Sonnet Technologies Encore_ST G4 (With No Heatsink) Processor Upgrade Card - Manual (Page 2)

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Multiple Upgrade Recommendation
If you intend to perform multiple hardware upgrades to your Power
Mac, we recommend that you complete the installation of the
Encore/ST fi rst, and then install the remaining upgrades; complete each
upgrade and test it before proceeding to the next.
Install or Upgrade to Mac OS 9.2.1 or Later, If
Necessary
The Encore/ST G4 requires Mac OS 9.2.1 or later in order to operate
in your system, and must be installed before you install the processor
upgrade card.
1. Verify the Mac OS version on your system is at least Mac OS
9.2.1, and then install or upgrade the OS software if necessary
(Figure 1).
Update Power Mac Firmware
Before installing the Encore/ST, you must ensure your AGP Graphics,
Gigabit Ethernet, or Digital Audio system’s fi rmware has been updated
to the latest version (currently 4.2.8). Please note, your system must be
able to make a connection to the Internet to perform some of the steps in this
section.
1. Boot your system in Mac OS 9.2.1 or later (not OS X, nor OS X
Classic mode). As of this writing, Apple has not made this fi rm-
ware updater available as an OS X application.
2. From the Apple Menu, select and open Apple System Profi ler.
Click the triangle next to Production Information, and fi nd
the Boot ROM version information (Figure 2). If it reads
“$0004.28f1”, skip the rest of the steps in this section and pro-
ceed to page 3. Otherwise, go to step 3.
3. Log on to the Internet and type the following in your browser
window’s address bar:
http://docs.info.apple.com/article.html?artnum=120068.
4. Click on the appropriate link to download the firmware (Figure 3).
5. Double-click the G4 FW Update 4.2.8.smi fi le icon to mount
the G4 Firmware Update disk image.
6. Double-click the G4 Firmware Update icon to open the disk
image, then double-click the About G4 Firmware Update fi le
icon. Once the read me fi le has opened, print it.
7. Following the directions on the pages you printed, update the
fi rmware on your system. If a message appears stating that your
fi rmware is up-to-date, proceed to the next section.
WARNING: When you install (or upgrade to) Mac OS 9.2.1 or
later, you may have to upgrade the your computer’s firmware
as part of the software installation. Please note, the firmware installed
with the Mac OS may not be the version required by the Encore/ST.
Before installing the Encore/ST, you may be required to upgrade
your firmware again; you MUST ensure your system is using ver-
sion 4.2.8 firmware. If your system is using an earlier version of the
firmware, your system will not operate with the Encore/ST installed.
Figure 3
Figure 2
Figure 1
Software and Firmware Installation/Update Info