On Jun 16, 2010, at 9:21 AM, Scott G. Lewis wrote:
>> This is a pretty silly distinction. You are right that 10.6.4 is not
>> (yet) a "reference"[1] release, but many people on this list would consider
>> it trivial to make bootable media using that update to get a 10.6.4 system
>> that can boot systems that came out since 10.6.3 (presumably... this usually
>> works but I have not tried it yet with the new hardware). It is not even
>> that difficult to make an installer disk that will install a 10.6.4 system
>> just like a reference release would.
>>
>> [1] This is generally what I have heard OS release called when Apple updates
>> the version of the OS disks that it sells at stores.
>
> Yes, but taking a bootable system that supports all current shipping hardware
> (ie: a system preinstalled by Apple on an i7 or i5, or using the installer
> that came with such a system and installing it onto an i5 or i7) and patching
> it to 10.6.4 is not the same thing as using any random SL disk and patching
> to 10.6.4.
>
> The original poster is trying to skip the special build, and I don't think
> it's possible, or at the very least, it's tremendously more complex.
I do this all the time, and maintain InstaDMG which is predicated on
the idea of doing exactly this. Every time I talk on this subject at
conferences I bang on the "only use reference releases in imaging" drum. In
other words I actively tell people to avoid using the machine-specific discs
when creating system images intended to work on more than one model of
hardware. The usual "this is not supported until at least the next dot-revision
is out" is included in that message.
This has been highly successful, with only a few exceptions (most
notably the iMacs that came out right before 10.5). I should note here that I
don't think that the new Mac minis that came out yesterday, on the same day as
10.6.4 are supported by 10.6.4 (they even have a special version of the 10.6.4
updater). This is too bad, as it means that there is going to be a while before
they are "back in the fold".
--
Karl Kuehn
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