Contribute
Register

10.6.7 64-bit

Joined
Apr 5, 2011
Messages
146
Motherboard
Asus P8P67 B3 3.0
CPU
i5-2500K
Graphics
HD 6870
Mac
MacBook Pro
Mobile Phone
Android
Hi,

I finished my build based on a P8P67.
I am not sure how to check whether I booted on 64-bit or 32-bit?
Do I have to worry about it? Snow Leopard is suppose to run 64-bit
apps on 64bit no matter if you boot using 32 or 64.

Is there a post describing how to boot in either modes?

Thanks!
 
Joined
Jan 25, 2011
Messages
747
Motherboard
GA-X58A-UD3R
CPU
X5650
Graphics
R9 290
Mac
MacBook
Mobile Phone
Android, iOS
There are a few ways to check, here's an easy one:

Go to Apple Menu > About This Mac > System Profiler

Click on the Software tab

Look for the line: "64-bit kernel and extensions: yes" or "64-bit kernel and extensions: no"

The difference between 32-bit and 64-bit boot isn't massive. But for some computationally heavy things, 64-bit is marginally faster. That said, I bet you won't notice the difference in day to day computing.

Cheers.
 
Joined
Dec 14, 2010
Messages
85
Motherboard
Gigabyte P41T-ES3G
CPU
Intel Core2Duo E7500
Graphics
nVidia GeForce 9500 GT
Mac
Classic Mac
Mobile Phone
Other
Go to terminal and type in the following code:

Code:
ioreg -l -p IODeviceTree | grep firmware-abi
If you got EFI64 as the reply, then you're in 64-bit.
If you got EFI32, then you're in i386
 
Top