At 12:58 AM -0700 9/27/99, Douglas Wagner wrote:
>I agree. I've been interested in a G3 upgrade for some time. However,
>recent enquiries have led me to believe that MacOS X Client will not run on
>an upgraded 2400. If the current MacOS wasn't such a lemon upgrading would
>be worthwhile. As things stand, I see an upgrade as an (expensive) dead
>end.
>
>Elsewhere: David Stempnakowski <[EMAIL PROTECTED]> said,
>"I can't give you a for sure, definite answer. I did attend a meeting
>with our local Apple Rep back in April and the question was asked at
>that time, but more in regard to older PCI macs with G3 Processor
>cards installed. The answer given at that time was that only machines
>which originally had G3 and later processors installed would be
>compatible. It had something to do with the ROM and logic board
>architecture".
>
>and Dave Schroeder, <[EMAIL PROTECTED]> University of Wisconsin, said,
>"I can guarantee to you that OS X Client will not, and will never, work
>on a 2400c with any kind of upgrade card, G3 or otherwise. It has
>nothing to do with the processor, but rather the motherboard architecture
>of the machine. Unfortunately, I don't have time right now to write a
>detailed explanation, but I'm afraid that's your answer".
While there are no guarantees, the picture is actually quite a bit
brighter than that.
Item the First: I have run MacOS X Server on my 2400. It can be
done. Not too difficult, either.
Item the Second: Unless they change the OS X Client kernel a lot, it
ought to still work.
Item the Third: Even if they do change it enough that it no longer
works, there is still hope. The UNIX kernel is the part of OS X
which needs to understand the particular machine OS X is running on.
The rest of OS X is not machine-specific. Apple has made the OS X
kernel open source through the Darwin project. So long as they stick
to updating Darwin and keep it synced with the OS X Client kernel, it
will be possible for other people to port the Darwin kernel to older
machines such as the 2400. Once Darwin is running on a machine, it
should be possible to install the rest of OS X around it.
Tim Seufert
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