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

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PCI-USB card not working in BIOS

I have got a PCI USB card for the mouse and keyboard. It works in Windows with generic drivers, but does not in BIOS. I have a P43-DS3L Gigabyte motherboard. On-board USB is not working. It's ...
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Can a device damage the slot it is installed in?

I have a PC with a Gigabyte GA-945G-S3 rev 1.0 motherboard (Intel 945G+ ICH7 chipset). I got the PC from acquaintance and found out that integrated audio was damaged (noisy, distorted sound). Then I ...
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how to interpret /sys/bus/pci/devices/<device id>/resource<number>

i'm trying to figure out how to interpret the the resource and resource<number> files under PCI bus. Let's look at a specific example. Here is what I get when I run lspci -tvvv -[0000:00]-+-00....
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52 views

How are PCI devices accessed?

I have 2 questions related to PCI bus: How device drivers access devices on PCI bus? Is it enough to write to memory region allocated for device (mov memory_space_allocated_for_dev, something, if ...
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35 views

Driver for ZEON2 94V-0 PCI card?

I need to use a PCI card with a parallel port on it with my PC but I am not able to find a driver for it, so, how can I use this card? The only information I can read from the card is ZEON2 94V-0 on ...
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22 views

given an on-borad port PCI address, how do I know to which NIC it belongs?

Assume we have a server with 2 on-board NICs (no other NIC was inserted to any of the free expansion slots). Given a PCI address of any of the ports of the on-board NICs above, is there a way to know ...
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16 views

PCIE GFX Card along with PCI GFX Card

I have a complicated question with a restricted budget (Like 0$). I have a PC with a GT220 graphics card which which has a limitation of being able to use only two of it's out of three. Now I need to ...
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29 views

How can I remove the option to eject PCI device from the Windows 10 tray icon?

My ASUS Xonar Essence STX soundcard keeps showing up under the safely remove hardware tray icon in Windows 10 x64. If I 'eject' the device my soundcard stops working. The device that Windows 10 ...
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84 views

Is PCI / PCI-e via USB possible?

Is there a way to interface with PCI/PCI-e hardware, externally; via USB? I want to attach a PCI-e device to my laptop/notebook. FireWire, Thunderbolt, or similar would be equally suitable.
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27 views

Can the 'pciconf' command be used to identify makes and models?

Specifically, I wish to identify which model of Intel WiFi NIC is installed on my FreeBSD machine in the absence of a functioning driver. Can pciconf (equivalently, Linux's lspci) be used to easily ...
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56 views

How is the device determined in PCI enumeration? (bus/device/function)

I am confused about PCI Bus/Device/Function enumeration. Looking at the Wikipedia page for PCI configuration, I see that for a given bus, the master will request vendor ID and device ID for all ...
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346 views

How is the device determined in PCI enumeration? (bus/device/function)

I am confused about PCI Bus/Device/Function enumeration. Looking at the Wikipedia page for PCI configuration, I see that for a given bus, the master will request vendor ID and device ID for all ...
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21 views

How can I reserve hotplug bridge's memory only for prefetchable memory using the Linux kernel command line?

I have been trying to reserve more bridge memory for PCI hot plug devices using the kernel command line option 'pci=hpmemsize=256M,realloc'. This ends up causing an issue for non-prefetchable memory ...
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70 views

ACPI doesn`t work properly?

My PC with next parameters H/W path Device Class Description =================================================== system P5K PRO (To Be Filled By O.E....
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Confused about PCI slots [closed]

In a few months time, I am looking to buy a gaming PC, a proper one, for the first time (I have previously had a laptop). I have seen a pc with an MSI 970A-G43 motherboard. I was a bit stuck when it ...
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88 views

Have I just broke my PCI-E slot?

Struggled taking out the GPU, eventually managed and this happened. I literally just received it today. Is it now broken?
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642 views

Fedora 23 lost WiFi

I upgraded from Fedora 22 (kernel 4.0) to Fedora 23 (kernel 4.2) and now my rtl8192ce WiFi PCI card is not working. lspc does show the card, but ifconfig only shows the devices: enp2s0, lo and ...
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78 views

Using integrated GPU to render Linux desktop instead of my dedicated GPU

I'm trying to set my CPU integrated GPU as the default one for rendering. I also have a dedicated R9 280. I'm doing this to pci passthrough the R9 to my windows VM to play games. Looks like you must ...
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How can I rebind a pci device to a loaded linux kernel driver?

I have two video cards, both from the same manufacturer (nvidia). I'm using pci_stub to avoid binding of my secondary card to the nvidia kernel driver (in order to use it for pci-passthrough with qemu....
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124 views

Which PCI slots belong to which CPUs

I am running a quad-socket Intel Xeon E7-v2 system. I need to check to which CPUs chosen PCI devices are connected. Is there a way to do this on linux using e.g., lcpci/dmidecode?
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42 views

NIC on PCI bus only works when attached to POE supplying network

This is a strange one.... I have a PC with both an on-board NIC and an additional NIC in a PCI slot. The NIC in the PCI slot will only create a link when attached to a network which supplies POE. ...
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275 views

Floppy Disk to ??? Controller

I have a motherboard which has: SATA IDE Internal USB headers I need to attach a floppy disk drive, but there is no onboard floppy disk controller. I've looked for the following: Internal USB ...
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279 views

how to get list of bus number associated with pci devices?

I'm trying to get a list of all the PCI associated buses on a Windows system. I know I can use wmic or devcon to get a list of all the devices, but how would I go about figuring their respective buses?...
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141 views

Serial communication vs Parallel Communication

While reading about PCIe and PCI I came across webpages detailing about the difference between Serial and Parallel communication. What I found out was one particular statement i.e. Some things ...
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90 views

How can I improve my wireless connection?

I recently built a machine running Ubuntu 14.04 using a TP-Link TL-WDN4800 PCI wireless network adapter. When I click on the wireless connection icon on the Ubuntu taskbar, it almost always tells me ...
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249 views

Drivers for VT6421A Controller Card

The hard disk controller on my motherboard went out, so I'm trying to install this VT6421A PCI controller card. Unfortunately, I've looked at a couple of posts on SuperUser and other forums, but I ...
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121 views

PCIe card and x8/x16 lanes

I have a card that says it is PCIe x8 card (which means 8 lanes, if I'm not mistaken). Can it be physically plugged in a slot x16? Will it work, assuming drivers/OS support ? The motherboard is ASUS ...
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CPU Intel Core i7-4790 PCI support

I am planning to buy Intel Core i7-4790 and use it in combination with Asus Z97-AR motherboard. The motherboard has 2 PCI slots, will these be still working with the CPU? The specs on Intel web site ...
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30 views

How do I connect a IDE hard disk to a machine that only support SATA

Given that IDE to USB2 converter is not allowed to be use, how do one connect a IDE hard disk to a machine that only support SATA hard disks and have PCI slots only and yet achieve the highest ...
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876 views

What is the maximum length of a PCI-Express Flexible Extension Cable?

What is the maximum length a PCI-Express bus can be extended with a PCI-Express Flexible Extension Cable like this (36 Pin):
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765 views

udev pci device rule is not working

I have a PCI device which have an own drivers (not integrated in Linux kernel). I've collected device information using udevadm. udevadm info -a -p /sys/devices/pci0000:00/0000:00:1e.0/0000:0d:02.0 ...
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144 views

Access PCIe card over network / PCIe virtualization

I need to access a PCIe card over LAN. I am wondering if there is an existing virtualization solution for this or if I need to create my own solution. The scenario is as follows: I need to use an ...
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254 views

How was the world before plug-and-play? [closed]

Unfortunately, I haven't really existed for long enough to know how computers functioned before PnP and the PCI stuff existed. According to various googles, hardware had to be manually physically "...
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366 views

Do all PCI slots support dual PCI riser cards?

I could use an extra PCI slot since my motherboard only has one. Many online shops offer "dual PCI riser cards" such as this one: Those riser cards are usually meant for compact cases like rack ...
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199 views

PCI Memory Read Command

I'm trying to understand PCI system architecture. As I know there are several PCI commands like i/o read-write, memory read-write, configuration read-write etc. If CPU communicates peripherals with ...
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451 views

No drivers for PCI-to-Parallel card due to invalid PID

I have a Moschip-based PCI to dual Parallel card, based on the Moschip MCS9815CV chip. This card looks exactly like this one and also same chip as the Rosewill RC-304. The back of the card has a ...
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I have a 3.3 Volt PCI ethernet card working on a 5 Volt PCI slot. How is it possible?

This is the design for PCI slots: As you can see, there are 32/64 bits and 3.3/5 Volts. For what I know: 32 bits PCI cards can work in 64 bits slots of the same voltage. 64 bits PCI cards ...
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Is PCIe speed compatible with that of PCI

If I go in for a PCIe to PCI adaptor, will I be constrained by speed. PCIe provides a faster interface than PCI. How can I make them speed compatible
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Asus M5A97 LE R2.0 failure to post with peculiar PCI card

We have a couple of peculiar PCI cards being used in a circ. 2007 proprietary phone/radio communications logging appliance(WindowsXP PC). Both the card connectors and the old motherboard sockets ...
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86 views

How can I fix “lscfg is not supported on the Unknown” for Ubuntu Linux?

I wanted to get information about the physical location of my PCI cards and found that lscfg for AIX looked like what I needed. lsvpd-1.7.4 that includes lscfg does exist for Linux. As I am developing ...
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282 views

What interface do I need for my graphics card?

The motherboard died on a gaming laptop belonging to a friend of mine, and I am rebuilding it as a desktop as a favor for him. According to the specs from alienware's website and several ...
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555 views

Unknown PCI device in Windows 7 [duplicate]

Does anyone know what device could this be? I got all drivers for my computer from here
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990 views

Which devices are (0F18, 0F12, 00BD) these IDs for? All share the same Vendor ID (8086), i.e. Intel

It is a Lenovo G50-70 Notebook PC. I reinstalled Windows 8.1 on it. The official website does not provide all the necessary drivers required for the Device Manager to calm down. Yellows still persist. ...
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6k views

pci simple communication controller driver for windows 7

I have a HP laserJet P1102. When I want to install its driver it seems that it need to pci simple communication controller be installed. How to install that pci simple communication controller for my ...
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Can a hot PCI adapter slow down the computer?

Using the "watch sensors" command in Fedora, I see that while the temperature of the CPU's are normal (70 degrees at most), the PCI easily exceeds 90 degrees (celcius, of course.) Once the PCI gets ...
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Why use a PCI System Timer?

I have heard it said that servers serving VOIP services such as Asterisk should use a PCI System Timer. Why? Nowhere is this ever explained, and googling reveals no clear use-cases for the device. ...
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Prerequisition to add a wireless PCI card

Besides an extra unused PCI slot, are there any other requirements need to be met to install a wireless PCI card?
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PCI configuration method error (Linux Kernel)

(I'm not sure if here is the best place for that question, so I will be pleased if anyone suggests me a more proper forum for that.) I'm trying to install Ubuntu 12.04.4 in a netbook (from an usb), ...
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Does old pci devices harm my new computer?

I have an old device that can be used also as a recorder (pci device with an output of 480p) called "KWorld Plus TV Analog Lite PCI" and has these requirements: Intel Pentium IV 2.0 GHz or ...
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PCI BAR memory addresses

Quick question, I was reading the OSDev Wiki page regarding PCI and it says the following - Base address Registers (or BARs) can be used to hold memory addresses used by the device, or offsets for ...