Questions tagged [x86]
In computing, x86 is the generic name given to the family (architecture) processors based on Intel 8086 by Intel Corporation.
144
questions
0
votes
0
answers
47
views
C/C++ headers cannot be found during pip install
I'm trying to install a Python package (PySedSim) on Windows 11 with Pip. The instructions say to run "pip install .", which mostly works but I get the error "The C/C++ header for ...
- 1
0
votes
1
answer
115
views
How do I fix the drivers not working on my HP Stream 7?
A HP Stream 7 needed reinstalling Windows 10.
After the successful install, I noticed that several drivers are missing:
Audio
Wi-Fi
Bluetooth
Touchscreen
Battery
G-Sensors (Device Orientation)
Micro-...
- 176
-1
votes
1
answer
538
views
What computers can read MS-DOS hard drives?
I have a G|Raid External Hard drive that is formatted as MS-DOS. I verified that by checking the file format on a Mac (it says MS-DOS). I know Macs can read APFS, but I tried plugging it into a ...
0
votes
1
answer
61
views
Understanding count of logical processing units in Qualcomm SOC
I have Qualcomm RB5 board.
Its SOC spec sheet says following:
CPU: Kryo 585 CPU, 64-bit, up to 2.84 GHz
ISP: Qualcomm Spectra 480 ISP with Dual 14-bit image signal processing
GPU Adreno 650 GPU w/ ...
- 251
0
votes
1
answer
808
views
How to install Farming Simulator 22 on Raspi with Linux?
There is a problem with the processor architecture... I guess that Farming Simulator 22 has x86-commands but the raspi hasn't.
Is there any way to make farming simulator work on Linux?
I have a CD-Rom,...
- 316
1
vote
2
answers
638
views
Where are Model-Specific Registers (MSRs) physically located?
Specifically talking about Intel MSRs, where are they physically located in the computer ? Are they inside the CPU just like other general purpose registers? Are they mapped to RAM ?
To read/write an ...
- 207
2
votes
0
answers
180
views
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 ...
0
votes
0
answers
392
views
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 ...
- 101
2
votes
2
answers
10k
views
Can I emulate/virtualize Windows x86 in Apple ARM CPUs?
I have a Windows software that only runs in Windows x86 and my current computer has an Apple ARM M1 CPU.
I can virtualize Windows 11 using ARM image in Parallels however, the software crashes.
Is ...
- 141
0
votes
0
answers
165
views
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
1
vote
0
answers
360
views
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 ...
- 123
1
vote
1
answer
715
views
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 ...
- 11
0
votes
2
answers
2k
views
How to burn a boot loader onto a USB drive (boot-loader as a .bin)
I have created a very small boot loader in assembly and am wanting to test it on my physical hardware and so I am using a USB drive to do this. I have converted the assembly to machine code and to a ....
- 3
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
199
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
0
votes
0
answers
3k
views
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 ...
- 141
1
vote
3
answers
923
views
Why some supercomputers use ARM processors?
Why some supercomputers use ARM cpus? For example the world's most powerful supercomputer: Fugaku. It uses ARM cpus. x86 cpus can process more complex stuff right?
0
votes
1
answer
479
views
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 ...
0
votes
0
answers
410
views
Old Intel Pentium PC: am I an i586? Does Gentoo provide i586 packages? What else am I compatible with? [duplicate]
Greetings Super Users!
I've recently commenced revitalizing a very old PC. She's running an Intel Pentium, x86_64. I thought I'd give Gentoo a go because I've found it very appealing and as a Bedrock ...
- 113
0
votes
1
answer
2k
views
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 ...
2
votes
2
answers
580
views
Why 32-bit Windows can maximum have 16TB Page File?
According to Microsoft, the page file sizes of 64-bit and 32-bit Windows are 256TB and 16TB respectively.
In 64-bit, the virtual address looks like this:
With 4 levels of 9-bit memory mapping fields ...
0
votes
0
answers
321
views
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 ...
0
votes
1
answer
219
views
The relationship between POST and BIOS after power-on
During a discussion, I was told that the POST was part of the BIOS, and so, it is the responsibility of the BIOS to set up everything (self tests and all)
I was reading the intel manual... http://...
- 123
43
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 ...
- 523
-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
99
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
2
votes
0
answers
268
views
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 ...
- 121
1
vote
1
answer
214
views
Writing MBR bootstrap code as a UEFI bootloader
I'm really interested in retrocomputing, and as I was looking for a so-called "pure" version of AT&T UNIX v7 I came across this port to the x86 architecture called v7/x86. It seemed interesting, ...
user962725
-2
votes
2
answers
1k
views
Is it possible to get the x86 assembly code for the entire Linux kernel? [closed]
I want to see the x86-assembly of the Linux kernel and want to edit the kernel at assembly level. Is it possible to do so?
If yes please help me to get the x86-assembly of the entire Linux kernel.
9
votes
2
answers
3k
views
Why do VirtualBox guest kernels run in ring 1 instead of ring 3?
When VirtualBox runs on an x86 platform, according to the documentation:
When hardware virtualization (i.e. VT-x or AMD-V) is enabled , the hypervisor (i.e. VirtualBox itself) runs in VMX root mode (...
- 311
-4
votes
1
answer
1k
views
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 ...
- 1
4
votes
1
answer
1k
views
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 ...
- 141
1
vote
0
answers
293
views
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-...
1
vote
1
answer
514
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
1
vote
0
answers
184
views
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 ...
- 281
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
2
answers
2k
views
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 ...
- 1,783
0
votes
1
answer
473
views
Are VIA x86 CPU's affected by Meltdown and Spectre?
Every article and website I've seen, including the official Meltdown research page only talk about Intel, AMD, ARM, and even a couple articles about PowerPC chips being affected by the Meltdown and ...
- 727
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
3
votes
1
answer
1k
views
On Windows (x86), how is the PFN database indexed?
Windows Internals has a section on virtual memory. I understand that the PFN fields in L4 entries, PDPEs, and PDEs refer to the base address of the next level tables, and that the PTE's PFN refers to ...
- 157
0
votes
1
answer
401
views
automatic conversion of endianness
I have two little endian system while transferring data between them it happens in network byte order i.e, big endian but still i receive data properly. Does it mean that, the compiler automatically ...
- 15
8
votes
2
answers
12k
views
Can Intel microcode updates be rolled back?
Let's say I apply (or have applied for me by an automatic update process) a microcode update which fixes, for example, a hyperthreading bug on my Skylake chip.
Are such updates irreversible, or can I ...
- 1,069
0
votes
0
answers
237
views
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
3
votes
0
answers
978
views
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 ...
- 716
7
votes
1
answer
20k
views
Can VirtualBox run operating systems designed for ARM processors? [duplicate]
For example, can I run Android, which is mostly run on ARM processors, run on VirtualBox on x86 Intel processors?
I am aware of Android x86, however, that is not a viable solution.
- 797
0
votes
1
answer
366
views
CentOS i686 virtualization
I am 100% newbie to unix, so my question is quite simple, although very important to me :-)
I need to install a software that runs on CentOS with i386 architecture.
Since I do not have CentOS on my ...
- 154
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
1
vote
1
answer
738
views
Why adding 4 "zero" bits (0000) to the end of the segment register address to get segment address in physical memory? [closed]
Why, do we have to find an address in memory in which there is 20 bits free space which have 16 bits for segment register and 4 "Zero" bits?
Like, if the CS register is 346AH, the code segment in ...
- 113
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