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Read Before You Install
Mac OS X
This document provides important information you should read before you install Mac
OS X. It includes information about supported computers, system requirements, and
installing Mac OS X.
For more information about Mac OS X, visit this Apple Web site:
www.apple.com/macosx/
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For the latest information about this release of Mac OS X, connect to the Internet and
open Mac Help. To open Mac Help, choose Mac Help from the Help menu in the Finder.
For information about the support available for this product, see the “AppleCare
Software Services and Support Guide” included with Mac OS X.
Supported computers
You can install this version of Mac OS X on any of the following computers:
Power Mac G4
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Power Macintosh G3
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PowerBook G4
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PowerBook G3 (except the original PowerBook G3)
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iMac and eMac
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iBook
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System requirements
Your computer must have
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at least 128 MB of RAM
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a built-in display or a display connected to an Apple-supplied video card
The amount of disk space required depends on your computer and the way you are
installing Mac OS X. If you see a message that you do not have enough disk space to
install Mac OS X, you can deselect items to save space.
Updating your computer's firmware
Before you install Mac OS X, you may need to update your computer’s firmware. You
must do so before you can install Mac OS X. You can find firmware updates for your
computer on the Apple Software Updates Web site:
www.info.apple.com/downloads/
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For example, if you have a Power Macintosh G3 (Beige) computer with an Apple Ultra
Wide SCSI PCI card, you should update the firmware for the card using the Mac OS X
SCSI Card Updater available on the Apple Software Updates Web site.
Check for other updates by using Software Update preferences.
Important
with your computer. Check with the manufacturers of the devices for the latest update.
You may need to update the software for printers and other devices you use
Starting installation
To start installing Mac OS X, double-click the Install Mac OS X icon on the Install Disc 1
CD.
You can also start installing Mac OS X by restarting your computer while holding down
the C key or selecting the Mac OS X Install Disc 1 CD as your startup disk using Startup
Disk preferences.
Quitting the Installer
If you need to quit the Installer before you click Upgrade or Install in the Easy Install or
Custom Install pane, choose Quit from the Installer application menu and click Restart,
then hold down the mouse button to eject the Install Mac OS X CD. You may be able to
eject the CD by pressing the eject button on your tray-loading CD drive or the Eject key
on your keyboard. Your computer restarts using your current startup disk.
If you have already clicked Upgrade or Install, wait until installation finishes.
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