-1
votes
3answers
100 views

Defining 32-bit or 64-bit processor requirements [duplicate]

My knowledge of computer hardware is fairly extensive, however it is apparent that this is not the case when considering types of operating systems. I've gone by the rule of thumb for years that if a ...
14
votes
2answers
260 views

Are 64-bit processors “faster” than 32-bit ones, simply because they are 64-bits? [duplicate]

I have pondered that some say "32-bit is old news" because you are limited in RAM without cutting around, such as with PAE. Assuming first that the following factors weigh in on the processor's speed ...
-1
votes
1answer
52 views

x32 and x64 architecture difference in operating with numbers

For example in Java programming language we can use int (32 bit) or long (64 bit) values. As I understood 32 bit cpu can operate with 32 bit numbers in one cycle. There is 32-bit and 64-bit cpu's. So ...
1
vote
1answer
79 views

Run the 32bit userland instead of the 64-bit one in a 64-bit linux environment

This may be the opposite of a question, but I was wondering if there is anyway to run a 32bit userland instead of the 64-bit one in a 64-bit linux environment. I could run 32-bit software via ...
282
votes
18answers
100k views

If 32-bit machines can only handle numbers up to 2^32, why can I write 1000000000000 (trillion) without my machine crashing?

32 bit computers can only store signed integers up to 232 - 1. This is why we have run out of ipv4 addresses and have entered the 64 bit era. However, the number 232 - 1 (2,147,483,647) is not as ...
0
votes
2answers
4k views

Windows 7 32-bit, 4GB RAM installed, 2.3GB usable

I recently added a 2GB memory stick to a TravelMate 5740 laptop running Windows 7 32-bit which already had 2GB of RAM. I am aware of 32-bit systems not making use of the full 4GB memory, but I was ...
5
votes
5answers
6k views

How many memory addresses can we get with a 32-bit processor and 1gb ram?

How many memory addresses can we get with a 32-bit processor and 1gb ram and how many with a 64-bit processor? I think that it's something like this: 1GB of ram divided by 32bits or divided by 4? to ...
0
votes
1answer
247 views

Windows 7 32 Bit (on MacBook) Suddenly lost 1.5 G of RAM usable out of 4

I have a MacBook Pro running Windows 7 32 Bit (under BootCamp). It is a 4G machine, and has happily been running for 2 years with 3.5 or so usable RAM. I started noticing the fan and hard drive ...
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, ...
1
vote
3answers
839 views

32 bit windows max ram with discrete graphics card

I understand that if I have an integrated graphics and 4 gb of ram, windows 7 needs to address some of it o the integrated ones. However how come if I have a discrete graphics card with 1 gb of vram, ...
-1
votes
3answers
62 views

Ram on windows XP [closed]

I run windows XP both 32 bit and 64 bit versions on virtual machines, I understand the 64 bit OS does ocupy a little more RAM than the 32, but is it a big difference? I don´t do may things on windows ...
0
votes
2answers
481 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 ...
-1
votes
1answer
289 views

If I double my ram on a x86 processor, does that double the ram I can use for each individual process? [closed]

I don't understand how 32-bit OS's use RAM on a per process basis. I've read the max RAM my x86 processor running a 32-bit OS can use is 2^32 = 4GB; but that's just for one process, right? 3DS Max ...
1
vote
2answers
11k views

Only 2.99 Gb RAM usable out of 8GB in Windows 8 32 bit [duplicate]

Possible Duplicate: 8gb ram in 32bit operating system I have installed 8 GB RAM in my system. Also upgraded OS to Windows 8 32 bit. My System configuration: Intel i7 960. Ram Crossair ...
1
vote
1answer
191 views

32bit Application Memory Usage on 64bit Windows 7

I have an early 2012 Macbook Pro with and Intel I7 processor and 16 gigs RAM running Windows 7 Professional 64bit via Bootcamp. I work in Geographical Information Systems as a programmer so most of ...
-3
votes
1answer
752 views

how to break the <4gb ram barrier in win xp sp2? [closed]

I know that it can be done by taking a file from win 2k3 server and mod it to place it in xp, but thats all I know! How can I do it? Side note: PAE doesnt work in sp2 (it works but there is a ...
4
votes
2answers
360 views

Why is it so that 32 bit is limited to 4 GB RAM but it can easily support 1 TB HDD's? [closed]

Why is it so that 32 bit is limited to 4 GB RAM but it can easily support 1 TB HDDs? How does the binary math work?
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?
0
votes
1answer
79 views

How can I tell if I will benefit from an upgrade?

I have a Dell Latitude E6320 with 2GB of DDR3 RAM running Windows 7 (32-bit). I plan on buying 4 more GB of RAM (for a total of 6GB) and then replacing Windows 7 32-bit for Ubuntu 64-bit (if ...
2
votes
5answers
2k views

If I run a 32 bit OS on a computer with more than 4GB of RAM, which RAM sticks are used

If I run a 32 bit OS on a computer with more than 4GB of RAM, which RAM sticks are used? Is it random, determined by some algorithm or is a percentage of each used? Let's say for example, I have a ...
1
vote
1answer
5k views

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 ...
77
votes
4answers
60k 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 ...
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 ...
4
votes
5answers
27k 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 ...
-3
votes
3answers
1k views

64bits Vs 32bits processors [memory consumption] [closed]

Does a 64 bit processor consume more memory (RAM) than a 32 bit one?
3
votes
3answers
323 views

I need more RAM

I currently have a 32bit version of Windows XP Professional on which I have installed the following 32bit software: Chromium 13 Adobe Photoshop 7 Office 2003 Professional Altiris 6 Microsoft SQL ...
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. ...
2
votes
2answers
1k views

How does the number of sticks of RAM influence speed, for the same total amount of RAM? [duplicate]

Which will run faster: four 1GB sticks of DDR2 RAM, or two 2GB sticks? Will they run at the same speed? I'm just curious since they are sold in both sizes, and I have four slots, but only two sticks ...
0
votes
5answers
11k views

4GB of RAM on Windows 7 32-bit [duplicate]

Possible Duplicates: Windows XP and RAM 3.5GB+ Is there way to enable 4 GB RAM in 32-bit Windows OS? I installed 4GB of RAM on my Windows 7 Ultimate 32-bit (it used to have only 2GB). ...
3
votes
4answers
4k views

RAM: 2GB + 4GB better than just 4GB on 32-bit?

Couldn't find any similar questions, so here it is. I currently have 2GB of RAM in my PC, and I ordered a 4GB module a few days ago. I run Win7 32-bit, so I know I can't use all 6GB of that total ...
1
vote
3answers
1k views

4 GB of RAM, switch to 64 bit? [duplicate]

Possible Duplicate: Ubuntu 64-bit vs 32-bit Hi, I currently run a Ubuntu system with 32 bit but I have 4 GB of RAM. As I have heard only 3 GB are used. In the recent time I'm seeing that I ...
5
votes
5answers
415 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
1k views

RAM Upgrade options for 32-bit windows machine with 2GB ram

I have a couple of years old PC used for semi-serious gaming. It has an Asus P5QC motherboard with 2x DDR2-800 1GB modules installed, running Vista 32 bit. The graphics card is external with its own ...
29
votes
8answers
15k views

Is there any benefit from installing Windows 7 64-bit when you have less than 4GB or RAM?

I've recently purchased Windows 7 Ultimate. I have an AMD Athlon64 X2 5000+ with 2GB DDR2 RAM. I know RAM has gotten much cheaper, I know, I know, but I am not going to be able to upgrade my RAM for ...
4
votes
1answer
3k views

Getting 32-bit application to use more than 2GB on 64-bit Windows 7?

I'm trying to get a 32-bit app to be able to use more than 2GB on my 64-bit edition of Windows 7 Ultimate. Currently, it crashes when it hits 2GB. I've heard there're ways to move this up to 3GB in ...
0
votes
1answer
2k views

Enable 4 GB RAM usage on Windows 7 32-bit [duplicate]

Possible Duplicate: Why does Windows only show about 3.5 GB of my more than 4 GB of RAM? I have 4 GB of RAM which I understand is the maximum for Windows 7 32 bit. My system recognizes ...
5
votes
4answers
649 views

Can I use the unused 1G of 4G on a 32bit machine as a ramdisk?

I have a machine with 4G of RAM, but running 32bit windows 7, so can only see 3G. I have read somwhere recently that that unused 1G can be used as a RamDisk. Is this true? What sort of program allows ...
0
votes
2answers
82 views

Improve my System, Need some advice/suggestion

Processor: 2.40 gigahertz Intel Core2 Duo Board: ASUSTeK Computer INC. P5B-MX Memory: 2 Gb VideoCard: NVIDIA GeForce 7300 GT HDD: 80GB + 250GB both IDE Operating System: Windows 7 32bit Please give ...
1
vote
2answers
256 views

Does PCI bus really occupy 1.8GB

I am using a Dell Vostro 1700 laptop which currently has 2GB of RAM. I was considering buying some more memory to upgrade it to 4GB. I am running 32 bit Windows Vista and I know that there can be ...
2
votes
5answers
315 views

Hardware imposed 32-bit limit

i'm thinking about converting my OS (ubuntu) to the 64 bit version to use the last bit of memory (4 gb)—ok, it's rather reinstalling … will this work as expected or are there possible limits given by ...
9
votes
6answers
3k views

3GB RAM Installed and Detected by BIOS, Windows Vista 32bit Only Sees 2GB

I am attempting to install more RAM on a Windows Vista 32bit machine which is using a X6DAL-XG motherboard and the RAM amount reported in the BIOS is 3GB+, but Windows is only reporting 2GB installed. ...
6
votes
3answers
4k views

Why does installing NVidia 9600GT graphics card, take 1GB of RAM away from Windows?

I've changed graphics cards in my PC and now Windows 7 (32bit) is reporting that I have a whole gigabyte less physical RAM in my PC. Why is this? Firstly, the machine has 4GB of physical RAM. The old ...
2
votes
2answers
81 views

What advantage to I have if I use 64bit libraries?

I see many people go crazy about 64bit libraries, and preferring them in general to the 32bit counter parts. I realise there is a lot of talk that gets lost in translation, and that the 64bit can be ...
4
votes
1answer
514 views

Have 4 GB of memory on 32-bit laptop running Ubuntu — any way to use it?

I have 4 GB of memory on a 32-bit laptop (Lenovo T61, in case it matters) running Ubuntu 9.10. Is there any way to make use of it all? Ubuntu only sees 3 GB, of course. Is there any way I can ...
3
votes
2answers
9k views

Why does Windows 7 64-bit require more memory than 32-bit?

Why does Windows 7 64-bit require more memory than 32-bit, according to the upgrade advisor?
18
votes
9answers
54k views

Is there way to enable more than 4 GB RAM in 32-bit Windows OS?

I upgraded my PC to 4 GB RAM and I get only 3 GB. Windows 7 32-Bit consider that I've 4 GB RAM but didn't use more than 3 GB. Someone told me that MS Windows 32-bit doesn't support RAM larger than 3 ...
0
votes
5answers
3k views

On a Intel Core Duo Laptop running Windows 7 32-bit, will there be performance issues if I install a 4 GB Memory kit?

From What I've gathered, by default 32-bit systems will not recognize the 4GB of RAM, rather it would only recognize up to around 3GB of RAM. My question is simple, will there likely be a performance ...
2
votes
5answers
388 views

Memory sticks, 32 and 64 Bit OS

My current setup: Windows Vista, 32 bit 2 sticks of 1 GB Kingston HyperX 1333Mhz ram Asus P5K3 Deluxe Motherboard My Theoretical, temporary setup Windows Vista, 32 bit 4 sticks of 2 GB, 1333 ...
3
votes
4answers
4k views

Windows 7 RTM 32Bit vs 64Bit (with 4GB RAM)

I just upgraded to 64Bit Win 7 RTM - very happy with it - I also have 4GB RAM. The problem is I bought an expensive Logitech Wireless USB Headset, that sounds really choppy in a 64Bit system - it ...
3
votes
4answers
5k views

I have 4GB of RAM installed but only 2GB are useble?

In the BIOS it says 4096MB, so the BIOS detects it. However Windows 7 only lets me use 2048MB. What's the problem?