0
votes
1answer
673 views

Intel E7500 OS supports

I have an Intel E7500 processor on a HP Compaq 6000 Pro MT PC. Processor info in msinfo32.exe shows this: Processor Intel(R) Core(TM)2 Duo CPU E7500 @ 2.93GHz, 2933 Mhz, 2 Core(s), 2 Logical ...
3
votes
3answers
4k views

Memory limits in 16, 32 and 64 bit systems

The theoretical memory limits in 16, 32 and 64 bit machines are as follows: 16 bit = 65, 536 bytes (64 Kilobytes) 32 bit = 4, 294, 967, 295 bytes (4 Gigabytes) 64 bit = 18, 446, 744, 073, 709, 551, ...
0
votes
2answers
482 views

Is there any disadvantage to running a 64 bit OS on a low memory system? [duplicate]

Possible Duplicate: advantage of 64 bit os on system with only 2Gb Is there any disadvantages in running a 64 bit OS on a low memory system, say 2GB of RAM or less? Would there be any ...
0
votes
1answer
219 views

Which Official ISO do I Download?

I wanted to do a clean install of my Win7 after I get my HDD so I decided to download the Official ISO from here.I got this link from HP's website. I have the product key with me but not the discs ...
36
votes
1answer
2k views

Do 64bit software/applications require more RAM than their 32bit counterparts?

I just saw these minimum requirements for a game: Memory: 2GB for 32-bit OS or 4GB for 64-bit OS Why does the 64bit OS require more RAM than its 32bit counterpart?
1
vote
1answer
122 views

32-bit operating system on 64-bit machine with 4 gigabytes of memory or less [duplicate]

Possible Duplicate: Other benefits of 64-bit OS apart from memory expansion? I'm going to be buying a laptop soon. I'm going to install Linux so that it will dual-boot Windows and Linux. ...
2
votes
3answers
1k views

Is my laptop processor 64bit?

I have a Lenovo Ideapad Y510. I have always used 32bit OS in it. Yesterday I came across this detail of my laptop and it says processor of my laptop is 64bit (hope I have not misinterpret anything) so ...
6
votes
5answers
8k views

“This CPU is not compatible with 64-bit mode.” - Installing Windows 7 Ultimate 64-bit on a netbook with a 64-bit Intel Atom CPU

I tried installing Windows 7 Ultimate SP 1, 64-bit on a netbook (Lenovo IdeaPad S110), which has the Intel Atom N2800 (1.86 GHz) as its processor, but I get the following error message when the ...
7
votes
4answers
14k views

How to find my Windows OS is x64 or ia64?

Let me explain the scenario. While I scan many executables in my windows director with ProtectionID, I had to scan Windows Explorer. And the results or given below. Scanning -> ...
2
votes
4answers
1k views

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 ...
0
votes
1answer
87 views

Windows 7- Data Recovery done, laptop hard drive is not working

I have a HP Laptop running Windows 7 - 64 bit that got infected with Virus in June. I was unable to perform a recovery of that system and as the laptop was purchased from US I needed to order the ...
1
vote
3answers
446 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 ...
-1
votes
1answer
114 views

Understanding 64 bit [duplicate]

Possible Duplicate: 32-bit vs. 64-bit systems From my understanding, saying that a system is 64 bit means that it has a processor that recognizes and handles the x64 instruction set ...
-1
votes
2answers
171 views

not getting whole of my computer's ram [duplicate]

Possible Duplicate: Why does Windows only show about 3.5GB of my 4GB+ of RAM? i have 8 GB of ram in my desktop but it shows "3.47gb is usable" how to get whole usage of the ram. please help ...
1
vote
2answers
2k views

Is there a reason to install a 64bit OS on a computer with less than 4GB of RAM? [duplicate]

Possible Duplicate: Is there any benefit from installing Windows 7 64-bit when you have less than 4GB or RAM? Hi everyone. I have a computer with Arch Linux x64 on it and 3 GB of RAM. ...
4
votes
4answers
379 views

The technical reasons to make 64 bit OS slower

From this post, I read the following comment. If you only have 2GB, I recommend you install 32 bit version, 64 bit will be much slower (because of several technical reasons about 64 bit ...
1
vote
1answer
480 views

How to dual OS 32-bit/64-bit Windows 7 Ultimate

I have a problem with regards to my nVidia driver not running on 64-bit. I decided to install both 32-bit and 64-bit on my ASUS K42JC (4GB RAM upgrade) in order to function the nVidia on the 32-bit. ...
5
votes
5answers
416 views

Why 32bits OSs can't address more than 3.2/3.2 gb of memory?

Don't know if this is the right place to ask this question. I've been reading that 32bit OSs (like the Ubuntu i'm running right now) can't adress more than 3.2gb or 3.3gb of RAM memory. I remember ...
1
vote
3answers
3k views

Having trouble installing Windows 7 64-bit on my i3-350M laptop

Based on my brief research, the version of Windows 7 you can install (with respect to 32 or 64 bit) is based on what processor you have. I just bought a Dell Vostro, with a i3-350M Processor, and as ...
1
vote
3answers
152 views

64 bit operating system prerequisites?

Last night I want install Open Suse 11.3 64 bit edition to my new desktop computer. But my each attempt failed with general message "Error Occured". I think my computer may not be suitable for 64 bit ...
10
votes
5answers
20k views

How to check whether my OS is 64-bit or 32-bit?

What is the best way to determine whether my OS is 64-bit or 32-bit ? Assume that, I directly on some os & I am going to install a software on it. But how to determine, whether OS is 32-bit or ...
2
votes
6answers
918 views

Confused between 32 bit OS and 64 bit OS

I have 32 bit Windows Xp on my machine now i want to install Windows 7 64 bit. Can i install it? My machine is 3-4 years old. Does the bits of OS has anything to do with hardware? Or it's just a ...
1
vote
4answers
4k views

Pros and Cons using 32-bit vs 64-bit operating system (Windows 7) [duplicate]

Possible Duplicate: 32-bit vs. 64-bit systems I want to know what will be the difference and advantages using 32 and 64-bit. why does it really matter. What will it's benefit to Windows 7 ...
27
votes
5answers
22k views

Why 64 bit OS can't run a 16 bit application?

Why is it that a 32 bit OS that is installed on a 64 bit CPU can run old DOS 16 bit applications, but if you install a 64 bit OS it can't run those applications directly and need some sort of ...
0
votes
0answers
63 views

what OS type to use [duplicate]

Possible Duplicate: 32-bit vs. 64-bit systems Hi there On a Intel Core Duo system with 4GB or RAM , do I have to use a x64 or a x86 operating system?
1
vote
2answers
1k views

64bit vs 32bit Operating Systems, which one to choose having 2GB RAM? [duplicate]

Possible Duplicate: 32-bit vs. 64-bit systems There is several talks about it, most people way "64bit all the way", but I'm wandering if for a 2GB machine 32bit is just fine. Currently ...
3
votes
7answers
621 views

Why cant we use 64 bit OS on a 32 bit CPU?

Why can't a 64-bit OS run on a 32-bit CPU, but a 32-bit OS works on a 64 bit CPU?
3
votes
7answers
843 views

Performance loss of a 32bit OS on a 64bit processor

I recently reinstalled my notebook, and my friend laughed at me because I didn't install the 64bit-version of vista instead of the 32bit one. After which I wondered whether there was a great ...
141
votes
19answers
24k views

32-bit vs. 64-bit systems

What are the differences between 32-bit and 64-bit systems? If you have used both of them, what kind of sharp differences have you experienced? Would it be a problem to use 32-bit programs on ...
1
vote
5answers
2k views

Do I need more RAM for programming if I switch to a 64 Bit OS?

Given that today (for performance reasons?) variables are usually aligned to the "bit-width" (I wanted to use "word-width" here, but on x86 a "word" is still 16 bits right?) of the processor, would ...
1
vote
2answers
179 views

How can I be certain that the computer I'm using can run a 64-bit OS?

Specs aside (from a website or other source). What can I do to to be certain my laptop can run a 64-bit OS (ie. Windows 7 64bit) I've downloaded SiSoft Sandra and I'm not 100% on what stats to read ...
8
votes
6answers
6k views

Windows 7: Should I Install 64-bit or 32-bit Version? (x64 vs x86)

Deciding which Windows 7 version to install can be a difficult decision and can really limit what you can do with your system. Do you have any practical hints which could help decide which version to ...
12
votes
6answers
3k views

What is the difference between 64-bit and 32-bit Operating systems? [duplicate]

Possible Duplicate: 32-bit vs. 64-bit systems I know that there are 2 types of OSs, 64 bit and 32 bit What is the main differences between them? And if I am buying a new laptop, which one ...
32
votes
7answers
7k views

Other benefits of 64-bit OS apart from memory expansion?

I'm trying to convince somebody of the benefits of switching to a 64-bit OS but I'm having a hard time finding arguments other than "you can use more than 3GB RAM". Are there any other ...
13
votes
3answers
22k views

Can a 32 bit OS run in a 64 bit processor?

What's the difference between 32 bit OS and 64 bit OS? Can a 32 bit OS run in a 64 bit processor?
36
votes
10answers
2k views

Should I install 64-bit versions of operating systems?

With the release of Windows 7 coming up, 64-bit operating systems have caught my attention. What are the main advantages and disadvantages of installing 64-bit Windows 7? What type of compatibility ...
13
votes
4answers
20k views

How do I know my laptop is 64-bit compatible?

I recently plan to buy a new laptop to run a 64-bit OS, but a friend told me that my current laptop is already 64-bit. How can I verify if my laptop is ready to load a 64-bit OS or not? Here is the ...