The 64-bit tag has no wiki summary.
13
votes
2answers
4k views
Why do Apple's latest MacBook Pros cap the RAM limit at 8GB?
According to apple's latest documentation (at the time of writing), the cap on the newest MacBook Pros is 8GB RAM.
The Mac Pros, however, can take up to 32GB RAM.
So, why do the MacBooks have this ...
6
votes
2answers
1k views
Am I missing out by not running in 64-bit mode?
I'm running an Early '11 MacBook Pro with 16GB RAM.
Currently, OS X Lion runs in 32-bit mode by default, and an important piece of software I use for work requires this mode (Cisco VPN client). Most ...
5
votes
3answers
12k views
Installing 64-bit java on Mac OS X Lion?
When playing Minecraft 1.0, a java-based game, when I switch the rendering options to "Far", the game shows a message saying that memory usage for the game might be too high in Far rendering mode, and ...
3
votes
4answers
2k views
How to know my kernel extensions are 64-bit ready?
Is there an easy way to tell whether all my kernel extensions will "survive" booting with a 64 bit kernel? I can of course try the "6-4 finger boot", but maybe there is a piece of hardware I use ...
3
votes
2answers
690 views
If I install more RAM should I boot into 64bit Kernel? Does it matter?
I've got an Early-2009 Unibody Mac Book Pro 17".
It came with 4 GB RAM and by default it boots into 32-bit Kernel.
I've just upgraded to 8 GB RAM and my main concern is getting maximum performance ...
3
votes
1answer
202 views
Can I select the architecture of a program from the command line?
Many of the unix executable binary programs are delivered with more than one architecture:
mac:~ mike$ file `which bc`
/usr/bin/bc: Mach-O universal binary with 2 architectures
/usr/bin/bc (for ...
2
votes
2answers
374 views
After upgrading to Snow Leopard, don't I have to upgrade Chrome or Firefox and other programs to 64-bit version?
Since I have been using Leopard on my Macbook, all the apps should be 32-bit.
So an hour ago, the macbook is upgraded to Snow Leopard. Does that mean all apps should also be upgraded to 64-bit ...
2
votes
1answer
763 views
Fake Webcam / Webcam Emulator Mac Os 10.7.4 64Bit running as a Virtual Machine.
I am looking for fake webcam solution for Mac OS 10.7.4 64bit running as a Virtual Machine.
What I tried:
ManyCam - only works with 32bit Browser and then not with all flash applications
CamCamX - ...
1
vote
4answers
3k views
How to check whether my Intel-based Mac is 32-bit or 64-bit
The title pretty much says it all, I need to know because I want to install new software that has these two versions, and I need to know which one to install.
1
vote
5answers
1k views
My mac has 64-bit EFI, but it only boots with 32-bit kernel
I followed the guide at
http://macperformanceguide.com/SnowLeopard-64bit.html
to boot into 64-bit mode. I had no problems with the instructions and on the boot screen it says "PAE enabled, 64bit mode ...
1
vote
1answer
897 views
Why is iTunes 64 bit running as 32 bit application under Windows?
I've downloaded the 64 bit Version of iTunes and I'm wondering why it's running as a 32 bit application under Windows 7 (of course 64 bit)?
Any Ideas?
1
vote
2answers
239 views
64 bit support with a 32 bit kernel in OS X Snow Leopard
I know that many apple laptops such as my Macbook 6,1 run a 32 bit kernel in OS X Snow Leopard. The kernel according to Apple can also run or "support" 64 bit applications. My question is how does the ...
1
vote
1answer
148 views
MacOSX 10.8 and 32-bit perl modules
I just upgraded from MacOSX 10.6 to 10.8. Many of my projects depend on Mac::Glue, Mac::Carbon and their ilk. Even though Mac::Glue comes bundled with MacOSX 10.8 perl, it doesn't seem to work:
...
1
vote
2answers
1k views
Will a 32 bit intel app run on Mountain Lion?
I have Lion, running on a 64 bit kernel
$ uname -a
Darwin dyn1158-144.insecure.ic.ac.uk 11.4.0 Darwin Kernel Version 11.4.0: Mon Apr 9 19:32:15 PDT 2012; root:xnu-1699.26.8~1/RELEASE_X86_64 x86_64
...
1
vote
0answers
289 views
Problem with boot camp and XNA 4.0 with Visual Studio 2010
I'll try to be as brief as possible with my problem. Do not hesitate to ask for logs or information about my computer and/or the program.
I have a game that consists of a ship that navigates on ...
1
vote
0answers
186 views
kernel.log contains thousands of messages about ip_len checksum. What gives?
My Mac Pro Cyrus (running 10.6.8 in 64 bit mode) keeps writing the same message (for different lengths) to the kernel.log file every second:
cyrus kernel[0]: in_delayed_cksum_offset: ip_len 36608 ...
0
votes
1answer
503 views
Why isn't my MacBook running 64 bit mode? [duplicate]
Possible Duplicate:
My mac has 64-bit EFI, but it only boots with 32-bit kernel
Why isn't my MacBook running 64 bit mode? It's a mid-2010 model, "MacBook 7,1" , with a Core-2 Duo. why would ...
0
votes
1answer
298 views
How can I fix smart playlists with live updating to update again in itunes 11?
I'm using iTunes 11.0.1 on 64-bit Windows 7, and occasionally my smart playlists (with live updating set to on) stop updating.
I've got a series of podcasts subscribed to via iTunes, and I have a ...
0
votes
2answers
184 views
bootcamp with windows 7 64bit?
I have the new (2011) 27" iMac and need to run visual studio and some other .NET software development related software. What version of Windows 7 (home premium OEM - because it is the cheapest?) ...
0
votes
1answer
3k views
Quicktime for windows 7 64 bit
I am using windows 7 64 bit on hp probook 4520s and want to install quicktime, apple provided link give the quicktime to download and install but it give error of some assembly instruction. I think ...
