What gives?

[Daniel Gimpelevich]

Does all of this still happen even after you run the firmware flasher? You
have nothing to lose by trying that, and the error you got regarding the
address property leads me to believe that perhaps the firmware was
improperly flashed once before. Once again, the URL is
http://www.info.apple.com/kbnum/n58374 to download the flasher.

On Wed, 06 Oct 2004 21:36:21 -0400, GDB-B&W-X.3.5 wrote:

> GDB-B&W-X.3.5 wrote:
> 
>> mascarasnake wrote:
>>
>>> Hey Doug -
>>>
>>> Befuddled is the word that comes to mind. The only thing I can think 
>>> of at this point is for you to reset the CUDA switch.
>>>
>>> A cursory google didn't give me a "where's the CUDA switch?" and I'm 
>>> really too lazy to dig my box out of it's cubby in my desk to double 
>>> check, but here's a how to:
>>>
>>> <http://www.mail-archive.com/imac-list@mail.maclaunch.com/msg12502.html>
>>>
>>> It's for an imac, but essentially the process is the same - you just 
>>> have to locate the switch in your box.
>>>
>>> HTHO and g'luck
>>
>>
>>
>> I think befuddled is the perfect word for this situation and one that 
>> fits me to a tee!  I completely forgot about the CUDA switch and 
>> hopefully it should do the trick nicely.  BTW, while googling a bit on 
>> my own I came up with this page which gives some great tips also.  
>> Will let you all know if it works after I try some of the things 
>> suggested on this page.
>>
>> http://resale.headgap.com/bobsmactips.html
> 
> Further update.  I tried removing the battery and pressing the CUDA 
> switch.  After leaving the battery out for about 15-20 minutes and doing 
> a slow 5 count holding down the CUDA switch, the machine will boot as it 
> should after hooking everything back up.  In other words, pressing the 
> power switch results in the yaboot prompt of MacOS, MacOSX or YDL.  As 
> long as I choose YDL and reboot from there, I will get the prompt each 
> subsequent time I reboot.  Just as soon as I choose either Mac OS and 
> try a reboot, the machine hangs again, which leads me to believe 
> something on the Mac side of things is causing the problem.  BTW, no big 
> trick to get it to reboot.  Doing a power reset and one gong of the PRAM 
> reset will get the yaboot prompt back again.  The first time I set up 
> YDL on this machine I only had problems rebooting from OS9 which I 
> thought had something to do with the odd partition map, but setting up 
> the machine as YDL suggests this time has resulted in no reboot from 
> either Mac OS.  I'm going from bad to worse!  As few times as I used OS9 
> I would have been much better off leaving things as they were.  Live and 
> learn I suppose.
> 
> Just a message from Doug...
> 
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