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Questions tagged [pci]

PCI (Peripheral Component Interconnect) is an element for connecting peripherals to computers based on the IBM PC architecture.

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BIOS device name property of the PCIe card

If I open network card details under DeviceManger, I could see the "BIOS device name" property along with other many card properties. I would like to understand that who/how fill the "...
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32-bit PCI riser cards: different types? [closed]

I'm duplicating an existing compact PC; I'd love to replace it with modern components, but for various reasons I can't. I'm having a tough time finding the correct 32-bit PCI right-angle riser card. I ...
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40 views

I/O range out of bounds: this device cannot find enough free resources (error code 12)

We have two types of machines (old and new) very similar : same motherboard, same Windows 7 OS, same capacity, ... with a slight difference in the BIOS version. The driver and the PCI device work well ...
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Intel i9 11600K has 20 lanes, how does this impact performance?

I'd like to know if, when a CPU only supports PCI 4 @ 20 lanes, and I have: PCI video card like the NVIDIA RTX 2070 TWO M.2 SSD's I guess at 4X each? will the SSD's bottle neck? My guess is that if ...
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Manjaro no irq handler for vector

When booting and at shutdown my relatively fresh install of Manjaro (uname -r: 5.9.16-1-MANJARO) on my HP Spectre x360 Convertible 13-ac0XX I get a an error message: [ +0,000425] __common_interrupt: ...
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What is the cheapest option to connect a VGA monitor to a PC whose VGA port is broken?

I have got an Asus A7V266-MX motherboard, AMD PC desktop. It was in running condition but recently the display stopped coming up. Some investigation (including from local repair shop) confirmed that &...
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81 views

LTE connection for Desktop

I have been searching in Internet about how to connect to a LTE connection. I want to use cellular LTE internet in my desktop. There is no WWAN card for desktop also. So my question is how to use LTE ...
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SR-IOV: packets to a VF attached in a Virtual Machine

In SR-IOV enabled NICs we can create some number of virtual functions (VF), and attach those to virtual machine. This is my very rough understanding, so I'm sure I:m missing details. Does it mean that ...
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Driver problems with linux/config.h

I have a problem installing a driver on Ubuntu 20.10. For a small project I wanted to use a SATA PCI Card for additional SATA slots (LogiLink PC0005A SATA PCI Card). However, I can´t use this module, ...
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37 views

How to identify the pcie slot?

When booting from a usb stick i got the error message from pcieport: Slot (92): Power fault How can I check which Hardware component or which pcieport this is on my mainboard? I am using Windows 10
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Can a Mini PCIE card fit into a regular PCIE x1 slot?

A Wi-Fi card has specified that it has Mini PCIE connector. Will this card fit into the motherboard's regular PCIE X1 slot?
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SATA III supported controller, but ports are SATA II

I have a laptop, HP 15-d103tx, which was released around 2014. I have SATA III supported hard disk and SSD, but I noticed that they are working in SATA II mode. Then I tried to find out the supported ...
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1answer
123 views

Laptop mini PCI-E wifi module to PCI 2.2 slot

I'm thinking of sorta rebuilding my first PC I had in 2005 which had a Celeron processor. The P4i45GV motherboard only have three PCI 2.2 slots, an AGP slot and an AMR slot (which I don't know what it ...
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550 views

Pci expansion card does not seem to fit exactly on the slot. Is this how should it really look like? [duplicate]

I bought a PCI expansion card for my old desktop to increase the number of usb ports. When I tried to install it, I was able to put it in but for it does not fill the whole slot. Its like missing half ...
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342 views

Nvme(Kingston A2000) stopts giving response

I installed new nvme in my Inspiron 15 5580. The laptop boots fine with my nvme but the problem is that sometimes it stops responding (not able to read anything). My laptop was pre installed with ...
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1answer
160 views

I'm unable to enumerate prefetchable endpoint devices behind a pci-e bridge

Here is my problem: I'm unable to get BAR addressing from prefetchable end-point devices behind a pci-e bridge. Can anyone help me about that? Here is what I did until now: 1- I'm able to get ...
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187 views

Did I brick my PNY GTX 1080ti oc 11g graphics card?

I'm here to ask if I messed up and burned my new 1080Ti xlr8 oc graphics card. I have a 500w PSU (ZALMAN500-HP). When I took out my old GTX 750Ti and plugged in my new GPU, my PC didn't work. The ...
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125 views

Will my PCIe Card fit into my PCI Case [closed]

I was recently planning on some things to get for a PC I was going to build, I finished my list and made sure everything was compatible, and then, I was going through a final check, and then at the ...
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My PCIe WiFi 6 card only works after I cut the power to the PC for ~> 20 seconds. What could be wrong?

On my desktop PC I have an issue where my Wifi PCIe card is not recognized at all when I boot the computer in the morning, after it was shut down the night before. It's a dual boot system and it's the ...
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1answer
4k views

Disable dedicated GPU device in GRUB

I need some help. :( My laptop has Ryzen 5 2500u with Vega 8 graphics card and a dedicated gpu RX560x. The OS is Linux Mint Tricia Cinnamon based on Ubuntu 18.04 LTS. My dedicated gpu is momentarily ...
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677 views

VFIO cannot reset device no reset mechanism found

I'm trying to passthrough my USB controller to macOS (in QEMU). My USB controller is in this IOMMU group: IOMMU Group 4: 00:14.0 USB controller [0c03]: Intel Corporation 100 Series/C230 Series ...
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226 views

Maximum Data transmission & PCI slot in GIGABYTE Z390 UD

I am using a frame grabber installed on a GIGABYTE Z390 UD. For maximum "100%" data transmission the frame grabber documentation recommends installing it in an X8 PCIe slot with base specification 2....
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223 views

Maximum link width (link capability) of a pcie card (Intel X710 x8) doesn't show properly

Maximum link width (link capability) of a pcie card (Intel X710 x8) doesn't show properly on X2 or x4 pcie slot. In datasheet of Intel X710 it is mentioned that "The X710/XXV710/XL710 supports a ...
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422 views

How to predict the pciSlotNumber assigned to a device by Vmware

I'm trying to create a VM under VMware through the command-line. According to my current understanding of the subject, one step is to create a centos-mirror.vmx file containing the configuration of ...
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2k views

Unable to Bind NIC to Driver VFIO-PCI

Context I'm attempting to run the packet generator MoonGen, however, it requires me to bind a NIC to the VFIO-PCI driver. Therefore, I must first unbind a NIC from its current driver, then rebind it ...
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956 views

PCIe Endpoint to Endpoint Communication

This is just a high level question about communicating with PCIe devices. Per my understanding it should be possible to do direct endpoint to endpoint communication with no Root Port middle man work ...
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91 views

How can I add hard drive to Qemu?

I am writing an OS and booting it from floppy. I wrote tool to look for all PCI devices but there is no hard drive. How can I add it to see it in the list of PCI devices? I tried to run it like qemu-...
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324 views

Where is hardware firmware for individual components in a laptop stored?

Where is the firmware for a device such as a mouse or trackpad integrated into a laptop? And how can I access it using Linux. So far I have tried querying the PIC bus using: lspci | grep rom ...
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217 views

Cannot start VirtualBox VM with PCI device attached

VirtualBox version: 6.0.4 Extension pack version: 6.0.4 Host OS: Windows 10 I have installed VirtualBox extension pack: and attached PCI device (Nvidia GPU) to my virtual machine w/ VBoxManage tool: ...
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466 views

How to convert PCI express to PCI-x

I have a part that outputs PCI-x. My mother board only takes PCI-express. I was wondering if there is a way to convert PCI express to PCI-X?
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200 views

Why does reading PCI device config file freezes the system?

I am running Arch Linux, on a Gigabyte Aero 15x v8, and I am confronted to a particularly arduous problem. To be noted that I am also using bumblebee and bbswitch configured to work with nvidia ...
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218 views

pci no space error

I have a Xilinx FPGA pcie card (vcu1525) and programmed it to have 2 BAR which defines 64KB and 4MB memory spaces. 02:00.0 Serial controller: Xilinx Corporation Device 903f (prog-if 01 [16450]) ...
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1answer
73 views

Arch Linux stuck at “Loading version 240” after modifying configs

I'm trying to get GPU passthrough to work on a VM. I've been following this video https://www.youtube.com/watch?v=6FI31QDtyy4. The differences between what I did and what he did in the video was ...
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394 views

Is it normal that the LEDs of the network adapter are off when the computer is off and you want to power it with WakeOnLan?

I'm trying to configure Wake-On-Lan on a computer. Here is what I've done: enabled it in BIOS (Power on by PME: Allows you to turn on the system through a PCI/PCIE/onboard LAN device). Note: I'm ...
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106 views

Could I “plug and play” a POST card?

I have just one PCI POST card and a number of PC. I want to inspect booting process of each, in a manner, that if one is successfully booted (code 00 or code FF typically) - i need to eject POST card, ...
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9k views

How to understand lspci tree format?

I use a Dell G3 3579 to run the lspci -tvv command. Here is the output: -[0000:00]-+-00.0 Intel Corporation 8th Gen Core Processor Host Bridge/DRAM Registers +-01.0-[01]----00.0 ...
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932 views

Docked Laptop superslow wifi connection when closed

I have a Lenovo T440p, which when working at home I dock onto a docking station. There, I have an additional screen connected, so I want to close the laptop when working with the large screen. ...
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335 views

What is the name of that metal stripe, which holds PCI cards?

What is the name of that metal stripe, which holds PCI cards?
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1answer
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Isolate single device into separate IOMMU group for PCI passthrough?

I have below IOMMU groups and devices. $ for a in /sys/kernel/iommu_groups/*; do find $a -type l; done | sort --version-sort /sys/kernel/iommu_groups/0/devices/0000:00:00.0 /sys/kernel/iommu_groups/1/...
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1answer
2k views

How can I tell whether an old graphics card is PCIe or AGP?

I've been given an old(ish) graphics card, with the make and model not listed clearly, or at all, on the card. Or perhaps they are, but are covered by the heatsink. Assume also that I don't have ...
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700 views

Can PCI-e power limit be lower than 75W and will it affect RX460 performance?

I bought an MSI RX 460 4GB for my Lenovo H50 with 280W PSU. GPU-Z shows "board power limit" as 48W. I test and see GPU usage rise to 100% but power draw seems to stay at 48-50W. What does that mean? ...
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How to access ISA device in Windows 10?

I have an ISA device which I want to use under Windows 10. It was working in Windows XP but now the customer wants to upgrade their hardware and Windows. I found this motherboard (MS-98A9) which ...
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57 views

Are these graphics cards (PCI-E vs. PCI Express) interchangeable?

I'm not sure if I'm on the right Stack Exchange site but I figured I'd try here. I'm fairly new to PC building so I need a bit of help. The graphics card in my PCI is a GeForce GTX 760 which has a ...
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2answers
132 views

Why do PCI devices share the same address space?

When a computer starts up, the BIOS or operating system probes each PCI device to ask how much address space it wants. Then, it allocates the appropriate space and tells each PCI device where its ...
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5k views

How can I connect PCI card with laptop

I am working on image-based herbicide applicator. I used LabVIEW software for image processing and PCI card was used and connected CPU. In lab it is working well but, when I was working in the field ...
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2answers
266 views

Bought a DVB PCI Card; my motherboard only has PCI 1x slot. Can the card fit in that slot?

Without thinking ahead I bought this TBS8922 DVB card: After that I found that my motherboard has PCI 1x slots like below. Also, their end is opened. Can above card plug into this socket?
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5k views

How does onboard Wi-Fi get presented to the OS? Desktop Motherboard

I'm looking at motherboards and I'm debating on spending more for one with built-in Wi-Fi. I was wondering how this is presented to the OS. I'd like to use PCI pass-through, so I'm wondering if it ...
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1answer
156 views

Is it possible to install two video cards (PCI Express + PCI 32 bits) in Lenovo M58 SFF 7360 (Windows 7)?

I have a Lenovo M58 SFF 7360 with Windows 7. This is a E5200 Dual Core. I have installed a NVIDIA QUADRO NVS290 (PCI Express-x1) which works fine, but the internal video card can not work together ...
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95 views

Why doesn't this USB-C PCI card work?

I'm trying to install a USB-C device with little success. Output device requires: ≤ 8 W 4.75-5.25V, 1.5A The card is supposed to conform to USB-C spec. The device powers on, but continually ...
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3k views

How VPD is accessed via SMBus/I2C in a pci device?

Similar to what IPMI is querying, how will I access VPD of every device in a target server via SMBus/I2C? Do I need a driver for this or the i2c-dev module is enough? How to verify which is which on a ...

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