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PowerLogix PowerForce 7447/7457 Installation Manual
Select option 4 from the above choices. You will see a notice that verifies the flash has burned successfully
and your computer will shut down in 30 seconds.
Note:
if your computer was previously patched for 7457 compatibility, you will simply be prompted to add
7447 compatibility and the menu above won’t appear.
Mac OS 9.2.2 Compatibility
If you intend to boot using Mac OS 9.2.2, start up the computer again while holding down the “C” key. You
do not need to hold down the programmer’s switch during this step.
Press “5” to enable Mac OS 9.2.2 compatibility.
Note:
This step is not required to operate Classic under OS X; it is only required if you intend to actually boot
directly into Mac OS 9.2.2.
After a few second, the NVRAM will be updated, and your Mac will shut down in 30 seconds.
Note:
If you reset the PRAM, the NVRAM code for OS9 compatibility is cleared, and you will have to boot
from the Firmware Update CD and perform this process again in order to boot into OS9.
Note:
Make sure any OS 9 boot volumes have the CPU Plugins file removed from the System Folder/
Extensions/Multiprocessing folder, or your machine will not boot.
Note:
Any boot CDs must also have CPU Plugins removed. This includes any emergency disks from Norton,
Disk Warrior, etc. You will need to make backup copies of these boot CDs with the CPU Plugins file removed
from the System Folder/Extensions/Multiprocessing folder. If CPU Plugins is present in that location on the
CD, it will prevent the machine from booting, as CPU Plugins is not 7457-aware.
Your Mac is now compatible with the Powerlogix processor
upgrade. Please proceed to the installation instructions.