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

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Can I use an onboard and pci vga simultaneously?

I have an old machine I'd like to get running with dual monitors. The pci vga only has only 1 output port. However, I have another output via the onboard video card. Can I leverage both video cards to ...
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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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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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How to Tell Which Devices are in a PCI Slot

I am trying to figure out what devices are in my desktop computer's PCI slots. I need an open slot for installing a wireless adapter, and I cannot figure out which ones I can take out, and which ones ...
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Adaptor that allows me to use a PCI card via a USB connection

Of course, I have a cool card from a desktop I'm retiring, that I'd like to be able to use from the laptop I've replaced it with. Laptop has no docking station. Best I can replace the card for is a ...
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Booting From VIA VT6421A Based PCI SATA Card

I bought a VIA VT6421A based SATA card for an 845 chipset based motherboard. The card is working – I can access the SATA HDD from Windows/Linux. The problem is I can't directly boot from the SATA ...
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Error allocating Mem BAR for PCI Device 0X/00/0

I am getting the following error when I boot my Dell Precision 390. Everything appears to be working fine, but I would like to understand what the error means and how to fix it. I believe it ...
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Questions concerning PCI-E 2.1 vs. 2.0

My older PC's video card just kicked the bucket and has been BSODing. It has a PCI-E x16 slot. Newegg has video cards that are PCI-E x16, 2.0, 2.1, etc. The slot on my ASUS P5N-E SLI motherboard is ...
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How can I tell Windows or Linux to put a specific (PCI[e]) device into sleep/off (D3) state?

How can I tell Windows or Linux to power a specific device (e.g. USB controller, network card, video card) down, that is put it in the D3 state? From the very little I know about ACPI and such, the ...
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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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Is it possible to put a PCI-X card in a PCI slot?

By this, I mean is it possible to put a PCI-X card in a PCI slot? I heard from someone (who deals with servers all the time) that this is the case, however I may have misheard. Also, the card DOES ...
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Firewire via PCI, PCI-X or PCI-E

I have read up on this and sadly, have gotten some contradicting information. My issue is, my firewire units 'complained' when plugged into a PCI interface and requested they go direct into the board ...
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PCI max throughput

Hypothetical here, but I want to understand. Say I have a hand me down machine, 4 PCI slots, 64-bit 33 MHz PCI. How much data can that PCI bus handle? System bus is 133 MHz. I want to use one ...
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1answer
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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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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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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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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 ...