64 bits question for mac pro users

Hi,
I am actually in the process of buying a new Mac Pro and I would like to know if someone here could help me to understand what's going on with the 64 bits mode thing on the mac pro.
I have a mac pro 1,1. Now I am using SL, but ML is out for a while. I use Logic 9 and most of my plugins supports the 64 bits mode, but I am sticked to the 32 bits mode.
First question: Is it right to think that going for 64 bits mode computer now will greatly improve the performances and internal memory management on Logic in 64 bits mode with plugins in 64 bits mode?
Second question: Looking at the wiki page for the mac pro (http://en.wikipedia.org/wiki/Mac_Pro#Specifications), I understand that the 5,1 model is fully 64 bits compatible, but what about the 3,1 and 4,1 models? Are they fully 64 bits compatible if they are upgraded to ML? Why is the kernel not 64 bits?
I would like to buy a used mac pro, which would fit better in my budget right now. But, I am looking for better performances and a 64 bits mode of operation, and these are my priorities right now.
Thanks for your time to help me.
Martin

Yes. And no.
Use all 8 DIMM slots. Result = 17% boost over not.
Use 667MHz 2GB DIMMs = 4% slower (not noticed real world, Barefeats also).
Yes you can't use 8GB DDR3 etc.
I thnk that the issues wtih ML and Lion, the issue witrh some PCIe cards not working, not being bootable, and that it was the first to try to implement the new EFI and SMC in 3 yrs - are bigger issues.
And the cost of system even now is too high without taking into account: RAM, will I need to upgrade the video card it came with? before I can use it.
Yes. Penny wise and pound foolish over 4 yrs old model now (will turn 5 in February) and was first booted by Intel in November 2007.

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Message was edited by: thehenry
Message was edited by: thehenry

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Hello I am in Afghanistan i searched that in realtek but that told me you coulde not use this sit   I writ again my problem    i installed win 7 32 bit in my mac pro 13-inch, Late 2011 Processor 2.4 GHz Intel Core i5

On Thu, Jun 14, 2012 at 12:54 PM, mahdi ehsani <[email protected]> wrote:
On Sun, Jun 10, 2012 at 7:29 PM, Apple Support Communities Updates <[email protected]> wrote:
Apple Support Communities
Re: after install windows 7 32 bit there is no sound my mac is os x 10.7.2
created by The hatter in Boot Camp - View the full discussion
This solved my question
This helped me
you have RealTek on your workstation and just download the current driver which is easy to findwww.realtek.com
This solved my question
This helped me
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hello I am in Afghanistan i searched that in realtek but that told me you coulde not use this sit
I writ again my problem
i installed win 7 32 bit in my mac pro 13-inch, Late 2011 Processor 2.4 GHz Intel Core i5   Software Mac OS X Lion 10.7.2 (11C74)
but there is no sound in windows 7 please send me a address sit for downoad driver that i can use in Afghanistan
believe it is confus me and other friend that bought 5 mac's that are the same and i serched a lot of site without result
please help us by address site please please .....
<Edited by Host>

hello I am in Afghanistan i searched that in realtek but that told me you coulde not use this sit
I writ again my problem
i installed win 7 32 bit in my mac pro 13-inch, Late 2011 Processor 2.4 GHz Intel Core i5 Software Mac OS X Lion 10.7.2 (11C74)
but there is no sound in windows 7 please send me a address sit for downoad driver that i can use in Afghanistan
believe it is confus me and other friend that bought 5 mac's that are the same and i serched a lot of site without result

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A much better question is "how should I protect my Mac":
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Such "phishing" attempts are the 21st century equivalent of a social exploit that has existed since the dawn of civilization. Don’t fall for it.
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Block browser popups: Safari menu > Preferences > Security > and check "Block popup windows":
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If you ever see a popup indicating it detected registry errors, that your Mac is infected with some ick, or that you won some prize, it is 100% fraudulent. Ignore it.
Ignore hyperventilating popular media outlets that thrive by promoting fear and discord with entertainment products arrogantly presented as "news". Learn what real threats actually exist and how to arm yourself against them:
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Never install something without first knowing what it is, what it does, how it works, and how to get rid of it when you don’t want it any more.
If you elect to use "anti-virus" software, familiarize yourself with its limitations and potential to cause adverse effects, and apply the principle immediately preceding this one.
Most such utilities will only slow down and destabilize your Mac while they look for viruses that do not exist, conveying no benefit whatsoever - other than to make you "feel good" about security, when you should actually be exercising sound judgment, derived from accurate knowledge, based on verifiable facts.
Do install updates from Apple as they become available. No one knows more about Macs and how to protect them than the company that builds them.
Summary: Use common sense and caution when you use your Mac, just like you would in any social context. There is no product, utility, or magic talisman that can protect you from all the evils of mankind.

64 bits question for mac pro users

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