Mac Pro Classic, Snow Leopard, and 64 bit kernel
Hello, and thanks in advance for your thoughts and your help. A question was brought up on the macrumors forums about the shortcomings of the 2006 mac pro. Basically someone said that he would not get a used 2006 mac pro because "it can't boot into Leopard in 64-bit." I asked him what he meant and he said that he didn't think it was "true" 64 bit because in his system info it says "64 bit kernel and extensions - no". I poked around a little bit and found a good article:
http://www.appleinsider.com/articles/08/10/28/roadto_mac_os_x_snow_leopard_64_bit_to_thekernel.html
detailing that Leopard runs on a 32 bit kernel, mainly because every extension must be 64 bit in order to run on a 64 bit kernel, and that Leopard can run 64 bit applications even though it runs on a 32 bit kernel. The article states that Snow Leopard will be the first operating system on a 64 bit kernel.
Now, my question. Since my Mac Pro runs on 32 bit EFI instead of the new EFI 64, will I be able to have a similar 64 bit Snow Leopard experience? Will my EFI on my antique mac pro really limit the 64 bit Snow Leopard experience? Will my aluminum macbook be able to "do" more with snow leopard than my mac pro? and lastly, I am currently running the Radeon 4870 in my mac pro, since the guys at ATI snuck the 32 bit EFI onto the card as well as the 64 bit EFI, somehow. I wonder what's going to happen with all this when Snow Leopard drops.
I think part of the confusion is that the original Mac Pro does not enable 64 bit under Boot Camp. If you look at:
http://www.everymac.com/systems/apple/mac_pro/stats/mac-pro-quad-2.66-specs.html
The original Mac Pro is 64 bit in every way. Regular Leopard is not in the Finder. So there is still a chance you may get 64 bit processing on Snow Leopard even with the original Mac Pro.
From the above link:
Each of two Xeon 5150 "Woodcrest" Dual-Core processors have two independent processor "cores" with 4 MB of level 2 cache per processor. It also features a 128-bit SSE vector engine, 64-bit data paths and registers. Also offered, via custom configuration, were two 2 GHz Dual Core Xeon 5130 processors for US$300 less, two 3 GHz Dual Core Xeon 5160 processors for US$800 more, and starting April 4, 2007, two 3 GHz Quad Core Xeon X5365 (Clovertown) processors for US$1500 more.
I would not rely on AppleInsider as a resource. It is a rumor site.
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Well, it's worth a lot!
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How long ago did you purchase your Mac Pro? (I miss the old days, when users would modify their own firmware.)
See if you can buy from a seller who will let you test this out. There are some nice retailers out there, especially when you are dropping $1000s on a new Mac Pro.
I've been looking for a while now, Mac Pro sellers that have Snow Leopard know how valuable there machines are. There are no bargains if you want snow leopard.
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I currently own a 2008 Mac Pro (2,1) with 10.6.8
See if you can buy from a seller who will let you test this out.
Why not Apple? They have a 15 Day return policy. When I called Apple recently the person I spoke to suggested this. -
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Allan -
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martyver wrote:
...Can I get the new Mac Pro with Snow Leopard (running 10.6.8 currently) instead of Lion to avoid potential issues moving the project over?
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You will receive two e-mails from Apple, one containing a PDF with a redemption code, and one with the password you will need to unlock the PDF. Using the code, you will download Mountain Lion from the App Store, where it will appear among your Purchased items.
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Hi,
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Thank You.I am waiting for relevant reply from Apple Support Team.
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You'd have to contact Microsoft to find out what specs its OS requires, but I imagine the above would cover it.
Also note that Snow Leopard is only licensed to run on Apple branded equipment. -
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I've got an early 2008 Imac with an ATI Radeon HD 2600 Pro card running Snow Leopard 10.6.3.
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This question can be confusing and context-dependent, and there can be different reasons for asking about the "64-bitness" of the kernel. Particularly whether the application support for 64-bit is available, and whether the kernel itself is 64-bit.
For 64-bit application support. AFAIK, you have that.
For 64-bit kernel support, and the associated requirements for having 64-bit kernel extension (kext) support for your applications, and AFAIK, you don't have that.
See [Mac OS X v10.6: Starting up with the 32-bit or 64-bit kernel (ht3773)|http://support.apple.com/kb/ht3773] for the mechanisms available for Snow Leopard and Snow Leopard Server, if you want to test your current configuration. AFAIK, you have a 32-bit kernel.
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Looking thankfully forward to interesting replies! EmilI first installed the next to last version; the problem appeared there
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I recently Loaded Mac OS X Snow Leopard 10.6.3 on my MacBook. Now I cant print or save PDF files. I am asked for my "Owners Password" I bought this mac new, 3 years ago and dont remember my Owners password only my admin. How can I fix this?
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To fix Home folder permissions
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