Refers to processors where integers and other data are stored in 32-bit registers. This has been the dominant processor architecture for a while, only recently being superseded by 64-bit operating systems.

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How much RAM can a 32bit OS support? [duplicate]

Possible Duplicate: Why does Windows only show about 3.5GB of my 4GB+ of RAM? I see a lot of people claim that 32bit OS can only support up to 3GB RAM, and other people claim 3.25, while ...
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What's the virtual memory address space limitation of a Win32 application?

Below is what I understand, please correct me if i'm wrong about the 3GB part? a win32 application's virtual memory address space is limited by 4GB. Of the 4GB memory address space each process ...
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4answers
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Virtualizing a 32 bit guest on a 64 bit os

So I was wondering if anybody knew if there was any performance issues with virtualizing a 32 bit os, in my case 32 bit windows 7, on a 64 bit os, mac osX lion. I remember reading that running 32 bit ...
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2answers
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32bit vs 64bit is a property of CPU, motherboard or both? [duplicate]

Possible Duplicate: Does a motherboard have to support 64-bit or is it just the CPU? For computer, being 32/64bit is a property of CPU, motherboard, or both? How do I recognize that ...
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2answers
831 views

Running a 64-bit VirtualBox archive on a 32-bit machine

I received a VirtualBox archive that should import a virtual machine. The archive was created using Mac OS X. The problem is that it works on 64-bit machines, but not on 32-bit. On 32-bit ...
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3answers
1k views

Install 32bit or 64 bit ubuntu on this laptop?

I have HP 620 WT162EA laptop (64bit processor and 2gb ddr3 ram memory). Based on your experience, which version of ubuntu I shall install: 32bit or 64bit? From what I already read here, people ...
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1answer
9k views

Force application to run in 32-bit process on 64-bit Windows

Is there any way to force application to run in 32-bit mode on 64-bit Windows ? My Os is windows 7 64 bit.
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1answer
3k views

Can I run a 32bit Java app on a 64bit platform?

I have an old Java app which has been compiled for the 32bit platform. I've moved from Windows XP (32bit) to OS X Snow Leopard (64bit) and I'd like to continue using this app, however I'm getting an ...
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1answer
723 views

Windows 7 Dual Boot Hibernation

I have two different editions of Windows 7 installed on two different partitions (on the same physical drive). One is Windows 7 Professional 32-bit, one is Windows 7 Home Premium 64-bit. I have both ...
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1answer
15k views

How can I run a 32-bit app on 64-bit OSX 10.7.2?

I have an app that only exists a 32bit version. In order to use it, I used to press 2 & 3 together before booting the Mac, so it'll run in 32bit mode. However, some apps (64bit version that ...
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5answers
29k views

how to install window 8 64-bit on my 32-bit PC

I am currently running Windows 7 32-bit. I want to install Windows 8 Developer Preview 64-bit. Is it possible to install it with my existing Windows 7(32-bit) or is there any way to install Windows 8 ...
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1answer
6k views

Any Catalyst driver for ATi Mobility Radeon HD 2300 on Win 7 32b?

For more than 6 months, I've had this problem. I can't seem to find a display driver for my ATi Mobility Radeon HD 2300 specific for the Windows 7 32bit. I don't necessarily need official drivers.. ...
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4answers
786 views

Can Windows 7 be as efficient as Windows XP?

At work, there are some machines that might be upgraded from Windows XP to Windows 7. They are all 32-bit systems, with 2 to 4 GB RAM (for now on I'll talk only about 32-bit machines and OSes). I'm ...
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4answers
66k views

Can a 32-bit OS machine use up all 8GB RAM + 20GB page file?

What I understand about 32-bit OS is, the address is expressed in 32 bits, so at most the OS could use 232 = 4G memory space -- I assume the unit is bytes, so 4GB. Does this mean if any machine with ...
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7answers
36k views

Dell Driver Support for Latitude E6320 Windows 7 Enterprise

I recently did a reinstall of Windows 7 Enterprise on a Dell Latitude E6320, which is a 64 bit system. After the install process, and doing typical Windows Update stuff, I looked at my Device Manager ...
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3answers
2k views

Adding Windows 7 32 bit as dual boot option

A relative of mine has bought a new laptop this year on which windows 7 (64 bit) is installed. Aside some standard programs he uses on that laptop, he also has some software for his bike that needs to ...
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3answers
2k views

IE9 development tools giving “Unable to attach to the process.” error

Notice: I have now rebuilt my machine to remove this bug, so I can no longer verify any answers. I recently installed Internet Explorer 9, and activated the development tools by pressing F12; I then ...
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1answer
6k views

MS Excel 2010 - Using DSN + 32 bit drivers

I need some advice as im running into a problem and so far i have been unable to find a solution. We have a set of reports developed in MS Excel that use DSN file to connect to data sources to ...
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8answers
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How to check if a binary is 32 or 64 bit on Windows?

So, I need to do just that before I move the program to 32bit machine and experience a spectacular failure. Is there an easy way to do this?
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2answers
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Easiest way to use a > 2TB internal hard disk in Windows XP 32-bit?

I have an 3TB external disk and Windows XP 32 bit. It works as a USB 2 disk with its enclosure, but I want to use it as an internal SATA disk. I don't want to use it as a boot disk, only as a data ...
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3answers
943 views

PAE benefits to threaded programs in a 32-bit Windows system

If I have a system with more than 4GB of RAM, and PAE enabled (on a 64-bit CPU), will a threaded 32-bit application be able to use 4GB total, or 4GB per thread? I ask because I am running DAW ...
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2answers
1k views

Windows XP repeatedly reboots after switching hard drive from old PC to new PC; both PC is same model

I have Two Dell Optiplex 755, one is newer condition than the other, both working properly. I took the hard drive from the older Dell and swapped it with the hard drive in the newer Dell, because I ...
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1answer
289 views

How to disable .com files in the CLI in Windows 7 32bit?

I just set up a Windows 7 x86 32bit SP1 enterprise installation, typed edit (have a costum edit.cmd in my path, in a directory within my user profile) into the CLI, and found out it still has edit.com ...
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2answers
940 views

32-bit program using Office IFilters when 64-bit Office is installed

64-bit Office installs 64-bit IFilters for its document types, but does not install 32-bit IFilters. Therefore, 32-bit programs that rely on IFilters cannot work with 64-bit Office. And although there ...
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2answers
320 views

Where can I find a working port range scanner?

Either for win32 or Python. There are so many port scanner python scripts and NONE of them work without some python knowledge. If you're going to post a port scanner py script please test it. Angry ...
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0answers
610 views

How can I force a hybrid 64/32bit application to install as a 32bit software in Windows 7?

Well the title says it all, when I install this application it installs in its 64 bit mode which is buggy for me, but the 32 bit mode worked perfectly on my previous computer, is there anyway to have ...
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1answer
2k views

Errors on Attempting to Install 32-bit Chrome in 64-bit Ubuntu

I'm running into issues while attempting to install 32-bit Google Chrome on Ubuntu 11.10 64-bit. I have my reasons for doing so, though they're rather complex. I'd like to know how to resolve the ...
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2answers
171 views

Upgrading to 64-bit hardware underneath 32-bit operating system

I have a home file server which was previously running on an Athlon XP cpu (Socket A). The operating system on it is Ubuntu 10.04 (LTS), 32-bit, server-flavor. I believe the motherboard has died and ...
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1answer
43 views

Win 7 32 bit vs 64 bit for VS2010 and SQL server [duplicate]

Possible Duplicate: 32-bit vs. 64-bit systems My planning is to buy a machine having Intel I5 processor for web development using VS2010 and SQL server(latest version). Now Which OS 32bit ...
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1answer
2k views

Macbook 13" - 32 bit or 64 bit? how do I check?

I don't know how to check if my Macbook 13" white is 32-bit or 64-bit, how do I check that for any Mac or Linux system?
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4answers
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How does OSX run 64bit Binaries while running on a 32bit Kernel?

I have recently figured out that Mac OS X actually CAN run 64bit (x64) applications even if x86 kernel is loaded. That was shocking for me for a first time. But then I've realized that it is really ...
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1answer
5k views

How to increase stack size permanently on Windows 7?

I need to increase the default stack size on 32-bit Windows 7 ultimate.As I know there are two ways to increase stack size on Linux, executing command " ulimit -s size " and changing limits.conf file. ...
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3answers
730 views

Installing a 64-bit OS on a 32-bit Virtual PC 2007 or Virtual Box host

Can I install a 64-bit OS (e.g. Ubuntu 64-bit, Windows Server 2008 R2) in a Virtual PC 2007 or Virtual Box VM running on a 32-bit host? Will it run fine after installation? From what I understand, a ...
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9answers
17k views

For a PC with 1GB RAM, should I install 32 Bit or 64 Bit Windows 7?

I would like to install Windows 7 Ultimate on a PC with 1GB of RAM. What's better for me? The 32 or 64-bit version?
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0answers
113 views

Is iTunes freezing related to 32 or 64 bit version problem?

iTunes is nearly unusable for me, and freezes so many times it seems to be standard behavior. When I opened taskmgr this time I notice there are these running 64 bit iTunes is installed, but I do ...
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4answers
3k views

Check if Kubuntu is running on 64bit or 32bit machine

How can I check if my kubuntu is running in a 64 bits or 32 machine using terminal?
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votes
2answers
872 views

How large is the performance loss for a 64-bit VirtualBox guest running on a 32-bit host?

I have a 64-bit Virtualbox guest running Gentoo Linux (amd64) and it is currently hosted on a 32-bit Gentoo laptop. I've noticed that the performance of the VM is very slow compared to the ...
0
votes
1answer
124 views

Can I run the 32-bit version of TrueCrypt effectively on OS X 64-bit? [closed]

I've been thinking about TrueCrypting my hard drive on my MacBook. However, I've noticed there is only a 32-bit version of TrueCrypt for OS X. Will installing this on a 64-bit operating system cause ...
2
votes
3answers
6k views

Eclipse 32 or 64 bit?

I'd like to download Eclipse, but I'm not sure which version to download 32 or 64? mbp:~ alexus$ uname -a Darwin mbp.uftmasterad.org 11.1.0 Darwin Kernel Version 11.1.0: Tue Jul 26 16:07:11 PDT 2011; ...
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2answers
7k views

It is possible to change windows7 64bit to 32 bit without re-install windows? [duplicate]

Possible Duplicate: Windows 7 and Vista Activation FAQ: how do language, version, 64-bit or 32-bit, and source affect ability to install and transfer Windows licenses? It is possible to ...
2
votes
0answers
830 views

Downgrade Windows 7 from 64-bit to 32-bit? [duplicate]

Possible Duplicates: Can I legally downgrade from Win 7 64 bits to Win 7 32 bits? Windows 7 and Vista Activation FAQ: how do language, version, 64-bit or 32-bit, and source affect ability to ...
0
votes
1answer
45 views

Upgrade dual boot XP Pro 32-bit / 7 Home Premium 32-bit to dual boot XP/7 64-bit versions

I have a dual boot PC (Windows XP Professional / Windows 7 Home Premium 32-bit) on two partitions on my hard drive. I have recently installed 8GB of RAM; how I can upgrade the whole configuration to ...
5
votes
3answers
20k views

Why do I get “this CPU is not compatible with 64-bit mode” on a 64-bit processor?

I have a 32-bit Ubuntu 10.10 as a host OS, VirtualBox 4.0, Windows 7 64-bit Professional as a guest OS. The laptop processor is 64-bit. When I try to load Windows 7 64-bit in VirtualBox, the error ...
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3answers
473 views

Do x86 applications use 64 bits addresses in x64 operative systems?

I was wondering... 64bits OSs can run 32bits applications right? Windows use WoW64 to achieve this right? My question is, when these applications are run, does they use 64bits or 32bits addresses? I ...
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vote
2answers
5k views

Connecting Sony Wireless BT Headphones DR-BT101 to Windows 7 32-bit Home Premium?

I'm looking for a way to connect Sony Wireless BT Headphones DR-BT101 to Windows 7 32-bit Home Premium. The headphones are detected by Windows, but they appear with a yellow troubleshooting icon, and ...
4
votes
5answers
30k views

How to patch Windows 7 32bit to use more than 3.25GB of RAM [duplicate]

Possible Duplicate: Enabling PAE on Windows 7 32-bit? I heard there was some kind of patch that let's a 32bit Windows installation use more than 3.25GB of ram(which is the limit for a 32bit ...
6
votes
1answer
3k views

What is the max. capacity of RAM in 32-bit machine? Why it is not 16GB? [closed]

This question is inspired from a question in stackoverflow here To what I know, for 32bit machines, we can have 2^32 combination set of instructions. so for a max capacity of a RAM in 32-bit ...
2
votes
2answers
1k views

Does a 64bit OS consume more memory for exactly the same funtionality? [duplicate]

Possible Duplicate: Do I need more RAM for programming if I switch to a 64 Bit OS? I haven't done any proper clinical analysis but the first time I booted a 64 bit version of Linux some ...
2
votes
1answer
1k views

launch application from osx terminal in 32bit mode

How can I pass an argument to the "open" command to launch an application from the terminal in 32-bit mode? open /path/to/some.app [--args arguments] I have to manually check and uncheck the ...
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2k views

Install 32 bit x86 version of Ubuntu 11.04 on a 64 bit capable Core 2 Duo computer

I am trying to install Ubuntu 11.04 on my Core 2 Duo PC using the 'Ubuntu installer for Windows' so that I can dual-boot to Windows 7 (32bit) or Ubuntu 11.04. I already have the x86 alternative ISO ...