Apple G4 manual Opening the Computer, Unplug the power cord

Page 52

Opening the Computer

1To shut down your computer, choose Shut Down from the Special menu. Wait ﬁve minutes to allow the computer’s internal components to cool.

Warning Always shut down the computer before opening it to avoid damaging its internal components or the components you want to install. Do not open the computer or attempt to install items inside it while it is turned on.

2Unplug all the cables from the computer except the power cord.

3Touch the metal PCI access covers on the back of the computer to discharge any static charge.

Touch the metal portion of the PCI port access covers.

Important Always do this before you touch any parts, or install any components, inside the computer. To avoid generating static electricity, do not walk around the room until you have ﬁnished installing the expansion card, memory, or internal storage device and closed the computer.

4Unplug the power cord.

Warning The power supply in your computer is a high-voltage component and should not be opened for any reason, even when the computer is off. If the power supply needs service, contact your Apple-authorized dealer or service provider.

52 Chapter 4

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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? Adjusting Your Monitor When You’re Not Using the ComputerWhat’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 the Standard Function Keys Using Your Apple Pro Keyboard and Apple Pro MouseCustomizing 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 FireWireInserting a Disc Using Your CD or DVD DriveEjecting 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 AccessPutting the Computer to Sleep to Save Energy Wireless Network ConnectionsFor 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 About AGP Cards Installing a PCI Expansion Card or Replacing the AGP CardAbout 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 Dimensions and Operating Environment Processor and Memory Specifications32, 64, 128, 256, or 512 MB DIMMs CD-ROM and CD-RW Drive Specifications DVD-R/CD-RW Drive SpecificationsIeee 802.3 compliant Data transfer speed 100, 200, and 400 MbpsSpeed 53 kilobits per second Kbps Amperes a maximum at 28 V DC in the Apple Display Connector AGP card with Apple Display Connector and VGA connectorFrequency 50-60 hertz Hz Power Requirements for Devices You Can Connect Computer can provide up to 15 W total to the FireWire portsSystem 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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