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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How to know PCIe switch type/model on the motherboard?

I have a X570 UD motherboard. When running lspci -ttvv it seems like that there is a switch that connect the PCIe slots on the motherboard. How can I know the type/number of this PCIe switch ? -01.2-[...
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Force ICH7-M AHCI mode works in Linux with grub2 and setpci, not in Windows

This is my first post, forgive me if I am in the wrong place or if my post is considered inappropriate. I have borrowed the idea from numerous Mac user forums, after I added a SSD disk to my Sony VAIO ...
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My tuner is not recognized in Debian

Good friends, I have an Avermedia tuner pci card and I would like to use it in Linux (Debian) but it seems that it needs drivers and I can't find a way to make it work. The tuner could be from the ...
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Openstack Nova assigning an already used PCI?

I got 3 Nodes(1 Control node, 2 Compute nodes) Both compute nodes got 2 GPUs installed on two separate PCIe slots. All required passthrough configs are done. Whitelist Blacklist Grub settings (...
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D4 error motherboard code "PCI resource allocation error. Out of Resources" with Nvidia M40 24 GB

I try to put an Nvidia M40 with 24 GB of ram into my PC and it get that error: ... PCI resource allocation error. Out of Resources ... On the moderboard I can see D4. My components: Motherboard: ...
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How to connect a virtual GPU in QEMU?

So, a QEMU guest machine has some PCI slots by default, I have no idea how many. But regardless, we can attach virtual devices to those slots. As far as I understand, the PCI devices can be fetched ...
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What PCI Bus ID is 0x1?

I need to find what is connected at Bus id 0x1. On Linux doing lspci I got the bus ids in a different format such as 00:01.0. I guess these are same, just x is used instead of ':' in the first ...
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Assigning a missing device by udev

Given that I have a PCI parallel port that isn't recognized in some way, I was considering if writing a udev rule for it could make my day. I found some old note discouraging from doing it: Writing ...
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How to get integrated graphics card (11th gen) information on debian?

system information: Linux DEB-NUC11PAH-G6PA119006KK 5.10.0-0.bpo.8-amd64 #1 SMP Debian 5.10.46-4~bpo10+1 (2021-08-07) x86_64 GNU/Linux CPU: 11th Gen Intel(R) Core(TM) i5-1135G7 @ 2.40GHz I was trying ...
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Extract pilot from windows XP and copy it to windows 10

I have an advantech PCI1762S card on a windows XP computer and I'm actually trying to migrate to a windows 10 computer. I need a specific driver version for the PCI1762S that is not available on ...
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Unable to detach PCI device from running virtual machine ("Device is already in the process of unplug")

I'm forwarding a host USB hub using this virsh config: <hostdev mode='subsystem' type='pci' managed='yes'> <source> <address domain='0x0000' bus='0x13' slot='0x00' function='0x3'/&...
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PCI Express not detecting graphic card

I have an old dell T1650. Everything was working fine until few days ago. I have a graphic card with dms-59 that split into 2 vga. for many year, everything has just worked fine. Few days ago, it ...
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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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