Apple G4 manual Attaching Scsi Devices to Your Computer

Page 48

To put your computer to sleep, you can

mpress the power button on the front of the computer

mselect a sleep mode in the Energy Settings portion of the Control Strip

mchoose Sleep from the Special menu

When the computer is in sleep, the front panel power button light pulses.

You wake the computer by pressing the power button on the front panel of the computer or by pressing a key on the keyboard. With some Apple monitors, you can also use the monitor power button to put the computer to sleep and wake it.

Not all PCI cards or replacement AGP cards comply with the computer’s power management standards. If you install a non-compliant card, the computer can still enter sleep mode, but it will not achieve maximum energy savings. You can use the Apple System Proﬁler to ﬁnd out whether an installed card is compliant.

For more information about energy-saving options, see Mac Help.

Attaching SCSI Devices to Your Computer

Some Power Mac G4 computer conﬁgurations come with an Ultra160 Dual Channel SCSI card installed in a PCI slot with one or more internal SCSI hard disks connected to it. You can install additional internal SCSI hard disk drives up to a maximum of three drives. It’s recommended that you only connect SCSI Ultra160 LVD hard disk drives to the internal port of the Dual Channel SCSI card. You can connect external SCSI devices, including older drives with slower data transfer rates, to the external port of the Ultra160 Dual Channel SCSI card. Because the card has two channels, one connected to the internal port and another connected to the external port, connecting older devices to the external port doesn’t slow down the transfer rate of the internal hard disk drives.

Apple recommends that you use only SCSI Ultra160 LVD devices as internal hard disk drives.

To connect older SCSI devices that use a 25-pin or a 50-pin connector—such as Zip drives, scanners, or DAT drives—you need to purchase SCSI adapters, or purchase and install an additional “legacy” SCSI PCI card (one that supports older devices).

For more information about using different types of SCSI devices with your computer, see the Tech Info Library at Apple’s Web site: til.info.apple.com

48 Chapter 3

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Contents Setting Up Your Power Mac G4 Apple Computer, Inc Contents Installing Memory Installing a PCI Expansion Card or Replacing the AGP CardImportant Ergonomic and Health-Related Information Working Inside Your ComputerSetting Up Positioning the Computer and DisplayPlugging In the Computer You can skip this step115 USB ports ADC monitor port VGA monitor port Modem port Ethernet port Need Help? When You’re Not Using the Computer Adjusting Your MonitorWhat’s Next? Page If You Are New to the Mac This ChapterYour Computer at a Glance Opens the drive tray Ports and Connectors-Expanding Your Computer’s Capabilities Connect a phone cord to the internal modem Drive position Slots 2-5 33 MHz PCI slots Slot 1 AGP slot Hard disk drive carriers Sherlock 2-Your Internet Search Detective What You Can Do To Get StartedTips and Tricks To Learn MoreITools-Free Internet Services for Mac Users KidSafeCreate an alias of your iDisk for easy access IReview Apple.com-Your Starting Place on the World Wide WebApple Support Volume control Play button Favorites drawer QuickTime-Audio and Video on the InternetWhat You Can Do IMovie 2-Create and Edit Your Own Digital Movies PlayheadShare your desktop iMovie with your friends and family Set Schedule Adjust your Software Update schedule Multiple Users-Turn One Mac Into Many AccountsCreate a voice print passphrase Mac Help-Answers to All Your Macintosh Questions Using Your Computer Using Your Apple Pro Keyboard and Apple Pro Mouse Using the Standard Function KeysCustomizing Function Keys Using Your Apple Pro Mouse For More Information About Your Keyboard and MouseUsing USB Devices Connecting Multiple USB Devices For More Information on USBUsing FireWire Devices These are some of the things you can do with FireWireFireWire Target Disk Mode For More Information on FireWireUsing Your CD or DVD Drive Inserting a DiscEjecting a Disc Using Your Modem Using an External USB ModemPlaying DVD and Audio Discs For More Information on Your CD or DVD DriveConnecting to an Ethernet Network For More Information on Using Ethernet Using AirPort Wireless Networking How AirPort Provides Wireless Internet AccessWireless Network Connections Putting the Computer to Sleep to Save EnergyFor More Information on AirPort Attaching Scsi Devices to Your Computer Using the Computer as a Server Without a Monitor Transferring Information Between Two Macintosh ComputersPage Working Inside Your Computer Unplug the power cord Opening the ComputerPage Installing Memory Close the computer Installing Internal Storage Devices Installing Ultra ATA Drives Unplug the power cord bundle from the main logic boardRemove the power cord bundle from the drive Page Install the ATA drive in the U-shaped bracket Replace the carrier and drive Plug the power cord bundles into the hard disk drives Plug the power cord bundle back into the main logic board Installing Ultra160 LVD Scsi Drives When you attach the drive to the carrierWhen you replace the carrier and reconnect the drive cables Installing a PCI Expansion Card or Replacing the AGP Card About AGP CardsAbout PCI Expansion Cards Installing Your Card One of these five card guides Working Inside Your Computer Installing an AirPort Card AirPort Card connectorReplacing the Battery Chapter Troubleshooting Reset the computer’s parameter random-access memory Pram Contact an Apple-authorized service providerSoftware Problems If that doesn’t work, or if you hear tones during startupProblems With Your Display Make sure the display is connected ﬁrmly to the computer Processor and Memory Specifications Dimensions and Operating Environment32, 64, 128, 256, or 512 MB DIMMs CD-ROM and CD-RW Drive Specifications DVD-R/CD-RW Drive SpecificationsData transfer speed 100, 200, and 400 Mbps Ieee 802.3 compliantSpeed 53 kilobits per second Kbps AGP card with Apple Display Connector and VGA connector Amperes a maximum at 28 V DC in the Apple Display ConnectorFrequency 50-60 hertz Hz Computer can provide up to 15 W total to the FireWire ports Power Requirements for Devices You Can ConnectSystem Clock and Battery Page Safety, Maintenance, and Ergonomics Important Safety InformationAppendix B General Maintenance Protecting Your CD or DVD DriveImportant Ergonomic and Health-Related Information Maintaining Your DisplayShoulders relaxed Wavelength 790 nm Power out of objective lens 3.3mW

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