All Questions
Tagged with 32-bit operating-systems
29
questions
0
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2
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Why can a 64-bit OS take full advantage of a 4GB RAM but a 32-bit OS cannot? [duplicate]
(Preamble: I understand that there are similar questions, but I'm specifically trying to understand why having more than 32 bits help accessing that 0.5 GB when having 232 addresses is more than ...
- 103
1
vote
1
answer
200
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Why our server with centOS i686 showing 14 GB usable RAM
We have CentOS server 6 i686 (installed by previous employee) on blade server which is having 32GB RAM (4GB x 8 slots).
The usable RAM is 14GB.
My question is why it is showing 14GB instead of 4GB,...
- 253
0
votes
1
answer
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Why can't x86 (32-bit) operating systems use more than 3.25 GB of RAM memory and not whole 4 GB? [duplicate]
I know that 32 bit machines cannot use more than 4 GB of RAM since they cannot address this many memory addresses.
However I do not understand why almost all 32 bit operating systems including Window ...
- 1,863
-2
votes
1
answer
400
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What is variable length instruction, What is its importnace in 32 and 64 bit OS [duplicate]
While reading about 32 bit vs 64 bit OS i came to know that there is instruction length varies from 32 bit to 64 bit. What actually it means and what is its importance?
- 101
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1
answer
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Does the chipset also determines installablility of 32bit OS or 64bit OS?
I have Fujitsu Lifebook A6025 with Pentium T2130 and Intel® 945GM/ ICH7-M chipset according to the spec. I want to upgrade the CPU to Intel Core 2 Duo Mobile T7400(Socket M) CPU. The T2130 CPU ...
- 111
5
votes
2
answers
1k
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32-bit to 64-bit skipping 48-bit?
Computer architecture upgraded from 16-bit to 32-bit to 64-bit. What was the logic for skipping 48-bit? What reasoning was used to upgrade to 64-bit and not some other exponent?
The following tables ...
0
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1
answer
4k
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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 ...
- 103
26
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6
answers
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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 = 4,294,967,296 bytes (4 Gigabytes)
64 bit = 18,446,744,073,709,551,616 (16 ...
- 648
0
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2
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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 advantage ...
- 73.5k
44
votes
1
answer
7k
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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?
- 709
1
vote
1
answer
164
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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. If it ...
user146832
2
votes
3
answers
3k
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 ...
- 4,979
5
votes
4
answers
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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 ...
- 53
1
vote
1
answer
57
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Win 7 32 bit vs 64 bit for VS2010 and SQL server [duplicate]
Possible Duplicate:
32-bit vs. 64-bit systems
My planning is to buy a machine having Intel I5 processor for web development using VS2010 and SQL server(latest version). Now Which OS 32bit or ...
- 171
1
vote
3
answers
801
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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 ...
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