Apple G4 15 manual Installing Additional Memory, Installing Additional RAM

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Installing Additional Memory

Your computer comes with two memory slots, one above the other, that you access by removing your PowerBook keyboard. Your computer comes with a 64 or 128 megabyte (MB) Synchronous Dynamic Random-Access Memory (SDRAM) module installed in the lower slot. The upper memory slot can accept a SDRAM module that meets the following speciﬁcations:

mSmall Outline-Dual Inline Memory Module (SO-DIMM) format

m1.5 inch or smaller

m64, 128, 256, or 512 MB

m144-pin

mPC-100 Type RAM

Note: SDRAM from an earlier PowerBook that meets these speciﬁcations can be used with your PowerBook.

The maximum amount of RAM you can install in your PowerBook is 1 GB, using 512 MB DIMMs in both the upper and lower RAM slots.

Installing Additional RAM

1Shut down your computer. Disconnect the power adapter, phone cord, and any other cables connected to the computer.

2Flip the computer over and remove the battery.

The battery is removed to prevent you from accidentally turning on the computer while installing memory.

Latch

Battery

Warning The internal components of your PowerBook may be hot. If you have been using your PowerBook, wait 30 minutes after shutting down your computer to let the internal components cool down before continuing.

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Contents Getting Started Apple Computer, Inc Apple Computer, Inc. All rights reservedContents Battery PowerBook SpeciﬁcationsGetting Started Connecting the Internal Modem Plugging In the ComputerOpening the Display Turning the Computer On Problems Turning the Computer On?If the computer still doesn’t start up, see Tips for Using the Trackpad Moving Items on the ScreenAdjusting the Internal Display Adjusting the Brightness and Display ResolutionAdjusting the Display Resolution About the Resolutions Supported by the Built-In DisplayCalibrating Your Battery for Best Performance Where to Go From HereIf you would like additional information, see the following Put Your PowerBook to Sleep What to Do When You Are Finished WorkingShut Down Your PowerBook Page If You Are New to the Mac This ChapterBasic Features of Your PowerBook Press this key to eject a CD or DVD disc Additional Features of Your PowerBook Connect a standard phone line directly to the internal modem Inside Your PowerBook Optional AirPort Card Sherlock 2-Your Internet Search Detective Tips and Tricks What You Can DoTo Get Started To Learn MoreITools-Free Internet Services for Mac Users KidSafeWhat You Can Do To Get Started Upload pictures to your iDisk to create custom iCardsIReview 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 USB Devices and Battery Power Using USB DevicesUniversal Serial Bus USB Using Multiple USB Devices at the Same Time For More Information on USBThese are some of the things you can do with FireWire FireWireUsing FireWire Devices FireWire Target Disk Mode FireWire Devices and Battery PowerFor More Information on FireWire Inserting and Ejecting a PC Card PC CardsFor More Information on PC Cards How AirPort Provides Wireless Internet Access AirPort Wireless Internet and NetworkingFor More Information on AirPort For More Information on Using Ethernet Ethernet 10/100Base-TMaking an Infrared Connection Infrared IrDAFor More Information on Infrared External Video Support VGA and S-Video Connecting an External Monitor Using Your PowerBook With the Display ClosedConnecting a Television, VCR, or Other Video Device For More Information on Using an External Monitor or TVBattery Removing and Replacing the BatteryCalibrating a New Battery for Best Performance Charging a BatterySwapping Batteries While the Computer Is in Sleep For More Information on Your PowerBook Battery Battery-Saving TipsUse a lighter desktop pattern DVD Drive Inserting DiscsPlaying DVD Discs Ejecting a Disc From the DVD DriveFor More Information on Your DVD Drive Keyboard Controls and Programmable Function Keys Using the Standard Function KeysAssigning Programmable Function Keys Using the Embedded Numeric Keypad For More Information on Keyboard ControlsSecurity Slot and Keyboard Lock For More Information on Security OptionsWorking Inside Your Computer Installing Additional Memory Installing Additional RAMWorking Inside Your Computer Chapter Locate the upper RAM expansion slot Page Working Inside Your Computer Start up your computer Making Sure Your Computer Recognizes the New MemoryInstalling an AirPort Card Chapter AirPort antenna AirPort Card Working Inside Your Computer Removing the Internal Hard Disk Working Inside Your Computer Disconnect the connector cable from the logic board Replace the Hard Disk and Bottom Case Connect the hard disk connector cable to the logic board Working Inside Your Computer Page Troubleshooting Information in This ChapterProblems That Prevent You From Using Your Computer Troubleshooting Other Problems Locating Your Product Serial NumberSpeciﬁcations Apple System ProfilerModem speed 53 kilobits per second Kbps PowerBook SpecificationsOutput DC 14.4 External monitor in extended desktop mode Page Storing Your PowerBook Cleaning Your PowerBookTo clean your PowerBook screen, do the following Cleaning Your PowerBook DisplayConnecting a Phone Line to the Internal Modem Safety Instructions for Setting Up and Using Your ComputerPlugging In the Power Adapter Using Your PowerBookGeneral Safety Instructions Ergonomics Built-in display Wavelength 790 nm Power out of objective lens 3.3 mW