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Originally Posted by redleader
MacOS is 32 bit. Conversely there is 64 bit Windows for x86-64, although its pointless at the moment (much like 64 bit hardware without 64 bit applications or the need for expanded address space actually).
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Looks like I'm wrong about the cooling. I wonder why they switched? All i saw was a quote about thermal density, but that seems suspicious to me. Afterall the heatpipe and waterblock both have copper bases. Is watercooling really all that much more effective then heatpipes? I doubt they're using any serious flow in these systems . . .
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OSX comes in two flavors, 32-bit & 64 bit. The only 64-bit Doze currently available is Server 2003. There will have to be a Athlon Doze, and a Itanium Doze I think. 64-bit Doze for Athlons is in beta. I know because I test it right now on a Opteron.
Many applications, including the whole Adobe suite and Lightwave, amongst others, are compiled for OSX in 64-bit already for sale. You can plug 8GB in your G5 to run those applications. 32-bit can't address more than 4GB or so. So there is a difference. This isn't some fluke, its just one of the few times where its convenient that the hardware guys and the OS guys are in the same company. They were ready for the OS when the hardware was ready. And depending on Microsoft to make launch dates is a formula for doom. Look at the Itanium fiasco. Talk about egg all over Intel's face. This is the biggest goof they've made since their RDRAM adventures of yore.
Don't get me wrong, I'm not some apologist for Apple. But the facts are the facts....and those are the facts.