SCSI buses can connect up to eight SCSI devices.
Assigning SCSI ID numbers The two SCSI buses can connect up to eight SCSI devices. Bus A, the internal Fast SCSI-2 bus, is designed to connect one inter nal harddisk drive (the built-in startup drive) to the server (CPU). Bus B, the inter nal/external SCSI-1 bus, is designed to connect an optionalse...
Page 110 - Operating temperature
Size and weight The following table shows size and weight information for your server andmouse. Weight Height Width Depth Main unit 12.7 kg* 355.6 mm 196 mm 400 mm 28 lb.* 14 in. 7.7 in. 15.75 in. Mouse 0.11 kg 33 mm 61 mm 107 mm 4 oz. 1.3 in. 2.4 in. 4.2 in. *Weight varies depending on type of hard...
Page 111 - Specifications for the 600i CD-ROM drive; Data
Specifications for the 600i CD-ROM drive m Disc diameter 120 millimeters (mm)(5.25 inches) and 80 mm m Scanning velocity 1.2–1.4 meters per second m Rotation speed Varies over radius Normal speed ~530 to 230 revolutions per minute (r pm) Double speed ~1060 to 460 r pm Quadruple speed ~2120 to 920 r ...
Page 114 - Index
10BASE-T connection 1910BASE-T Ethernet hub 21, 2610BASE-T network 19, 2610BASE-T twisted-pair cables 20100BASE-T (Fast Ethernet) network 19, 25 A AAUI connector 19Ethernet port 22 AC line input, specifications for 98AC line output, specifications for 98ADB devices connecting 12–13, 64power consumpt...
Page 121 - Infinite Loop
Apple Computer, Inc. 1 Infinite Loop Cupertino, California 95014-2084 408.996.1010 030-7932-A Printed in U.S.A.