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OS X - Operating System General OS operation information and support

OS 10.6 - i386 kernel


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dobby

 
Member Since: Jul 15, 2009
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I have just upgrade to snow leopard .
It tells me now that now running version 10.6.1
But if I give in terminal the command uname - a it says i386 that means that it is 32 bits version
And everybody told me that snow leopard is 64 bits.
Or is the branding in the kernel ?
Can anybody helps me out ?
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McBie

 
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you need to press and hold the 6 and the 4 keys when booting OS X

By default, the 32 bit version of OS X is loaded

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dobby

 
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NO it does not work .
It stills says i386
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McBie

 
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In System Profiler, check this ....

System Software Overview:

System Version: Mac OS X 10.6.1 (10B504)
Kernel Version: Darwin 10.0.0
Boot Volume: Macintosh HD
Boot Mode: Normal
Computer Name: MDNMBP
User Name:
Secure Virtual Memory: Enabled
64-bit Kernel and Extensions: Yes
Time since boot: 5 days 2:15

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Nethfel

 
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What Mac do you have? from what I had read on various websites, if you have a Mac that has a 32bit EFI, it will block you from loading the 64bit kernel, and that 64bit kernel couldn't be loaded on any non-pro Macbook.

It's been a long day and I don't have the links in front of me, but a quick search pulled up this here:

Startup Mode Selector

if you skip over the program information itself to further down the page, there is some description of the limitations put in place by Apple.

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dobby

 
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64 bit kernel and extension NO
How can I change that ?

regards

I have a MAC PRO workstation 2 X intel dual core
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Nethfel

 
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If you have the 2006 Mac Pro (which is what it *sounds* like you have (2xdual core xeon) then you have a 32bit efi from what I understand - otherwise - no 64bit kernel

My Macs: Late 2013 rMBP w/ 750m; Mac mini G4, 1.25 GHz, 512m ram (server); Late 2011 11" MBA, 1.8GHz i7, 4Gig Ram, 256Gig SSD, HD3000; Powerbook 12" G4 1.33GHz running Debian as a server; Apple TV (1080p version)
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Trust me, even if you could boot into a 64-bit kernel, you don't want it. Many programs have kexts that are compiled for a 32-bit kernel and won't work with a 64-bit kernel. Unless you are doing something that explicitly needs 64-bit support, avoid it for now.

And yes, most of your applications are running as 64-bit applications. Just open up Activity Monitor and look at the "Kind" column. See link in sig for more info.

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McBie

 
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Quote:
Originally Posted by dobby View Post
64 bit kernel and extension NO
How can I change that ?

regards
Have a look at the link that Nethfel provided .... all the info is in there.

Cheers ... McBie

A computer lets you make more mistakes faster than any invention in human history - with the possible exceptions of handguns and tequila.
The problem is not the problem. The problem is your attitude towards the problem. You understand ?
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Nethfel

 
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here's a chart that a blogger put together based upon apples own data about which systems could use the 64bit kernel - and like vansmith said, it really isn't worth it - your apps that are 64bit will run in 64bit mode.

Mac OS X 10.6 “Snow Leopard”: In Our Hands August 28! – Stephen Foskett, Pack Rat

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6string

 
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I think that this link will help you:
YouTube - Snow Leopard and 64-Bit Mode (MacMost Now 286)
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dobby

 
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It seems that if you know the EFI of you're system is enough to determine if it can ran 64 bits ,ore not
My MAC has a EFI32 so it is the first Intel Xeon dual core , that only can run 32 bits
If somebody needs the command it is ioreg -l -p IODeviceTree | grep firmware-abi
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