For questions about the differences between 32-bit and 64-bit processors and software and associated compatibility issues.

learn more… | top users | synonyms

4
votes
1answer
41 views

Can a 32-bit antivirus program protect you from 64-bit threats

I think that 32-bit programs cannot look inside 64-bit processes. So I am asking this question out of curiosity. I am using Windows 7 x64. I do not know about the bitness of the antivirus except that ...
-1
votes
1answer
96 views

Where to place 32-bit and 64-bit applications

I have been reading quite a bit about how Windows 7 handles 32-bit versus 64-bit applications (including details of system32 and wow64), and am surprised by the amount of contradictory information ...
0
votes
2answers
82 views

Memory mapping of a 32-bit virtual machine on a 64-bit host

My host is a 64-bit ubuntu operating system and I want to setup a windows 7 virtual machine. I suspect that using a 32-bit windows 7 vm does not have any benefits regarding the RAM and disk space ...
0
votes
2answers
959 views

Is it possible to install CentOS 64-bit on a 32-bit machine?

Is it possible to install CentOS 64-bit on a 32-bit machine? Is it possible? If not, I would like to know why. Please explain.
0
votes
1answer
296 views

Qt's Plugin Path and WOW64

We are trying to set up a Qt development/runtime system for our users at work. This should allow them to build and/or run either a 32-bit or 64-bit QT application at their discretion (on the same ...
-2
votes
2answers
4k views

How do I execute 32bit games on 64bit operating system

I have this game medal of honor which is perfectly executable on 32bit operating systems and when i execute it on my 64bit laptop it gets stuck with a black screen and then everything disappears. This ...
1
vote
5answers
585 views

Why are there 32-bit editions of Windows 8? [closed]

64-bit CPUs have been around for about 10 years now, maybe more. Most computers have such CPUs (I don't think 32-bit CPUs are even manufactured anymore). And there are a lot of computers that have ...
2
votes
1answer
2k views

How do I remove all i386 architecture packages from my Debian installation?

I added foreign architecture i386 to my Debian amd64 installtion. How do I remove it? When I try this command: dpkg --remove-architecture i386, I am told to first remove all i386 packages.
3
votes
3answers
4k views

How do I install Citrix ICA Client (Receiver) 13 on Debian 64-bit Linux?

The Citrix ICA Client (Receiver) 13 has many i386 dependencies, so I cannot install on my amd64 (64-bit) Debian Linux. How can I make this work?
1
vote
1answer
1k views

How do I know if my Linux system can run both ELF 32-bit and ELF 64-bit binaries?

It appears that I can run both ELF 32-bit and ELF 64-bit binaries on my Linux host. I am running on pretty vanilla Linux boxes (Intel hardware, RedHat 64-bit kernel, etc.) How is that possible? Is ...
0
votes
2answers
353 views

Unable to activate windows

When I right click computer, click properties, then click activate now I get the following error message: The Windows 7 Product Key you typed is invalid for activation. I already typed the product ...
0
votes
2answers
72 views

How can I use 32 bit drivers on Windows 7?

I bought a new Dell 64-bit laptop with Windows 8 pre-loaded. I installed Windows 7 as my software does not run on Windows 8. Now I need to use 32-bit drivers as 64-bit ones don't work. Has installing ...
0
votes
2answers
5k views

Windows 7: which version for which Pentium?

I have to install Windows 7 on two machines, but I'm not sure if I must pick Windows 7 version 32 bits or 64 bits for each of them. Here's what appears in my computer > properties: Pentium(R) 4 CPU ...
0
votes
2answers
67 views

Is there a 64 bit to 32 bit USB adapter, to connect devices that don't connect to 64 bit machines?

My Palm's synch cable does not work with USB ports on 64 bit computers, and I've seen confirmations online that it does not work for other people as well. Is there by any chance an adapter that could ...
0
votes
2answers
652 views

Using 32bit application in 64bit

I am using windows 32 bit VLC media player in 64 bit pc. It is working fine. but my question is that won't it allocate memory according to 32 bit structure? That means though i have 64 bit PC, i ...
0
votes
1answer
276 views

isainfo “-k” vs “-n” option

I am wondering about the difference between the two commands isainfo -k isainfo -n on Solaris. I understand that the first is used to check if the kernel is running in 32-bit or 64-bit mode, and ...
0
votes
1answer
1k views

Java, Eclipse, ODBC 32 or 64 bit what should I change?

I'm using windows 7 (64 bit) I Installed 64 bit versions of Eclipse and JRE. But when I tried to read from Access I got problems. The only way to make an ODBC seems to be by using a 32 bit variant. ...
0
votes
2answers
15k views

How can I create a 64-bit Windows 7 USB installer in a 32-bit environment?

I have a 64-bit capable machine but accidentally installed a 32-bit version of Windows 7. I have the 64-bit ISO and/or extracted files but can't find a way to create a bootable USB because I can't ...
0
votes
1answer
320 views

Does one need both a 32bit and 64bit version of Java?

I notice I keep getting Java updates, even right after I install one. Right now I have both 32bit and 64bit, can I get rid of one? I don't know how I got two. Right now my antivirus is complaining ...
-1
votes
1answer
39 views

Determining if I need a 32 bit or 64 bit driver for OSX 10.7.2

I'm looking to download an ftdi driver for OSX 10.7.2. I will be using it for work I'm doing in python 2.7.x, using pySerial. I have no idea how to determine whether I need to download the 32 or ...
0
votes
1answer
3k views

Intel Atom D2500, 64-bit mode

I have an Intel Atom D2500 processor which the spec site claims it supports a 64-bit instruction set. However, cpuinfo shows this: # cat /proc/cpuinfo | egrep "(processor|flags|address)" processor ...
-2
votes
2answers
129 views

Need to know about the RAM and the processor relation

Currently I am using XP 32 bit with 4 GB RAM and Core i3 processor. I am using this system for the multi PC. Now I wanted to upgrade my CPU with the 8 GB RAM or even more and also use Windows 7 64 ...
6
votes
2answers
485 views

Why does windows 7 64bit require more disk space/ram

Why does windows 7 64bit require more disk space and more RAM? http://windows.microsoft.com/systemrequirements is where I got the information.
-3
votes
1answer
91 views

Will there be an incompatibility issue with trying to run a 32bit Windows 7 OS on a 64bit cpu/motherboard? [duplicate]

Possible Duplicate: Can a 32 bit OS run in a 64 bit processor? Is it possible to connect an HDD with a 32bit Windows 7 OS to run on a Z77 motherboard with corei7 3770K processor. Or will I ...
0
votes
0answers
47 views

Should I setup x86_64 system on Atom 230? [duplicate]

Possible Duplicate: 32-bit vs. 64-bit systems I've got mini-ITX motherboard (945GCLF, afair) and I always setup only 32-bit OS on it. But few weeks ago my father told me that I should use ...
1
vote
1answer
1k views

Improving laptop performance, including 32- vs. 64-bit

I have a slightly older laptop (Dell Inspiron 1720) into which I am about to install an SSD. I'm wondering now what other options I have to improve the performance of this computer (since I can't buy ...
2
votes
1answer
137 views

Is there any advantage to running 32 bit programs from C:\Program Files (x86)\myfolder?

I have 64bit Windows7. Does it make any difference if I run 32 bit programs from a directory, say, at C:\myfolder ? Is there any advantage to keeping them in C:\Program Files (x86)\myfolder ?
2
votes
4answers
7k views

What's the difference between 64-bit and 32-bit dxdiag?

I'm doing some logging and noticed that on 64-bit platforms I can use the /64bit switch to run 64-bit dxdiag. I assume there must be some reason for doing this, namely additional functionality in the ...
3
votes
2answers
3k views

Why is 32 bit version of Ubuntu the recommended download on Ubuntu.com?

I was wondering if there is any reason why 32 bit would be recommended for download on the Ubuntu.com site. My Macbook Pro 7,1 has a 64 bit processor; I'm wondering whether the support for 64 bit ...
1
vote
2answers
340 views

Downgrading from 64-bit Windows to 32-bit Windows

I currently have Windows 7 Home Premium 64-bit installed on my laptop. For a long time I've been having lots of problems with my laptop, such as: Getting the message, "Consider Replacing Your ...
2
votes
2answers
575 views

How to know which operating system is suitable for my PC between 32/64-bit?

I'm using 32-bit operating system since I've my laptop. I've never used the 64-bit operating system so I'm much curious about this that if I upgrade to 64-bit still my pc will give me the same ...
2
votes
2answers
454 views

On a computer with less than 4GB RAM, do x86 operating systems save more battery than x64 ones? [closed]

I found out that the Intel Atom N455 in my netbook can run the x64 instruction set. I don't have any compatibility problems with old x86 softwares and drivers, but I need to save battery power. I ...
1
vote
1answer
157 views

What's the ramifications of installing a 64bit print driver on a 32bit system?

Yes that's right, 64bit driver on 32bit system. Here's the situation: I installed a printer driver on an XP Professional machine that will be shared with other users across the network. One of the ...