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

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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
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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 ...
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1answer
165 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 ...
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1answer
48 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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39 views

Solve Solaris 10 x86 boot problems

New installation of Solaris 10 u11 for x86 on mirrored ZFS boot disks. Failsafe option boots successfully and can mount rpool on /a. Installed OS option fails to boot; loads kernel but does not get ...
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32 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
37 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
477 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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1answer
528 views

How to check if a binary require sse4 or AVX on linux

On Linux /proc/cpuinfo allow to check all the CPU flags the machine have, in a simple way. Usually, If a program require a subset of an instruction set, the best way is to run it and check if it raise ...
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2answers
67 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 ...
3
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1answer
175 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
1k 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 ...
3
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1answer
115 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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3answers
2k 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
1k 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 ...
2
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1answer
325 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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4answers
10k views

How to delete “Program Files (x86)” folder after windows login

I need to delete Program Files (x86) folder. I can't delete it because some dll files cannot be deleted. One of the first of them is "common/.../dao360.dll" I am following this tutorial: ...
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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
607 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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0answers
186 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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222 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
12k 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 ...
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1answer
83 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
85 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
3k 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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139 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
258 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
321 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
123 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 ...
4
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1answer
1k 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
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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
2k 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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770 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 ...
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1answer
231 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
483 views

Is it possible to run 64-bit software on a 32-bit operating system?

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
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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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1answer
651 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
2
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2answers
513 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?
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1answer
482 views

What CPU is good for single-threaded performance?

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 ...
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1answer
625 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 ...
2
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1answer
348 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 ...
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0answers
122 views

Why Windows XP reports that I have all 10 USB ports available in my laptop, when the reality is I can only use half of them?

I've made an attempt recently to understand how USB works inside of my laptop. My laptop is X61T from Lenovo and it has 3 USB ports on the back of the chassis. Intel documentation states that the ...
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votes
1answer
2k views

Maximum number of digits in a float - 32-bit

I'm making a script that processes PI in PHP. I figured that there is a limit of 13 digits that PHP can process. I tried to find solutions on the internet, and was able to turn this number down, but ...
3
votes
1answer
833 views

How can I calculate the RAM Performance of two latches?

How do you calculate the relative performance of PC RAM? For example, what is the relative performance of the following: G.Skill Ripjaws Z 8 x 4GB Kit, DDR3-2133, CL9-11-10-28@1.65V G.Skill Ripjaws ...
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2answers
384 views

Understanding 8086 instruction encoding

I am trying to understand 8086 instruction encoding. Even though I found a general instruction and a bulky reference I still don't get it. Could you please explain me how the following "translations" ...
4
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2answers
4k views

A list of CPUIDs?

Is there a list somewhere of all known x86 CPU identifiers (such as „x86 Family 6 Model 15 Stepping 13”)?
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1answer
601 views

TrustedInstaller Preventing Deletion of Files/Folders

I'm looking to free up space on my computer by deleting some unnecessary files and folders I found in Program Files (x86). A problem I came across was a "Folder Access Denied" where it stated that ...
4
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3answers
7k views

How to install OpenWRT on an x86 computer with SATA hard drive

I've tried to install OpenWRT Backfire 10.03.1-rc6 x86_generic combined ext2 on my x86 PC, but the boot process stops while "waiting for root device /dev/sda2". Forums have advised me to build a ...
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2answers
1k 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.
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0answers
1k views

iLOM Boot device SUN X4170

I have configured the boot device to CD-ROM but whenever I reboot the server, it defaults to boot_device=default. Pressing F2/F8 during POST does not bring the BIOS setup. set boot_device=cdrom Set ...