[HM] Re: running OS 9

[enterprise]

on 31/1/04 2:48 pm, Barry Lyden at blyden at mac.com wrote:

> Yours is one of the only iMac models to ever ship with 10.2.7. This was
> the first version that shipped with the new G5s, and it is quite likely
> that this version does not support changing to an OS 9 start up disk.
> Or maybe the specific model iMac's firmware prevents this. I am not
> sure how Apple controls the startup OS choice. I would check with
> Apple.
> 
> Check out the following two articles. Perhaps they answer your question.
> 
> http://docs.info.apple.com/article.html?artnum=25517
> http://docs.info.apple.com/article.html?artnum=86209
> 
> It's conceivable that a different OS X version would allow you to start
> up in OS 9, but I don't really know for sure. If it's firmware driven,
> then probably not. I really have no experience with that.
> 
> HTH,
> Barry

Thanks, Barry (and Alex and Bob K); from researching the articles you
suggest, it seems that the serial number of the iMac meets with criteria for
the machine _only_ booting in OS X (whilst being able to hold the OS 9
System Folder, etc); and I naively thought that iMac G4s with either 700 or
800 MHz could boot in both OSs. Gonna have to try getting my money back...

thanks again to everyone.

michaelP




> On Jan 31, 2004, at 7:59 AM, enterprise wrote:
> 
>> hi folks, wondered if anyone can help here:
>> 
>> I've just purchased a nearly-new iMac G4/800Mhz; in most ways
>> identical to
>> the other iMac I have access to, G4/700MHz, but differing in the
>> version of
>> OS X it has on board; the 800MHz one sports OS X 10.2.7  and the 700MHz
>> sports OS X 10.1.2.
>> 
>> The point is that I needed a Mac that can boot in OS 9.2; the 700MHz
>> one is
>> fine with that, but even though I've able to install OS 9.2 onto the
>> 800MHz
>> hard drive, when I come to <Change Startup Disk>, it does not list it
>> (only
>> the 10.2.7 Folder), thus I cannot boot up in OS 9 (I have tried
>> shutdown and
>> restart etc).
>> 
>> Am I doing something wrong?
>> 
>> Is it possible that the later version of OS X (10.2.7) somehow
>> _disables_
>> the use of OS 9 for booting? If so, can I just re-install the previous
>> version of OS X (10.1.2) and make everything OK (OS 9-wise)?
>> 
>> regards
>> 
>> michaelP
>> 
>> 
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> 
> 
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