crescendo WS G4 Manuel - Page 6
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Imprimer la pageEnabling AltiVec Support—OS 9.0.x and Crescendo/WS G4
Support Note:
The Crescendo/WS G4 processor upgrade card features
AltiVec (dubbed Velocity Engine
unit that greatly speeds certain operations in AltiVec-enabled applications. To
take advantage of AltiVec-enabled applications, your system must be running
Mac OS 9.0 or higher. If your PowerBook is running Mac OS 9.1 or later, skip
the following sections; AltiVec-support is already enabled.
Enable AltiVec—Existing OS 9.0 installation
This section describes how to update an existing Mac OS 9.0 installation to enable
AltiVec on your Crescendo/WS G4-upgraded PowerBook. If you are upgrading to
Mac OS 9.0 at this point, go to the next section.
1. Make sure your PowerBook is plugged in, and if necessary, open the Energy
Saver control panel and set it so your PowerBook will not go to sleep.
2. Insert the Mac OS 9 CD into your CD-ROM drive. In the finder menu, select
Special: Restart, then immediately press and hold down the C key on your
keyboard until your system restarts and the Welcome to Mac OS screen
appears.
3. Double click the Mac OS Install icon. Proceed through the next several
screens until the installer tells you that Mac OS 9 is already installed. Click
the Add/Remove button to continue until you reach the Install Mac OS 9
window.
4. Click the Customize button. In the Custom Installation and Removal window
deselect all software components except for Mac OS 9. Click the pop-up
menu to the right of Mac OS 9 and change "Recommended Installation"
to "Customized installation." The Select Mac OS 9 Features to Install window
will appear shortly. Change "Recommended Installation" to "None" from
the pop-up menu. Click the Core System Software checkbox (it should be
the only checkbox with a checkmark). Click OK, Start, then Continue to
complete the installation. After the software is installed, quit the Mac OS
Install application and restart your PowerBook; your PowerBook is ready to
use and your installation is complete.
Enable AltiVec—Upgrade to Mac OS 9.0
This section describes how to upgrade to your PowerBook's system software to
Mac OS 9.0 from a previous version; AltiVec support for your Crescendo/WS
G4-upgraded PowerBook will be installed automatically.
1. Make sure your PowerBook is plugged in, and if necessary, open the Energy
Saver control panel and set it so your PowerBook will not go to sleep.
2. Insert the Mac OS 9 CD into your CD-ROM drive. In the finder menu, select
Special: Restart, then immediately press and hold down the C key on your
keyboard until your system restarts and the Welcome to Mac OS screen
appears.
3. Double click the Mac OS Install icon. In the Select Destination window, click
the Options button and click the Perform Clean Installation check box that
appears in the subsequent screen. Click the Select button. Proceed through
the next several screens until you reach the Install Software window. Click
OK, Start, then Continue, and complete the installation. After the software is
installed, quit the Mac OS Install application and restart your PowerBook;
your PowerBook is ready to use and your installation is complete.
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