Philips 1314L2S Leaflet

 While performing these upgrade procedures, 

static safe conditions must be met. Do not walk around, 
hold all components by their edges, and do not touch the 
connector contacts.

Thank you for purchasing your new OWC Mercury Extreme 

G4 AGP processor upgrade! Please read through this entire 

installation manual before proceeding with the upgrade to 

familiarize yourself with the process. Before installing any 

hardware component, it is recommended that you back up 

any important data from your hard drive. If you are planning 

on performing multiple upgrades, it is highly recommended 

that you complete one upgrade at a time before proceeding 

with the next.

• #1 Phillips Screwdriver (Included!)

• Needle Nose Pliers (to remove heatsink clips)

• Internet Access (to update fi rmware, if needed)

The OWC Mercury Extreme G4 processor is compatible with 

any Power Macintosh G4/AGP Graphics, Gigabit Ethernet, 

Digital Audio, QuickSilver or QuickSilver 2002 model. To de-

termine which system you have, please refer to this online 

Apple document.

The OWC Mercury Extreme G4 processor is compatible with 

Mac OS 9.2.1 and later, including all versions of Mac OS X.

 If your computer is a Power Macintosh AGP 

Graphics, Gigabit Ethernet or Digital Audio model, you 
must upgrade it’s fi rmware to version 4.2.8. This cannot be 
performed using Mac OS X, you must boot into Mac OS 9 
to upgrade the fi rmware. Please refer to this online Apple 
document:

To verify which revision of fi rmware your system is running, 

boot into OS 9 and open the Apple System Profi ler from under 

the Apple Menu. The last drop down tab is “Production Infor-

mation”, and the second item listed is the Boot ROM Version. 

Your system must be at $004.28f1 or later to proceed. 

Remove the heatsink from your logic board. Use the needle 

nose pliers to unhook the clips from the processor card.

Remove the 3 circled screws from the processor 

daughtercard and set them aside, you do not reuse them.

Unscrew these two screws from the rear port panel on 

your system. This will release the fan from behind the 

heatsink and allow you to unhook the rear heatsink clips in 

the next step. 

Remove the heatsink from your logic board. Use the needle 

nose pliers to unhook the clips from the processor card. If 

your system includes a processor fan or cover, unplug it and 

then remove by unclipping it and pulling straight up and out. 

You will not be reinstalling this heatsink, fan or shroud.

Remove the 4 circled screws from the processor daughtercard 

and set them aside, you do not reuse them.