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Questions tagged [32bit-64bit]

123 questions
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6 answers

Why does x86 represent 32bit when x64 represents 64bit?

My question is why is the shorthand for 32-bit x86 when the shorthand for 64-bit is x64? I'm guessing it has something to do with the days of 386s and 486s, when the 32-bit processors all ended in 86, but surely there were processors that didn't end…
Simon Foster
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11 answers

Good reasons to keep 32-bit Microsoft Windows desktop OSes

This question is from 2012. If you are reading this in 2019 or later, then the answer really is: No. There is no good reason in 2019 to be maintaining 32-bit desktop operating systems. Original question below: Server software has been 64-bit only…
Mark Henderson
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4 answers

Solving multilib version problems

I use CentOS 6.4 When I tried to install libgcc with yum install libgcc.i686 I took following massages. Error: Multilib version problems found. This often means that the root cause is something else and multilib version checking is just …
user1345414
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17
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3 answers

32bits or 64bits for Windows Azure Web Sites?

The Windows Azure Web Sites offers two options 32bits or 64bits. New sites come with 32bits by default. For a server configuration it feels a bit odd because, AFAIK, the vast majority of web servers have been in 64bits config for years now.…
Joannes Vermorel
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16
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5 answers

Should I install 32-bit database or 64-bit database?

(I've read a lot about 64-bit versus 32-bit OS/Apps, but this question is specifically in regards to databases.) I'm trying to understand the pros and cons of 32-bit versus 64-bit databases, and namely, under what conditions that it starts to make…
JohnB
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13
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6 answers

Advantages of upgrading 32 bit Windows Server and SQL Server to 64 bit?

Suppose that I have a 32 bit Windows Server box that operates several server applications along with an SQL Server, with a RAM usage of about 2 GB at peak times. What would be the advantages of upgrading the Windows Server OS and SQL Server to the…
Someone
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x64 Windows reports 32GB RAM usable out of 64GB RAM installed - why?

I've got a server with 64GB RAM installed (reported in both the bios and in Windows), but the system information from control panel displays the fact that only 32GB of this is usable. I've only ever seen this with 32bit windows when there's too…
James Crowley
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4 answers

Can 32-bit print drivers work on 64-bit windows?

I'm reading around and it seems that 32 bit drivers do not work under 64 bit windows. Is this true? since 32-bit applications can run under 64 bit windows it seems ridiculous that 32-bit printer drivers cannot. Are printer drivers run at the…
hookenz
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8
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What are the main benefits of Windows 64-bit over 32-bit for ASP.Net apps?

Besides the advantages of 64-bit memory allocation (> 4 GB - see this question on StackOverflow for why 32-bit +4 GB solutions won't work for me), what other reasons do I have for recommending that we should host an ASP.NET website on 64-bit Windows…
Duncan
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4 answers

Virtualization: 64-bit or 32-bit?

I'm going to install Ubuntu 10.04 Server in a virtual machine and want run MySQL and Lighttpd on it. Are there any benefits or disadvantages between 64-bit and 32-bit virtualization, except the 4 gigabyte memory limit on 32-bit machines. I use…
Jonathan Egerton
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2 answers

How does Windows 2008 R2 run 32-bit applications?

If 32-bit processor support is disabled in Windows Server 2008 R2, how does the operating system run 32-bit programs?
Aaron Clark
6
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2 answers

Apache SSL on 64-bit Windows (not a valid Win32 application)

I have created a portable (relative paths) Apache installation. It works perfectly on my 32-bit system, but when I try to run it on a 64-bit system, it gives the following error: >httpd -t httpd: Syntax error on line … of …/httpd.conf: Cannot load…
Synetech
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32bit or 64bit PHP on 64bit capable processor/64-bit Windows Server 2008/IIS7

I plan to install PHP on a system running on AMD Opteron/Windows Server 2008/IIS7. According to the device manager the OS is a 64-bit Operating System. So which flavor of PHP should I install on it. If 64-bit PHP 5.3.x then will there be any…
Salman A
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Multi-Architectures and Their Binaries

Why is there a /usr/lib and a /usr/lib32 directory but only a /usr/bin and no /usr/bin32 directory on a AMD64 64-bit-install of Ubuntu? If or when Debian/Ubuntu start supporting multi-target-architecture binaries in their ELF's will this directory…
Nordlöw
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RHEL 6 x64: running 32 bit applications

We develop an application which currently works in 32 bit mode only. It worked fine in RHEL 5 but failed to work in RHEL 6. The reason is RHEL 6 by default is installed with 64 bit libraries only. Moreover, we didn't find a way to choose…
user54614
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