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

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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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148 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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148 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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38 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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44 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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42 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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51 views

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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64 views

Supporting PCI-E X1 network cards by CentOS(RHEL)

Help me please I want to know it becase my windows 7 cant see my PCI-working network card and I dont want to buy a motherboard and then find that CentOS does not support PCI-E X1 network card. I want ...
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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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344 views

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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19 views

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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116 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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112 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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259 views

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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2k views

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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1k 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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822 views

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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50 views

unable to set value of latency_timer register of PCI configuration space

I'm using a Linux machine. I am trying to set latency timer value of my Intel PCI card using following command sudo setpci -d '8086:0100' latency_timer=01 But when I read the value of this register ...
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672 views

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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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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316 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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760 views

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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2k 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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46 views

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 ...
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139 views

same pci bus address for pci slot and on board ethernet port?

The pci slot address shown is same as the one shown for on board ethernet card. There is a conflict. Not sure how to resolve it. Various command output are dmidecode -t 9 | grep 'Bus Address' ...
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284 views

what is the difference in PCI “type” between these PCI cards?

The PCI cards happen to be different colours, so let's call them the black one and the green one. (i'm guessing the colour is just coincidence?!). I have an old computer that takes the green PCI ...
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2k views

mSATA drive swap for Wireless card

I was doing some cleaning of my older Acer Aspire 3860 laptop and noticed that my wireless card looks alot like an mSATA drive. I have not been inside laptops too often (clean, add RAM) but never ...
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LBA48 PCI Controller Card to use +137gb drives

I currently have in my possession an old tower with an ASUS motherboard that only has lba28, and am wanting use larger drives than is supported by lba28 (much larger). My question is, can I use an ...
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849 views

In the output of lspci -vv, what do the Region lines mean?

I have the following output from running lspci -vv -s 00:00 on my single board computer running Linux. 07:05.0 RAID bus controller: Adaptec AAC-RAID (Rocket) (rev 03) Subsystem: Adaptec ...
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How can I get the PCI port type?

Does anybody know how to get a PCI bus speed from the device manager. I have a hardware device, a frame grabber, that must be plugged into the right slots for maximal performance. I am trying to ...
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414 views

Is PCI x16 and PCI Express 2.1 same?

My Motherboard is Gigabyte GA-MA74GMT-S2. It is written that PCI slots are 1 x PCI Express x16 slot, running at x16 1 x PCI Express x1 slot 2 x PCI slots And I see one Graphic Card which is of ...
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521 views

Should I insert my video card at PCIEX4 or PCIEX16?

I have motherboard GIGABYTE GA-H77-DS3H and video card GIGABYTE GeForce GTX 660Ti. When I place it in PCIEX16 I have no video signal and motherboard makes 1 long and 2 fast beeps (which means video ...
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267 views

Laptop with two variants, identical motherboards: Graphics card addition possible?

Ok, I know a gazillion people have asked countless times about the possibility of adding a graphics card to a laptop, but this one has a twist: I got a Samsung NP300E5Z laptop recently, and the ...
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624 views

Detect PCI vs. PCI-E - linux shell

I have remote access to a computer, and I need to find out what kind of expansion slots is has, if they are PCI, or PCI-E, or something else. How can I do this from a shell? What commands are there ...
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156 views

New Graphic Card Not Working

I bought a new graphic card for my PC, before I had a 8400GS and now I've bought a VTX ATI 5450 card, however, after installing it, my computer stopped booting and made a clicking sound through the ...
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813 views

Is it possible to operate 2 PCIe SSDs in RAID 0

I've seen some PCI SSD cards at attractive prices and staggering performance (1GBps). I've got my data on a 4 disk RAID 5 and enjoying the ~360MBps read speed. I'm considering speeding up the system ...
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495 views

Bandwidth of PCI SATA card VS built-in SATA

I have an older HP DL 380 G4 server that I want to utilize as a NAS. Currently it has 6 Hot Swap drives coming in at a measly 36.4 GB each – not exactly a ton of space. It does have a PCI slot ...
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278 views

Are all PCI cards the same size or less than a particular size?

If many different cards fit into many different laptops, is that because they are all of approximately the same size? Or of exactly same standard size? Or how does it work? Or am I mistaken in ...
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58 views

Will mPCI cards work in a PCI slot?

I have a really old computer that I'm turning into a pfsense router. I'd like to add wireless support. The pfsense docs suggested I get a card like this one. Will this mPCI card work in my old ...
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101 views

Graphics card compatible with my motherboard's PCIe capabilities [closed]

I'm working on segmentation of 3D volume images on CUDA, and I want an Nvidia graphics card with Computer Capability over 2.0 and 2 GB of memory. I currently own a 9400 GT with Compute Capability 1.1 ...
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How are PCI/PCIe BARs configured to access memory on the device?

In my previous question, I established that the memory address used by PCI/PCIe devices does not have to mapped to system RAM, but could also refer to "on device" memory, e.g. RAM or registers. But ...
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Clarification of the difference between PCI memory addressing and I/O addressing?

Could someone please clarify the difference between memory and I/O addresses on the PCI/PCIe bus? I understand that I/O addresses are 32-bit, limited to the range 0 to 4GB, and do not map onto system ...
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Do PCI / PCIe buses and devices always enumerate in the same order?

I am looking into a situation where there are multiple, identical (National Instruments) PCIe DAQ modules in a PCI/PCIe chassis, connected via either a single or dual chassis controller. In the worst ...
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86 views

Multiple sound cards of the same brand? [closed]

I wish to build a home media server, which i am already half way through creating an application to stream media to different outputs. For the setup of the PC, i need 5 outputs in total (possibly one ...
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97 views

PCI Tv Tuner not receiving signal

I inherited an Angel II PCI Dual TV Tuner card, popped it into my computer's PCI slot, plugged in my coax cable, but am having trouble getting any type of signal to it. The computer I am using is ...