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13
votes
2answers
8k 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 ...
10
votes
2answers
11k views

Is there a 64-bit version of Google Chrome for Mavericks?

Is there a 64-bit version of Google Chrome for OS X Mavericks? I need to run NetBeans and it requires Java 7 Update 10 at least.
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 ...
6
votes
3answers
14k 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 ...
5
votes
1answer
2k 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 - ...
4
votes
1answer
424 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 ...
3
votes
4answers
3k 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
739 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 ...
2
votes
5answers
2k 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 ...
2
votes
2answers
415 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
2k 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?
2
votes
2answers
3k views

Unsupported hack or workaround to get 64-bit OS X to install on a MacBook Pro having only 32-bit EFI?

I want to install the 64-bit OS X 10.7 on my MacbookPro 2,1, which has a 64-bit processor, but only 32-bit EFI and Kernel Boot mode. I know that this is not officially supported, but I assume there ...
2
votes
2answers
2k views

What options exist to reliably have three partitions and Boot Camp on Apple Hardware?

What robust setups of partitions which accommodate (a) MtLion OS X, (b) Windows x64, (c) Data partition used [primarily] under Windows? Things that would be desirable (optional) past the basic ...
2
votes
0answers
216 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 ...
1
vote
4answers
6k 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
2answers
539 views

How old are Macs that cannot run 64-bit applications?

We're trying to decide how much effort to put into ensuring that our software works well in 32-bit mode. (It's scientific software that must handle large datasets, so ensuring that it works well does ...
1
vote
3answers
2k views

Can I install 64 bit software on a 32 bit OS X - 10.5.8 - Leopard?

Can I install 64 bit software on a 32 bit OS X? Or could I "update" my 32 bit OS X to 64 bit OS X? This is what I get when I put uname -a in a terminal: Darwin gaukhar-alibayevas-macbook.local ...
1
vote
3answers
115 views

64bit vs 32bit on mobile devices with 2gb ram - is there any sense?

Today I took part in an interesting discussion. Someone said that's great that Apple goes 64bit with their iPhone 5S. Of course I mentioned about no need for 64bits paired with 2 gigs of RAM, but then ...
1
vote
2answers
371 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
418 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
316 views

Macbook Pro Core 2 Duo won't install 64-bit OS X 10.7

I am trying to install OS X 10.7 x64 on my Intel Core 2 Duo MacBook Pro from 2007. Before I was running OS X 10.6.8 x64 which worked fine, but I can't seem to install 10.7 as 64-bit. Somehow it ...
1
vote
2answers
2k 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
369 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 ...
0
votes
2answers
239 views

iPhone 5s: benefits of 64 bit processors if no more than 4 GB of RAM?

My understanding is that the (main) reason of having a 64 bit processor, is to be able to use more than 4 GB of RAM. In PCs, it is now very common to have more than 4GB of ram, and to really be able ...
0
votes
1answer
28 views

What is the difference between a 32 and a 64 bit installation on a 64 bit machine?

I'm about to install Eclipse on my McBook Pro (2.4GHz Core 2 Duo - so 64 bits if I'm not mistaken). What are the consequences of installing a 64 vs a 32 bit package?
0
votes
1answer
756 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
2answers
29 views

How old would a Macbook Pro need to be in order to have a non-64bit Intel processor?

My friend has a MBP that was bought 2 or 3 years ago, and I need to help him prepare some software to run. What are the chances he won't be able to boot from a 64bit Linux live USB flash drive?
0
votes
2answers
97 views

Can I install 64 bit software on a 32 bit macbook pro

I have mac book pro, Processor: 2.16 Ghz intel Core Duo, Memory: 1 GB 667 Mhz DDR2 SDRAM, Model Identifier: MacBookPro1,2, Total Number Of Cores: 2, Boot ROM Version: MBP12.0061.B03. uname -a: Darwin ...
0
votes
0answers
255 views

Is it possible to trick Bootcamp to allow 32bit Win7 installation?

I have a Macbook Pro retina laptop which I want to dual boot windows 7. I have the bootable USB, but bootcamp does not start installation since it reads it 32-bit windows. I know in other MacBooks ...
0
votes
1answer
608 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
189 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
4k 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 ...