Solution to the Kernel Panic Unable to Find Driver for This Platform "ACPI"

All,
I have had this issue with the a few times and thus far the only solution from Apple has been to do a reinstall of the OS. The catalytic event has been software updates from Apple and in the case it was iTunes. In the current case I did not even have the option to archive and reinstall, only option was to erase and install. Needless to say much time has been wasted... Apple now thinks it may be the logic board and I am slated for a repair.
Fortunately I was able to solve the issue this time around here are a few notes for you:
1) I had back-ups so data was less at risk ( we all know about this right!)
2) I had a boot partition - "eDrive" (care of Tech Tools Pro) that was able use as a startup disk (Option key at boot)
3) I was able to test and access the dead start-up partition an everything was in good order.
4) a search of the web lead me to this article - THANKS to all who posted
http://www.macfixitforums.com/printthread.php?Cat=&Board=tiger&main=827659&type= thread
5) The article gave me an idea. Now here is the easy part. I launched the 10.4.10 Combo Update while active in the good eDrive partition and selected the dead partition at he target to update.
6) that was it hat was all... rebooted and everything worked again.
I am still going to get the logic board replaced... too risky.
Model Name: MacBook Pro 15"
Model Identifier: MacBookPro2,2
Processor Name: Intel Core 2 Duo
Processor Speed: 2.33 GHz
Number Of Processors: 1
Total Number Of Cores: 2
L2 Cache (per processor): 4 MB
Memory: 2 GB
Bus Speed: 667 MHz
Boot ROM Version: MBP22.00A5.B01
SMC Version: 1.12f5

Hi Guys
No good news I'm afraid. I have been through ALL the system caches and files that were updated at the time of said issue. Reset - rebuild and even gone back to my TimeMachine copy from earlier this AM. Nothing! Can only assume it is something deeper in the /usr or var or private folders.....
I have cloned the system and core files (/usr, /private) etc etc to an external HD and it still recreates the fault. I am afraid to say I have no more time at the minute to look at so have put my machine back to 2 hours prior via my TimeCapsule.
I the absense of anyone else or, indeed, Apple fixing in the next 12 hours, will get back onto it from the cloned copy I have kept and see if I can find the offending file/files...
Sorry I don't have an immedaite solution.

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