Questions tagged [x86]
In computing, x86 is the generic name given to the family (architecture) processors based on Intel 8086 by Intel Corporation.
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How does a modern x86 CPU access the BIOS ROM
I know that modern x86 chips start-up in 32-bit mode and begin executing code at 0xFFFFFFF0 (the last 16 bytes of a 32-bit address space). Usually, the contents of the BIOS firmware are memory-mapped ...
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Emulate Raspberry Pi architecture on a personal computer
Is there a way to create a virtual ARM architecture machine so that I could create Raspberry Pi images on my PC?
For instance, I would like to create an Ubuntu Server 17.04 image that I could burn to ...
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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 ...
user471845
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are page tables under utilized in x86 systems
I was recently looking at the page table architecture in x86 and x86-32 machines.
x86-32 paging architecture:
x86-64 paging architecture:
In x86 for example, we use 10 bits as offset into the page ...
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Why does old 16-bit Windows programs consume 100% of CPU in a x86 computer?
Some days ago, I felt a bit nostalgic and grabbed the good old Microsoft Entertainment Pack from some site. The package has some cool games that were designed for Windows 3.1 and they are 16-bit ...
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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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Can different active cores of a desktop Intel x86 CPU run at different frequencies at the same time?
According to FAQ for Intel® Turbo Boost Technology, the turbo frequency is the same for all active cores. Intel's 8th and 9th Gen Datasheet, Volume 1 (PDF) also mentions that:
All active processor IA ...
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Wine-5.13: 0050:fixme:explorer:webbrowser_QueryInterface (...) interface not supported
When running Discord with Wine, the following errors occur:
00e0:fixme:ntdll:NtQueryInformationToken QueryInformationToken( ..., TokenElevationType, ...) semi-stub
00e0:fixme:ieframe:DllGetClassObject ...
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Does VMX Root and VMX Non-root Ring 0 enjoy same hardware privilege?
I have found following figure from a paper (Intel SGX Explained).
According to this, VMX Root Ring 0 hypervisor enjoy more privilege than VMX Non-root Ring 0 OS Kernel. My question is: other than VMX-...
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What is stored in Inte's spi flash? Is it a BOIS?
We have Intel's board (i7) with Linux, and we need to save some data between power off/on.
I thought of using the spi flash for this (there is also eeprom, but for some reason it is read-only!).
But ...
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New versions of TeamSpeak on ARM (Raspberry Pi) using QEMU user mode crash
With a help of a friend we have successfully run TeamSpeak server which has no source code and no binary for armhf on raspberry pi 3 using QEMU in user mode. We followed partially this guide:
https://...
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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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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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Memory segmentation in 8086 microprocessor
I have just started reading a book about 8086 microprocessor assembly and the inner parts of a computer. In the chapter about memory, I read that in order to bridge the gap between the 20 bit address ...
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Is there a 32-bit ARM version of Windows that can run x86 applications?
Windows 10 can run on 64-bit ARM CPUs. The operating system's %PROCESSOR_ARCHITECTURE% environment variable shows ARM64 - meaning that its a 64-bit operating system running on ARM. This operating ...
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Coreinfo - difference between the PREFETCHW and 3DNOW
After reading the about 3DNOW instruction set extension, I found that prefetchw is one of 3DNOW's instructions.
I wanted to know if my CPU supports the instruction PREFETCHW, I ran coreinfo and got ...
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ts_calibrate not found android X86
After following a few guides (Androidx86 touch screen not working. I have no idea what to do) I am able to create the folder but no calibration. This is the kitkat version. Other version all have the ...
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Extract specific arch and version of apk from play store
I would like to download an apk from the playstore. I own the app, and am enrolled in the beta program for it. The problem is, I need an x86 beta version of the app. Searching around is hard, given ...
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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 ...
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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, ...
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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 ...
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How are the CPU-modes applied? (x86)
The normal operating mode of the CPU is the Protected Mode.
It still starts in Real-mode for backwards compatibility reasons.
Real mode, also called real address mode, is an operating mode of all ...
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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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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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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 '...
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Windows 7 doesn't install updates
I install all updates and the last one is KB4093118. When I check it to select it for installation, the windows shutdown changes like into shutdown to install updates. These are not really linked that ...
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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. ...
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Can you run Kali Linux 32bit debian on a lenovo thinkpad?
Can you run Kali Linux 32bit Debian on a Lenovo ThinkPad
Is it possible to run the full Kali Linux on a Lenovo Thinkpad from 2017
If so then I would certainly appreciate it by you explaining how to ...
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