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

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3
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0answers
53 views

Detect whether Chrome is 32 bit or 64 bit, with javascript [migrated]

I have some javascript which will have different behaviour in chrome 32 bit and chrome 64 bit. When you go to the About page in chrome it has the version number, and then has "(64 bit)" afterwards if ...
1
vote
0answers
36 views

Aptana Studio 3: allow more than ~1300MB memory for JVM

Moved from Stack Overflow. I'm running Aptana Studio 3.6.1 on 64-bit Windows 7. Aptana site states that the IDE is compatible with 64-bit environments. When attempting to use a 64-bit Java version, ...
0
votes
0answers
24 views

Dual Boot Lenovo ThinkPad L520, 32 or 64 bit for Ubuntu

I'm confused... Lenovo runs Windows 7 Professional 64 bits but I'm unable to dual boot any Linux Distro in 64 bits, only 32, system freezes in BIOS while it reads the USB Live Key (freezes at install ...
1
vote
1answer
13 views

VMware vSphere / ESXi 5.5 recommended guest system architecture

I am currently setting um VMware vSphere / ESXi 5.5 on a DellPowerEdge2900 and since it's an older server the following question came to my mind: Considering performance should I install guest ...
1
vote
1answer
66 views

How can I register a (32-bit) COM DLL as a COM+ application

I heard that you can register a 32 COM server DLL in COM+ so it will be executed as local server instead of an in-process server. This solves a 64/32 bit issue, it would be possible to access the ...
0
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1answer
84 views

Windows 7 Ultimate back to original Windows 7 Home Premium

Can I downgrade from Windows 7 Ultimate 32 back to Home Premium 64 the one I was originally with and if so how?
0
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2answers
113 views

Is there a way to completely eliminate any 32-bit support on a 64-bit windows?

I want to completely disable the whole syswow64. My goal is to make it impossible to run any 32-bit application, or load any 32-bit DLL on a 64-bit windows system. Similarly to the old 16-bit Windows ...
4
votes
1answer
89 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 ...
0
votes
1answer
103 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
100 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
1k 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
459 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 ...
0
votes
5answers
1k 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 ...
4
votes
1answer
3k 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.
4
votes
3answers
6k 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
2k 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
603 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
80 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
7k 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
69 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
690 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
348 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
3answers
21k 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
444 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 ...
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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
134 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
521 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
105 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
143 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
8k 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
350 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
664 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
530 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
164 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 ...