OS X :: Slow Leopard 32bit, 64bit?

Aug 21, 2009

This article gave me a little bit more understand and also made me feel better that either booting in 32bit or 64bit kernel will not make a huge difference due to hardware limitation.

[URL]

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OS X :: Snow Leopard 32bit Versus 64bit Kernel - How To Boot It / Finding Supported Hardware

Aug 27, 2009

So, with Snow Leopard, there is a 32-bit kernel, and a 64-bit kernel. Correct?

As I understand it, it will boot into the 32-bit kernel by default, but if your hardware is supported, you can select the 64-bit kernel.

My question is - where is the list of supported hardware, and how do you select the 64-bit kernel?

My confusion comes from several posts and various articles which all say the first-gen aluminium iMac has a 32-bit EFI, and therefore can only boot into the 32-bit kernel. But I've just downloaded an app called Startup Mode Selector, which shows you your system config, and it says I have a 64-bit EFI.

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MacBook Pro :: Snow Leopard Has A 32bit Kernel As The Default Like 64bit Kernel?

Aug 13, 2009

Yes you read that right. Your brand spanking new MBP will use a 32-bit kernel as default.

You can force 64-bit kernel but some of your hardware will not be working.

So all that marketing crap about the benefits of 64-bit etc are all B.S.

I don't want a million threads about how this will not effect the running of 64 bit apps, etc. because it will. Your 64-bit app will run but it will not be able to address more than 4Gb of RAM.

There are also many more advantages to having a 64-bit kernel.

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Windows On Mac :: Best Way To Go From 32bit XP - 64bit 7?

Oct 11, 2009

My Windows XP partition is getting claustrophobic and it's about time I upgraded from an 8 year old OS.

Anyway, what's the easiest way to do this? I assume it'll have to be a clean install to go from XP to 7 and 32bit to 64bit.

I have a fair number of programs and several gigabytes of Steam games which is why I haven't done it yet.

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MacBook Pro :: 64bit Vs 32bit?

Apr 16, 2010

How's it going everyone, I'm fairly new to Mac and I'm not very technical at all. I just purchased an i7 15" and I'm confused when it comes to 64bit vs 32bit. Does the computer automatically switch between the two or is there something you have to specifically do to run one or the other? For instance, I downloaded Handbrake last night, it asked if I wanted 64bit or 32bit? I have no clue? I bought a powerful machine, I want to make sure I utilize it.

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Desktops :: 32bit/64bit Which One Is My MacPro 3,1?

Oct 4, 2010

do i have a 32 or 64 bit default macpro and do i want to set it to 64 bit or leave it 32?

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IMac :: Windows 7 64bit Or 32bit?

Oct 22, 2009

Today I got my new 21.5 base model iMac, along with windows 7 Ultimate. I was wondering if I should install the 32 bit version or the 64.

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Mac Pro :: Install Vista 32bit Or 64bit For Gaming?

Feb 15, 2008

Im about to recieve my MPro w/8800, and plan to have a dedicated HD for Windows in bootcamp. Windows will be used exclusively for gaming (real-time-strategy games mostly, if this matters).

I am keen on going into Vista, trading a bit of XP performance/stability towards full/hassel-free compatibility with Directx10 and future games, but have no clue whether it makes sense or not to go with the 64 bit version.

I understand this version allows to use much more RAM (which i will have installed on the MPro), AND more than a single core used.

What i dont have a clue about is wether the 64bit version is compatible with all (or grand majority) of games, whether they do actually take advantages of the 64 bit possibility (which im not sure at all, as i believe you have to program it to do so), etc.

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Applications :: Vmware + Windows (32bit Vs. 64bit)?

Nov 11, 2009

I'm not sure which forum this belongs in, but given that its really a vmware question, I'm thinking that applications is the best fit.

Anyways, if I decide to take the plunge and get windows 7, it will be for the express purpose of running within vmware. I have zero interest in running it in bootcamp (I use fedora and boot into that) so basically which version of win7 would provide the best performance. The 32bit or 64bit flavor

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OS X :: Moving From 32bit To 64bit Mac Using Time Machine

Aug 20, 2010

I've recently bought a new iMac and would like to migrate my stuff from my early 2006 iMac (first intel mac, 32 bit). There are several ways of doing this, but I'd like to achieve:
1) Identical copy
2) Defragmented drive (previously it was getting very slow)

As I know from using Windows, you cannot simply create an image from one PC and move to another, because of differences in the kernel. The new PC may never boot. I am moving from 32bit to 64bit, so that would be quite a change. Also, should I use the migration assistant, or boot from recovery disc and recover from my time machine backup? Will the latter not result in a more identical system? And, is that desirable? My old iMac has all updates installed, so it should be the same as the new system.

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MacBook Pro :: Upgrade 13" From 32bit To 64bit?

Jun 23, 2012

i would like to know if it's possible to upgrade my 13" MacBook Pro from 32bit to 64bit

Info:
iPhone 4S, iOS 5.0.1

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Windows On Mac :: The 64bit And 32bit Versions Of Vista Both Included?

Mar 8, 2009

Is the 64bit and 32bit versions of Vista in the Vista Home Premium software? Or do you have to purchase the specific one? How can you tell the difference when looking at the package?

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OS X V10.7 Lion :: Kernel Appears 32bit And Processor Is 64bit On Mac Pro?

May 11, 2012

It appears that for whatever reason, the kernel on my Mac is 32bit/i386, but the architecture is 64bit:
Darwin system.local 11.3.0 Darwin Kernel Version 11.3.0: Thu Jan 12 18:48:32 PST 2012; root:xnu-1699.24.23~1/RELEASE_I386 i386

Though the kernel itself is a universal binary:
mach_kernel: Mach-O universal binary with 2 architectures
mach_kernel (for architecture x86_64):Mach-O 64-bit executable x86_64
mach_kernel (for architecture i386):Mach-O executable i386

Info:
Mac Pro, Mac OS X (10.7)

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Hardware :: How To Make Elgato Eyetv Hybrid Work On Windows XP/Vista/7 - 32bit Or 64bit

Jan 26, 2009

I know a lot of us have the Elgato Eyetv Hybrid and would love to use it on our Macs in conjunction with Bootcamp & Windows. Well I finally figured out how to do it! All I had to do is slightly modify some Windows drivers.

The hardware being used is very similar to the Hauppauge USB Sticks.

Elgato made 2 versions of the hybrid; the older version without QAM and the newer version with QAM. (It has been brought to my attention they also have a new version out with radio capabilities).

I have only been able to test this on the hybrid WITH QAM.

I was able to slightly modify the Hauppauge drivers which allowed the Elgato Eyetv Hybrid to work under windows using both the Windows Media Center and the standalone player by Hauppauge.

So here is what you need to do:

Go to Device Manager

Vista users: Right click on Computer > Click Properties > Click Device Manager

Now you should see some devices under "Other devices" with a yellow question mark next to them. Both should be called "EyeTV Hybrid" There are two because the USB stick has both a digital and analog tuner.

Right click on either device > Click Properties > Click Details tab > Where it says Property, scroll down to Hardware IDs

If the bold numbers match, these drivers will work for you. (If they don't match please provide me with your numbers so I can try and make drivers that will work for you.)
USBVID_0FD9&PID_0008&REV_0005&MI_03

Now we can close the EyeTV Hybrid Properties windows which brings us back to Device Manager.

Download both the modified drivers (an attachment below) and the manufacturer software here:

[URL]

Unzip and open the manufacturer software, navigate to the Drivers folder, and replace: HCWemBda.inf and HCWemBda64.inf with the modified drives you downloaded from me. (You also have to unzip and open the folder you downloaded from me).

Now go back to your Device Manager window, Right click on one of the EyeTV Hybrid devices with the yellow question mark next to it and click Update Driver Software...

Click Browse my computer for driver software > Click browse and navigate to the drivers folder from the manufacturer's software > Click Ok.

Do the same for the other device in Device Manager.

Now go to the manufacturer's software you downloaded earlier and double click Setup.

Finish the install and you should be Done

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Windows On Mac :: Windows Vista - 32bit Or 64bit?

Apr 27, 2009

I'd appreciate it if anyone could offer me some advice on whether to go with the 32bit or 64bit version of Vista on a 4-core 'Nehalem' Mac Pro. I've read that some drivers will fail to work under this version of the operating system - is this the case for the hardware in the Mac Pro (particularly the HD 4870)?

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Windows On Mac :: Gaming On Windows 7 32bit Or 64bit?

May 17, 2009

I currently have 268GB on my hardrive.

I have the 17" MBP Unibody so I want to start gaming again, and I have thought about Xp, Vista, and 7 and I have decided on windows 7 because its free and allows for DirectX10.

1.
Now I am trying to conserve hard drive space but should i get the 16GB 32bit or the 20GB 64bit version of windows 7 and how much space should i allocate for the partition?

2.
Games i will be playing:
Counter Strike: Source
Call of Duty: WaW
Maybe Battlefield 2

3.
I plan on getting some newer games since I don't have my crappy computer anymore.
Any suggestions??

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Windows On Mac :: Windows 32bit Or 64bit For Gaming On A Mac Pro?

Oct 5, 2009

Hopefully someone can point me in the right direction.

I have an 8-core 3.2GHz 2008 Mac Pro with 16GB RAM. I've just ordered the EVGA NVIDIA GeForce GTX 285 graphics card and am hoping to turn my beloved mac into a bit of a sexy PC gaming beast for some evening fun. Already purchased Batman Arkham Asylum, Gears of War and an Xbox 360 controller to get me started

I'll cut to the chase. Microsoft are offering a free upgrade to Windows 7 if you buy Vista at the moment so that's not the issue. The issue is 32bit or 64bit for a gaming box - which is the best version to get for performance and compatibility with gaming on windows?

I'm looking to purchase either the 32bit or 64bit version of Vista (with the free upgrade to the corresponding Windows 7 version).

Which is the best to get? 32bit or 64bit? I've been reading that some games don't work well with 64bit Windows. Lots of conflicting articles and comments.

32bit or 64bit Windows... what's the best for a bootcamp gaming rig?

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Windows On Mac :: Possible To Upgrade From 32bit Xp To 64bit Windows 7?

Oct 19, 2009

i was just wondering if this is even possible... i started reading this thread but it was way too confusing for me so if you could explain it to a computer illiterate it would really help me out.

[URL]

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OS X :: Snow Leopard DP 32bit Switching For System Prefs?

Dec 27, 2008

Some screens of a recent DP showing SL: [URL]

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OS X :: Do Not Run Snow Leopard In 64bit

Aug 28, 2009

Contrary to belief, Snow Leopard by default (except for Xserves) runs in 32-bit mode. Check for yourself.

Code:
uname - a
You should see something similar

Code:
root:xnu-1456.1.25~1/RELEASE_I386 i386
I forced it to 64-bit on my '08 Mac Pro and things were slower! Spaces was very slow. Dashboard was quirky. I say avoid it.

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Applications :: Snow Leopard - ITunes 9 With No 64bit Support

Dec 4, 2009

I recently installed Snow Leopard. It works faster than before and it gave me 8GB of space back. But, after looking through Applications in system profiler, I found out iTunes is not 64-bit unlike Safari and other native applications that have been re-written to 64-bit. I remember Apple said iTunes is also re-written. I must download a new version or it's included in an update (I'm waiting the 10.6.2 update to download at the moment)?

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MacBook Pro :: Why Won't It Boot Snow Leopard In 64bit Mode

Mar 24, 2012

I tried to boot my mid 2009 macbook pro running snow leopard into 64 bit mode by holding down the 6 and the 4 key on the keyboard after shutting it down and then powering it back up again, it won't start up, it's stuck at the apple symbol with the rolling cursor

Info:
MacBook Pro

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OS X V10.6 Snow Leopard :: MacBook Pro 3,1 + 10.6.8 + EFI64 = Still No 64bit Kernel?

May 18, 2012

Model Name: MacBook ProModel Identifier:  MacBookPro3,1Processor Name:  Intel Core 2 DuoProcessor Speed: 2.4 GHzNumber Of Processors: 1Total Number Of Cores:2L2 Cache: 4 MBMemory: 8 GBBus Speed:800 MHzBoot ROM Version: MBP31.0070.B07SMC Version (system):1.18f5  

I know this has been asked numerous times, but most of the answers I found were old and archived. I was wondering whether or not an update or a guide has been released which allows a successful boot into 64bit kernel?  On a side note, I have verified my computer does have EFI64. However I know in the past that this stil didn't enable a 64bit boot. 

Info:
MacBook Pro, Mac OS X (10.6.8)

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OS X :: Force 64bit Kernel On Snow Leopard Build 10A380?

Jun 13, 2009

Whether anybody got Snow Leo build 10A380 (WWDC'09) successfully running with 64-bit kernel? If 'yes' - please share your method. I've tried every approach that i know: "6+4" keys, arch=x86_64 flag specified for both nvram and com.apple.Boot.plist, lipo command against mach_kernel.

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Software :: Snow Leopard On Intel Core Duo / Doesn't Have 64bit Processor?

Sep 14, 2009

My brother has the first generation of the iMacs that has a Core duo processor (not Core 2 Duo). Will snow leopard work on it? On Apples site, it says that you need a Intel processor to run Snow leopard, but then below it says you need a 64bit processor which is what he doesn't have.

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MacBook Pro :: Finding Total Users Of Snow Leopard 64bit Kernel

Apr 11, 2010

I know by default that Snow Leopard starts up in 32-bit kernel but anyone here boot into the 64-bit kernel? I think to do this you'd have to hold down 6 and 4 keys while booting.

By now almost all 3rd party apps are running 64-bit and all this time I've totally forgot about the 64-bit kernel!

I've just booted up to 64-bit kernel and all apps load instantaneously!

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Windows On Mac :: Vista 64bit For Games But What If The Games Are Not 64bit?

Mar 7, 2009

I was told to run Vista 64bit for games, but I was wondering about this� Since many applications don�t even have a 64bit version out and I don�t think games are 64bit, will they all run under vista 64bit? I have a feeling this might be a dumb question, but I just wanted to make sure before I go out and buy Vista 64.

Also do you think windows 7 is better for games? Will it even run games that have not been written for it? Or would I just be better sticking with vista 64 until everyone has caught up and made their apps compatible with the new windows 7? I mean will antivirus programs, ripping apps, etc work under windows 7 without a hitch, or should I wait and just use vista64 for now?

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OS X :: 64bit Mode Snow Leopard - Computer Always Boot Into 64-bit Mode If This Is Done Once?

Aug 28, 2009

I did a bit of reading on the internet, and it looks like most computers will not boot into 32-bit mode by default with 10.6. It appears that if while booting the user holds the 6 and 4 keys, the computer will boot into 64-bit mode.

Does anyone know anything about this? Will the computer always boot into 64-bit mode if this is done once? Will it even make a difference? Will the average user want to do this?

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Windows On Mac :: Does Windows 7 Require Snow Leopard To Be Booted 64bit?

Nov 20, 2009

I'm new to using Windows on a Mac but need to do it now for some video rendering applications that have transcoding, filtering, effects (like VirtualDub) that are only available on a PC.

I have a 17"MBP (3 months old), 2.8Ghz Duo, 4Gb RAM. I recently upgraded to Snow Leopard, was excited about 64-bit though I'm not an expert, I just heard it would be faster.

I didn't realize SL doesn't boot 64-bit anyhow, that you need to hold "6" & "4" at startup to get it to boot in 64bit mode. This surprised me because I figure many people assumed SL was 64bit! Just getting it to boot properly was a hassle. The 6 & 4 trick didn't work for me.

I had to edit the preference file which wouldn't save at first either because of permissions (I had to drag it to my desktop, edit it, save it, then drag it back to the folder and enter in my administrator password).

Only then did I realize my brand new eSATA Express Card didn't work in 64-bit mode. Upsetting because I just bought the hot new Sonnet Tempo card for $200 that claims to work with Snow Leopard. So until it works I'll be running 32bit mode on my Mac.

But if I want to run Windows 7, does this mean I can only run the 32bit version?

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OS X :: Opening Photoshop CS5 With 32bit Plugins?

May 17, 2010

McBook, 4 gig Ram 160 gig HD Running Snow Leopard 10.6.3 (Intel Core Duo)

I am running Creative Suite CS5 and noticed all plugins will not work, as CS5 works natively in 64 bit. I have tried opening in 32 bit and the beachball of slow goes on indefinitely and will not open in 32? I can still use plugins in CS4 then export product into CS5, but a bit of a long winded route...anyone else?

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