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

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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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31 views

Get max IO performance from the storage system [closed]

I am asked to measure the max IO supported by a PCI flash based storage system using FIO utility. I have also been asked to configure/fine tune the system so that I get max storage performance. My ...
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48 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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72 views

PCI passthrough KVM

I am trying to passthrough my Tesla K40m GPU accelerator to a qemu-kvm virtual machine via the VFIO driver on Ubuntu 14.04.2. I downloaded all drivers and CUDA libraries, and I compiled all sample ...
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40 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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53 views

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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22 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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141 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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144 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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77 views

who and when to assign PCI/PCIe device BARs base address?

I'm looking for how kernel to do PCI/PCIe enumeration and BAR assigning. I thought that kernel will assign PCI base addresses of BAR in boot-up flow, but when I tried pci earlydump (before kernel ...
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40 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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71 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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132 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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65 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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188 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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513 views

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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19 views

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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155 views

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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37 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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164 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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390 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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582 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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5k 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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59 views

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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25 views

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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21 views

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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79 views

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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670 views

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 ...
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294 views

Why can't PCIe devices share lanes?

On older chip-sets it was not possible to have a dedicated graphics card in the PEG slot and have the Integrated Graphics Device (IGD) enabled at the same time. After looking online I found this was ...
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79 views

Does this modem qualify as a fax modem?

I found this old PCI modem in my stash. I was thinking about using it to set up a fax modem on my PC. The only question is, does this qualify as a fax modem? In other words, what signifies a fax ...
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87 views

Searching for a PCI standalone System [closed]

For a research project, I would like to have a PCI(e) card which is a full standalone system (own CPU, memory, sata bus, network interface, etc..) running Linux, but which can be deployed on another ...
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107 views

Are there any human-readable PCI slot management utilities for CentOS / Linux?

I'm looking for a method to determine, in a human-readable way, what kind of PCI device is in which slot on a computer running Linux or a derivative. lspci is somewhat cryptic and impenetrable, and ...
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Are all peripherals directly connected to system bus?

System bus has control, address and data buses, as we can see in this picture I think the front-side bus and memory bus is directly on the system bus, but what about the PCIExpress and PCI buses, ...
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287 views

PCI Express BAR memory mapping basic understanding

I am trying to understand how PCI Express works so i can write a windows driver that can read and write to a custom PCI Express device with no on-board memory. I understand that the Base Address ...
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Can I find out if PCI-e slot is 1.0, 2.0 or 3.0 in linux terminal?

I'm going to purchase a GPU which is for PCI-e 3.0. But since I don't know what PCI-e slot it is in my computer I need to find it out somehow. Is it possible to find it from the terminal in linux?
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1-2 controller cards in system: How to initialize onboard controller first?

I have an older mobo in my system whose Promise PDC20376 onboard controller sometimes causes minor problems when other external cards (bus is good ol' PCI) are present and the onboard one gets ...
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1answer
122 views

What is the PCI card that tells you what's wrong with the computer?

First, I'm not sure if this is the correct place, so apologies for that. Second, I want to know how to easily identify the hardware faults. I heard about this PCI card that when connected to the PC ...
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263 views

Custom PCI bracket with support, for custom PCB?

I am considering to put a custom PCB card that I made, into my computer. It won't go on any PCI connector, it plugs in on a USB connector on the motherboard, via a ribbon cable. I need thou to plug ...
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How to find out PCI devices in Debian without pciutils?

I tried to update a Server running Debian Etch but something went wrong while updating the kernel, so we decided to reinstall Debian via CD. Before doing that, I have to find out which drivers are ...
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Cannot setup PCI Passthrough for display adapter in VirtualBox

VirtualBox supports PCI Passthrough and I'm trying to attach my graphics card to the guest OS (host is Windows Server 2012 and guest is Windows 8.1 Professional - so they should both work with the ...
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3k views

How am I supposed to find where a PCI slot is in a laptop? [duplicate]

An old laptop I found (an an Acer Aspire 5100 series BL51) gives this error: Phoenix TrustedCore(tm) NB Copyright 1985-2005 Phoenix Technologies All Rights Reserved System BIOS Version: V2.00 ...
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Can i use a pci express 1.0 card in a pci express 2.0 x16 slot?

I am runing out of sata connections and need to expand using a pci card, however, i only have a pci express 2.0 slot available, will a pcie 1.0 (pci express 1.0) expansion card work in a pci express ...
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Will a PCI Universal card work in a PCI-E X16 slot?

I have a will a PCI Universal card but not slot. Will it work in a PCI-E X16 slot?
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363 views

PCI expansion card - for SATA III [closed]

I need some advice and help on how can I add SATA III hard drives to my old pc. Following is the PC specs Mobo: ASUS KV8-X CPU: AMD Athlon 64 3200+ 2.2 Ghz OS: Windows 7 Pro 32 bit The machine has a ...
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3answers
545 views

What kind of PCI card does this cable fit

I recently purchased a microscope camera which came with the camera body (an Olympus DP71) and this cable connector: I need a PCI card that fits it, but I have no idea what kind of connecter this ...
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PCI Express - Memory Addressing vs Physical Memory in Memory Read/Write Transactions

I'm trying to find the link between Memory BARs (Base Address Registers) and Physical Memory in a PCI Express Transactions. In my last question I started to understand what happens when a CPU ...
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5k views

PCI Express - Clarification about BAR, Memory addressing and physical memory

I'm an absolute beginner starting to understand the PCI Express protocol and I need some clarifications about its mechanics. I understood that a PCI Express endpoint device may have some memory BAR ...
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Can a PCIe 2.0 x16 fit into x16 PCIe slot? [duplicate]

http://reviews.cnet.com/video-components/galaxy-geforce-gt610-graphics/4505-3025_7-35487730.html fit to ECS GeForce 6100 pm-m2 v2.0 ?
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PCI Serial Bus - Need

I have two entries in device manager after upgrading to windows 8. I followed the directions in a post on this site and it helped to some degree. but I still have two PCI Serial Bus that have no ...