In computing, x86 is the generic name given to the family (architecture) processors based on Intel 8086 by Intel Corporation.

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Solaris x86 downgrade NVIDIA driver

I had to reinstall Solaris/x86 11 and in the process upgraded to version 11.3 from 11.1 on the same machine. The NVIDIA drivers were also updated, but there is a message during X startup that the ...
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1answer
32 views

Are popular benchmarks valid comparisons of architectures?

Recently, people have been very excited over Apple's ARM processor capabilities, citing benchmarks results that rival x86 processors. However, I am kind of skeptical of these benchmarks: though the ...
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1answer
26 views

Where are hardware interrupt handlers stored?

I've been doing some research on interrupts and it seems that pointers to software interrupt handlers are located in the first 1024 bytes of memory. I haven't been able to find anything about the ...
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0answers
19 views

CPU x86 - external interrupt invokes exception handler

If I will be wrong, please correct me. In x86 architecture, there are 256 interrupt vectors. The first 32 are exceptions/internal interrupts/synchronous interrupts. What will happen if external device ...
3
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0answers
37 views

How does an x86 processor recover from S2/S3 sleep?

I was reading through this page on how sleep states work in Windows and I was intrigued by the reset vector. My current understanding is that; When the system is in S2/S3, the processor is fully ...
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1answer
234 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 ...
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0answers
24 views

Install raspbian epiphany on regular distro, e.g. ubuntu, archlinux, etc

About a year ago, the Raspberry PI switched to a custom version of Epiphany for better performance. I have a crappy x86 computer running archlinux that could really benefit from a web browser as ...
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1answer
68 views

What is purpose of clock in CPU

What is the function of the clock signal. I think that when Clock Signal arrives it tells the CPU to make next step (Because each instruction is processed in sequence of microistruction) Example: ...
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1answer
45 views

Latency semantics of read registers on x86 ASM

Per A. Fog's instruction tables, an Ivy Bridge has a 3 cycle latency on a MOV instruction. So the following will take 3 cycles to move RAX into the address in RCX: mov [rcx], rax ...
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16 views

Installing windows through Microsoft Windows Startup Menu

A friend gave me PC with installed Windows XP on it, but he asked me to install the Windows 7 Ultimate x86 he bought. However, when I boot it, it shows "Microsoft Windows Startup Menu" and prompts me ...
2
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1answer
122 views

Does the Windows registry hold details of the processor's capabilities?

I have a strange situation which I hope someone can shed light on. I have an old HP laptop NC6320 with a triple boot running Windows XP, 7 and Linux Mint. It's an Intel Core 2 T5600 which supports ...
2
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1answer
824 views

Can anyone provide me the correct Intel HD Graphics driver link?

I am knowing that many users will find this question funny as I can't even find the correct driver but the question is somehow complicated. My device is Asus x200ma. Manufacturer's driver is only made ...
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2answers
2k views

Visual Studio Code on Linux 32-bits

So, Microsoft launched the Visual Studio Code versions for Linux and Mac too (which is awesome for orders of magnitude) but de documentation is a little poor. I downloaded the Linux version (which is ...
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1answer
265 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 ...
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1answer
497 views

Dell Inspiron 15 R n series

I want win7 32-bit wireless driver for my laptop (dell inspiron 15R core I7 n series) I searched at the main site but all drivers were for 64-bit only and till now no driver worked for it, I really ...
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2answers
160 views

Difference between UEFI and BIOS architecture

How does the UEFI offer an advantage over BIOS architecture? Why is it so difficult install Linux(read Ubuntu) as a dual boot option on a UEFI Windows 8/8.1 PC? I say it's difficult because of this ...
2
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1answer
886 views

How can I get wine to support outputting to pulseaudio (through ALSA compatibility layer) with 32 bit Windows programs on Slackware64?

So, I have a working multilib setup as per the slackbook instructions. I have wine successfully working with 32 bit Windows programs (namely Skyrim and Deus Ex: Human Revolution). And I have ...
2
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1answer
171 views

How slow is the x86 single-step debugging feature?

The x86 architecture provides a hardware single-step trap for debugging. How much does it slow down the running program? If, say, a Linux kernel function was created to do nothing but single step a ...
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0answers
60 views

When doing IDE DMA on x86, can other CPUs access the memory?

I am unfamiliar with hardware. I am studying the IDE disk I/O and DMA on x86. I want to know that when doing a IDE disk I/O with DMA, can other CPUs access the memory (or exactly, the same memory ...
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1answer
48 views

how different will the design of x64 cpu from that of arm cpu [closed]

This question has bothered me for a while. I understand their difference in ISA, that x64 has more complicated instructions. However, I can't see the essential difference in their designs. I have ...
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2answers
2k views

What is the difference between primary and secondary bootloader?

What is the difference between primary and secondary bootloader? Does primary and secondary refer to the two parts of the bootloader or two stages of the bootloader? I am confused.
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2answers
3k views

How to check if a binary requires SSE4 or AVX on Linux

On Linux,/proc/cpuinfoallows one to check all the CPU flags the machine has in a simple way. Usually, if a program requires a superset of a machine's instruction set, the easiest way to determine this ...
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2answers
90 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 ...
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1answer
394 views

Solaris x86 install on Lenovo nothing happening

All, I am in the process of creating a DEV box for hosting my projects and I am wanting to install Solaris 11.1 onto a Lenovo Desktop PC . PC Details: Lenovo M92p Thinkcentre 3227 Intel Core i5 ...
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2answers
3k 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 ...
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1answer
183 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 ...
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7k 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 ...
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1answer
2k views

Is it possible for an x86 processor to match an ARM processor in terms of performance per watt?

From my personal experience with my tablet, and from the benchmarks and articles I've read, it always seems ARM processors, as seen in virtually all mobile devices, deliver incredible performance for ...
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1answer
518 views

Unable to install Solaris 10 x86 on HP ProLiant DL140

I'm trying to install Solaris 10 on an HP ProLiant DL140 to use for testing (we're using an old system so we no one will mind if we accidentally brick it), but I'm running into some problems: 1) The ...
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2answers
2k views

Can't I install a 64 bit OS as a guest OS,when the host OS is 32 bit [duplicate]

I read it somewhere "If you are running virtual box on a 32 bit OS, you cannot install a 64 bit OS as a guest OS (in virtual box)." Is it true ? If so, I want to know the reason ? Note: I am using ...
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1answer
825 views

Some apps crash on x86 android eeepc 4G (701). Why and what can I do?

I installed x86 android on my asus eeepc 4G 701 and it was a success out of the box! Then I installed the gopro app for my camera to connect and control it via wifi. The pc cannot maintain a ...
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1answer
402 views

How to build a compact x86 / EISA / ISA architecture PC

This question is based on a previous question I asked (x86 based Retro/Nostalgia PC the size of a Raspberry Pi), and also I guess to some extent it fits in with this question regarding ISA bus on ...
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448 views

x86 based Retro/Nostalgia PC the size of a Raspberry Pi [closed]

A couple of years ago now, I resurrected an old machine for nostalgia, and to some extent to learn about the system architecture using Assembly language, C++ (for real mode DOS). Specs: AMD Duron ...
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1answer
23k 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 ...
3
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1answer
108 views

How is PAE implemented in Linux?

There are only 36 physical address lines but a page table entry is 64 bit long. How does the CPU check if the address is valid ? How does Linux OS map the same virtual address in different processes ...
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1answer
97 views

Best assembler -> C book? [closed]

I know there are good assembler books and there are good C/C++ books, but is there a book which maps the two programming languages/levels together?
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3answers
4k views

How can I run 32-bit Eclipse on 64-bit ubuntu?

I have a customized version of Eclipse which is for 32-bit only. And I've got to run it on 64-bit ubuntu 12.04 LTS. It is not possible to download a standard 64-bit Eclipse or to run a 32-bit VM. Are ...
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0answers
170 views

Wipe HDD after X amount of BitLocker attempts?

I am looking for a solution to secure Windows 8 Pro (x86) tablets since Remote Wipe is only available for Windows RT (ARM) devices. I currently have Bitlocker + PIN setup on the device and was ...
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2answers
546 views

Is it possible to Run a VM Simulating Power Architecture on a Machine with x86 Architecture?

Is it possible to bring up a virtual machine which simulates IBM Power guest architecture (Big Endian) on a machine running x86 host architecture (Little Endian)? Obviously the VM would have to ...
3
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1answer
445 views

Intel assembler/architecture documentation?

Would anyone know where the best "official" Intel documentation regarding the low level architecture/assembler internals would be? How the ESP works, the various registers- fetching values from RAM ...
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3answers
130 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 ...
5
votes
1answer
2k views

How to port Firefox OS to ordinary computers?

I loved the B2G project. But unfortunately it only works with smartphones (ARM architecture). Although, some people are hacking its code in order to port it to other platforms (it's the case in this ...
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5answers
3k views

Why did Intel drop the Itanium? [closed]

I was reading up on the history of the computer and I came along the IA-64 (Itanium) processors. They sounded really interesting and I was confused as to why Intel would decide to drop them. The ...
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1answer
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 ...
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votes
1answer
812 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 ...
0
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1answer
290 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 ...
3
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2answers
822 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?
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1answer
1k views

Integration x86 x64 Windows 8 RTM

how to integrate the windows 8 x86 and x64 RTM iso so that it contains all the editions eg Windows 8 x64 Enterprise Windows 8 x86 Enterprise Windows 8 x64 Professional Windows 8 x86 Professional
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3answers
1k views

Direct Memory Access(DMA) controllers for intel

Does intel in it's current generation of processors provide any Direct Memory Access(DMA) controllers? If yes is it built into the chip? http://en.wikipedia.org/wiki/Direct_memory_access
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2answers
973 views

I keep getting the BSOD. how do I trace what application / driver is causing it?

I get a APC_INDEX_MISMATCH error and it says it is dumping memory. Where is the dump sent? More importantly how do i scan it to find out who is causing the BSOD?