All Questions
41 questions
0
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175
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0.39 ghz laptop CPU [duplicate]
Almost everytime I open my laptop and it wakes from sleep, the cpu clock is stuck at 0.39 ghz and I always have to wait for around 30 seconds for it to return to normal. I have a very good Asus laptop ...
- 1
0
votes
0
answers
21
views
What is the Difference Between 1Ghz Mobile Processor and 1Gzh Pc pocessor? [duplicate]
What is the difference between a 1Ghz ARM mobile processor and a 1Ghz x86 processor?. I mean both are 1Ghz right. Then how is it differs in performance other than the architecture?. why if we compile ...
1
vote
1
answer
207
views
Why aren't CPU instructions decoded before the program runs?
What is it about the decoding step of the instruction cycle that prevents it from being done ahead of time?
The Intel 64 manual says things like "decodes instructions into micro-operations".
...
- 129
44
votes
4
answers
12k
views
Can a 64-bit computer (x86) run a 16-bit OS natively, without emulation?
If you were to build a modern x86 computer with completely modern parts, could you load MS-DOS 6.11 and Windows 3.11 onto it without any emulation or even with FreeDOS? I recently saw a video of it ...
- 533
-3
votes
2
answers
187
views
Why is there a loss in processor power emulating 32bit programs on a 64bit system?
May be a stupid question but I cannot find a clear answer.
Host CPU=Emulated CPU
Pentium Pro 200 MHz = 286 6 MHz
Pentium II 350 MHz = 386SX 25 MHz
Pentium III 1.0 GHz = 486 66 MHz
Pentium ...
- 1
0
votes
2
answers
3k
views
I want to install executable of amd64 (x86) architecture on ARM architecture
I have just installed software (LabView linux supported version) on my laptop and its working fine.
Recently I installed it on ARM cortex-A9 processor (zynq 7z020) and successfully installed all ...
1
vote
1
answer
101
views
Shuttle XH61V / i7: 64b windows supported?
I am confused . I have a
- Shuttle XH61V V1.1
- Intel i7-3770
- chipset Intel 6 series/C200
I mistakenly installed 32bit Win7. I would like to install 64bit Win7 but I am confused:
- with this ...
- 13
1
vote
1
answer
607
views
Win 10 - 32 bit VM on a win 10 64 bit GPT disk system
I have a win 10 pro x64 system running a GPT HDD. GPT mandates 64 bit systems and a win 32 bit system cannot exist in the presence of GPT disks. I want to run a win 10 pro 32 bit system in a VM such ...
- 36
0
votes
2
answers
1k
views
How to get a BareMetal x86-64 machine [closed]
I know there is RaspberryPI for bare-metal ARM, but wondering if there is an x86-64 machine in which either (a) it has no operating system preinstalled installed, or (b) you can uninstall the ...
user39251
0
votes
1
answer
2k
views
What types of x86 and x86-64 Windows software will not run on ARM-powered "Always Connected" Windows 10 PCs?
Some PC manufacturers have announced Qualcomm Snapdragon 835-powered "Always Connected" PCs running an ARM version of Windows 10 S. Users will be able to upgrade to an ARM version of Windows 10 Pro, ...
- 37
0
votes
0
answers
237
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x86/amd64 architecture Malware on ARM architecture malware Detonation
Situation: Thinking of making a malware detonator using an ARM single board computer, which has a file scanner in it.
Problem: I am scanning computers (x86 and/or amd64), therefore malwares will be ...
- 135
9
votes
1
answer
1k
views
X86 Address Space Controller?
I understand that on x86, certain ranges of physical memory addresses are mapped to the BIOS, others to RAM and yet others to I/O devices.
I would like to know which hardware component is ...
- 257
0
votes
3
answers
2k
views
Share an old 32-bit printer with a 64-bit OS
I've got quite a bit of trouble setting up something which I honestly thought would have been easier.
I'm setting up a new PC for a family member (please, no jokes on this, this subject itself is as ...
- 393
-1
votes
1
answer
86
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Is there a term which unambiguously refers to both the 32-bit and 64-bit 8086-family ISAs?
Wikipedia uses x86 to refer to both the 32-bit and 64-bit "instruction set architectures based on the Intel 8086 CPU" (8086-family ISAs). However, often x86 is used specifically to mean 32-bit (e.g. ...
- 481
4
votes
1
answer
15k
views
What does Windows 10 Setup do when installing "both" x86 and x64 architectures?
On a Running 64 bit programs on a 32 bit system answer there's this screenshot:
What does the installer do if you select Both as architecture?
I don' think there's any way of having a both x86 and ...
- 187
-2
votes
1
answer
2k
views
Force a program to run on x86? [duplicate]
I'm using Windows 8.1 x64, and I'm trying a legacy app.
I get an error message complaining that the program is not compatible with x64.
Is there a way to force a program to run on 32-bit mode on a ...
- 3,668
1
vote
2
answers
267
views
How does the CPU cache fit in this?
So I understand a little bit on how it's all wired together. Instructions are stored in Registers and the EIP/RIP points to Opcode that manipulates those registers (program code).
However I can't ...
- 113
4
votes
2
answers
7k
views
Office x86 vs x64
I'm running Win 8 x64, and I'm wondering which version of office to install, the x86 version or the x64? It seems to be me that an office app really shouldn't need more that 2GB of memory, so there's ...
- 143
3
votes
1
answer
448
views
Meaning of (x86)
I want to download ODI tool for some work. But on the link here, it asks platform description. I am unable to decide b/w Microsoft Windows (x86) and All Platforms (including x64).
I am using Windows ...
- 139
21
votes
3
answers
48k
views
Latency of CPU instructions on x86 and x64 processors
I'm looking for some table or something similar that could help me to calculate efficiency of assembly code.
As I know bit shifting takes 1 CPU clock, but I really looking how much takes addition (...
- 785
1
vote
1
answer
43k
views
How can I make this 32-bit program run on my 64-bit?
I have an old disc that contains a program which was made for Windows 95. I tried to install it on my Windows 7 64-bit system and it gives me this error:
"The version of this file is not compatible ...
- 21
0
votes
3
answers
150
views
Is my install 32 or 64bit? [duplicate]
Possible Duplicate:
32-bit vs. 64-bit systems
Is my install 32 or 64bit?
I'm trying to find out if my Ubuntu install is 32 or 64bit.
Whats the best way of finding out if the Ubuntu installed ...
1
vote
1
answer
3k
views
x86 emulator on ARM for windows 8 [closed]
i just preordered the MSFTs Surface RT (which is an ARM-based tablet). I was wondering if it is possible through some hack(at some point in time) to install an emulator for x86/x64 apps.
I see no ...
- 123
0
votes
1
answer
417
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 ...
- 694
3
votes
2
answers
10k
views
Is it possible to run 64-bit software on a 32-bit operating system? [duplicate]
I have a program that is designed for a 64-bit OS, but I only have a 32-bit OS at the moment. Is there any way to convert the program to 32-bit or install the 64-bit program on a 32-bit OS?
- 167
0
votes
1
answer
847
views
What CPU is good for single-threaded performance? [closed]
I have an app, which is single-threaded. The source code is not available. The people who managed it before me didn't really understand the whole "single-threaded" business and bought a ridiculously ...
- 19k
3
votes
1
answer
3k
views
Understanding the nop byte(s)
Ok, so I was reading through the AMD64 manuels and knowing that nop is really an xchg eax, eax, I looked at the xchg and found something interesting, that it seems a byte can be encoded into the ...
- 627
2
votes
1
answer
2k
views
"nop; jmp short" vs. "jmp short; nop"
Ok, first let me get this straight: This is not about micro optimization.
But, I know in bootloaders on the partition, a lot use the jmp short; nop coding. But it is to my understanding that the less ...
- 627
9
votes
4
answers
5k
views
How does OS X run 64-bit Binaries while running on a 32-bit Kernel?
I have recently figured out that Mac OS X actually CAN run 64-bit (x64) applications even if x86 kernel is loaded. That was shocking for me for a first time.
But then I've realized that it is really ...
- 193
4
votes
2
answers
3k
views
Windows 7 installation using Windows PE
Is it possible to install Windows 7 (64-bit) using Windows PE (32-bit)?
I am following the guide available here.
- 239
3
votes
1
answer
2k
views
When the term 'x86' is used, does it always refer to 32-bit?
When the term 'x86' is used, does it always refer to 32-bit? And is it only about Intel processors?
- 1,757
1
vote
1
answer
218
views
Why is the Bluetooth UI different on two Windows 7 systems?
I have two Windows 7 systems, one is Windows 7 x86, the other is Windows 7 x64.
When my BT device connect to my Windows 7 x86 system, it has a nice UI with all the functions my device support;
When ...
- 976
2
votes
2
answers
646
views
Windows 7 64-bit - More compatibile with 32-bit apps than previous Windows?
I'm thinking of updating my system to an x64 one. I've previously heard that this is far more trouble than it's worth (unless you're running lots of x64 optimized software) as you would have lots of ...
- 4,444
1
vote
3
answers
7k
views
Installing 32 bit app to c:\program files in 64 bit Windows 7?
I have a custom built 32-bit app that I'm trying to install. When I ran the installer (ol' setup.exe) it installed to Program Files(x86) as all good 32 bit apps seem to. Unfortunately it looks like ...
- 113
11
votes
7
answers
34k
views
Why does Windows 7 x64 work faster than an x86 edition on my PC?
Why does Windows 7 x64 work faster than an x86 edition on my PC even though I mostly use x86 things in it? What's wrong with me, and what am I missing?
Majority of the things I use is x86 (e.g. DAWs, ...
- 441
3
votes
2
answers
3k
views
Install VLC on Windows 7 x64
How Can I install VLC on an x64 bit version of Windows 7?
I have checked the compatibility modes and I do not see an x86 version. I have tried running is under XP and Vista with no luck.
- 247
3
votes
2
answers
2k
views
Install and run 32 bit on 64 bit machine
I want to make sure that on 64-bit Windows, 32-bit application can be installed/run without any issues? And it is guaranteed by Windows backward compatibility?
For example, any application (e.g. ...
- 5,109
1
vote
1
answer
624
views
Would Turbo C and the executables generated by Turbo C compilations run on Windows 7?
For some reason I have Turbo C compiler (DOS version). I believe both the Turbo C executable and the C programs compiled into executables are 16-bit versions. I have a Windows 7 system. Would like to ...
- 2,507
2
votes
1
answer
1k
views
Windows 7 Installation Folder: x86, x64 and another info
I've downloaded a lot of Windows 7 versions (release candidates, trial, x64 and x86, etc). The bad part is that the downloaded iso files don't have clear names, so I cannot to know wich version is ...
- 3,935
7
votes
1
answer
16k
views
Confusion about software for x86, x86_64 and x64
do softwares meant for x86, install on x86_64 and x64. I am focusing on linux.
What problems can occur.
I have never been comfortable with the differences.
Could you explain?
- 2,474
2
votes
5
answers
281
views
When should I choose an x64 version of a vendor's application?
I have Windows 7 x64 (I wanted more than 4GB of RAM), and I'm not talking about drivers here - I'm talking about installable applications.
If a vendor offers both an x86 and x64 version of their ...
- 1,103