PCI-Express is a high-speed expansion bus which is developed to replace older buses such as PCI and AGP. The most common use of PIC-Express is the GPU installation on motherboards.

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PCIe Video Card has a connector on top

I have an 8500GT XFX 512MB Video card(like the picture) and I noticed that it had an interesting looking connector at the top of it. At first I didn't really take it into much though, until the other ...
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PCIe 16x into a 1x slot

This is a very simple questions because i saw a video where some guy uses this PE4L V2.1 adapter to connect his 16x PCIe GPU to a mPCIe slot, but the adapter only uses a 1x PCIe slot. i have a 16x ...
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755 views

Serial PCIE not detected?

I have a "Moschip PCIe 9922 Multi-I/O Controller" 2x serial PCI-E card that I'm trying to get working on Ubuntu 13.04. lspci shows the controllers fine, but "dmesg | grep tty" isn't showing them. $ ...
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Determine PCIe device NUMA node

Assuming fairly recent Linux OS, is there an easy way to determine to which NUMA node the PCIe slot, where a device is plugged in, belongs?
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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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596 views

Powering 7970 HD cards. Separated cables or single cables?

I just received my new computer. It has multiple GPUs (XFX 7970 HD). They have two power sockets: a 8 pin socket and a 6 pin socket. Can I power each card with a single power line? My PSU ...
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HP 110-023wp desktop computer

The specification states that it has 1 PCIe half-length slot that can be used on this computer. I am wanting to put a graphics card in the case, as I don't like the Intel onboard HD2500 graphics ...
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1answer
501 views

Will Graphic Card with PCIe 2.0 version using on PCIe x16 1.1 affect graphic cards performance?

These are my motherboard specs. Slots 1 PCI Express x16 slot (PCI Express Bus SPEC V1.1a compliant) 2 PCI Express x1 slots 1 PCI slot, support 3.3V/ 5V PCI bus Interface. See the ...
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I'm trying to upgrade to a new GPU, need some help identifying whats in my PCIe x 4 slot

I'm trying to upgrade to a GTX 770 from a single slot GPU, however, it requires two PCI slots, and all mine are occupied. I know whats in one of the slots (not including GPU), but I need help ...
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133 views

New PSU won't power on with GTX780, works fine with 9600GT

A friend of mine had a PSU blow in the middle of other rotten luck, so I have him my PCP&C Silencer 910w and bought a SeaSonic SS-660XP2 (660W 80+ Platinum) as the replacement. It's a much ...
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200 views

Can you use a PCIe 16x card in a PCIe 1x slot?

Can this be done at all? Can this be done with a riser? I want to use two PCIe 16x cards in the two other slots i have on my motherboard that are PCIe 1x. Can it be done? Thanks,
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PCI express 2.0 vs 3.0

If I were to used a video card that is PCIE 3.0 on my motherboard which has PCIE 2.0 (its backwards compatible) will there Be any noticeable difference? Would buying a decent video card mean't for ...
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54 views

How to control PCIe power?

Is there any consumer-grade motherboard (for Intel i3/i5/i7 CPUs) that lets me physically power on/off PCIe slots? PCIe slots are on motherboards, so I guess a motherboard can easily power up/down ...
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146 views

i7 2600 compatibility with PCIe 3?

My motherboard and graphics card died recently and I was thinking of buying the ASRock Z75 Pro3 and R9 280X. I think that my i7-2600 (because it is Sandy Bridge)is not compatible with PCIe-3 which the ...
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What are these “notches” on the side of the PCI Express connector?

I was tinkering with my PC yesterday and now I'm wondering about these things. Not that it really matters to me, I'm just curious. Example below:
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2k views

Will This Mini PCI-E Half Length Card Fit Into Any of These Slots?

Will this 802.11 Wireless b/g/n PCI-E Mini card (Interface type: PCI-e half-length mini card) fit any of the slots on this motherboard? Newegg - GIGABYTE GA-Z77-HD3
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235 views

High end graphics card - motherboard can't handle it?

Considering my budget and since it feels it might be better to wait with newer motherboards until PCI 3.0 slots become common practice, I can't get myself to buy a motherboard for 150+ Euros, just for ...
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Will this graphics card fit my motherboard?

P31-ES3G motherboard: Which has expansion slots: 1 x PCI Express x16 slot 3 x PCI Express x1 slots 3 x PCI slots Was thinking of upgrading my graphics card to a: XFX R7850 CORE EDITION PCI ...
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209 views

How much Bandwidth does an Express Card slot on a Laptop put out?

I want to buy a Dell M6800 Laptop workstation. Can someone tell me how much bandwidth does 54 mm Express Card slot put out ? Also how many lanes of PCIe that slot has ? ( x1, x4, x8, x16 ) How do I ...
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143 views

Tesla K20 PCIe 2.0 limit in driver or VBIOS?

I have multiple Sandy Bridge/Sandy Bridge-E GPU/CUDA development machines and while I could get both GeForce GTX680 and TITAN to work in PCIe 3.0 mode (using the NVreg_EnablePCIeGen3 driver option, ...
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1answer
847 views

Is ATI Radeon HD 7870 compatible with GA-G41M-Combo motherboard?

My computer specifications are as follows: Intel Core 2 Duo E5300 2.6 GHz 8 GB DDR3 RAM Gigabyte GA-G41M-Combo v1.3 ATI Radeon HD 4300 Windows 8.1 (for now... maybe I will go back to Windows 7) I ...
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Asus PCE-N53 11n N600 PCI-E Adapter on 3.x kernel

Problem ASUS PCE-N53 wireless NIC doesn't work for latest versions of the linux kernel. How do I get it working on my system?
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631 views

Does a PCIe to dual mini-PCIe adapter exist? [closed]

I'm planning to make a home server that would serve as NAS, router and Wi-Fi access point. It should be small, so I choose mini-ITX form-factor which often has only one PCIe slot. I want a powerfull ...
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540 views

Auto vs Onboard/Card Dell Desktop

What is the difference between auto and onboard/card on the dell optiplex 960? The description is very lacking. As the name suggests for auto, if I do not have a video card inside, it will still use ...
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538 views

What is the name of the WiFi card size in the UX31E?

I am planning to upgrade the WiFi card in my 1st gen Zenbook UX31E from N to AC. What is the name of the size of my Mini PCI-Express card?
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Adding eSATA PCI Express card

I've tried to add a PCI Express card to be able to plug eSATA hard drives to my home server (running Proxmox). Everything is plugged but I'm stuck. Is there any thing to do to setup the PCI card ? ...
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does this wifi card fit any of these pci slots?

Here's an image of my motherboard (from a dell optiplex 740): Will any of these two intel centrino cards fit in here? INTEL CENTRINO ADVANCED-N 6235 (=Mini PCIexpress) Intel Centrino ...
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752 views

How performance critical is having 16 lanes avaiable for a discrete GPU with PCI express 3.0, versus 8 lanes?

I'm looking at using a Nofan CR-95C processor heatsink with a Gigabyte GA-Z87MX-D3H (e.g. from QuietPC who build systems this way, see http://www.quietpc.com/sys-a460). However, I occasionally want to ...
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310 views

What kind of hardware do I need to have 4-5 CUDA graphic cards on Windows?

I need to run some heavy CUDA tests and I can buy something like 4-5 quadro or tesla graphic cards. My question is: what kind of hardware should I buy to use them in a Windows environment with Nsight? ...
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450 views

How to stabilize PCIe sound card in its card slot?

I have a Soundblaster Recon 3d Fatal1ty sound card and randomly every once in a while my computer won't recognize it. I am almost 100% sure it is something to do with its PCIe slot. After I turn off ...
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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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PCIe SSD as main (boot) hard drive on AsRock X97 Extreme M4

Recently, I assembled a new computer for personal use. With a top-notch CPU and video card installed, and reasonably fast RAM, the hard disk is now the main bottleneck in the system. The 3TB seagate ...
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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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3k views

Compatible Graphics Cards for Dell Precision T5400

I just acquired a Dell T5400 workstation for use as a virtualization platform and general purpose workstation, and I am stuck on a few things. For one, the documentation I find on it is maddeningly ...
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Do Express Card to USB3.0 adapters work?

I have "Express Card USB 3.0 adapter" like this (it's in polish so I add to it Google translation, forgive that) ...
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235 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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135 views

Several hardware components either work or not after booting

I have a desktop computer which I put together myself and in the last weeks I discovered a strange behavior. The same issue refers to three components independently. The onboard network controller, ...
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51 views

Running two graphics cards for multimonitor support

I would like to add an additional graphics card in to my 2nd PCI-E slot to give me two further VGA/DVI ports along side the two on my primary card. I am unsure if this secondary PCI-E slot is for SLI ...
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353 views

My computers startup got slow after changing the PCIe which my graphic card was installed

I recently found that that i had my graphic card installed on the wrong PCIe. Instead of using the 16x one (for Express 3.0) i was using the 8x one. So i just unplugged my graphic card from the 8x and ...
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Motherboard 2.0 x16 will accept graphics card PCI-E 3.0 x16? [duplicate]

I am considering buying the motherboard listed below. The specs say it has a PCI-E 2.0 x16 slot. There are PCI-E 2.0 x16 video cards. But there are 3.0 x16 graphics cards available but there don't ...
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How to Perform Full Power Cycle on Reboot

Hopefully this is the place to ask this. My problem is that I have a PCIe device I'm trying to use on a home built computer. The card will only work on a full power cycle of the computer. I've tried ...
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3k 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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Does PCIe 3.0 x8 provide enough bandwidth for a dual QSFP 40Gbit NIC?

I'm researching dual QSFP 40GBit network cards for a work project and have a few questions regarding PCIe 3.0's theoretical max bandwidth. I'm currently looking at a dual QSFP PCIe 3.0 x8 card on CDW ...
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PCI-Express: determining Max Read Request size

Is there a way I can determine the current Max Read Request size of PCI-Express on a running Windows 7/8 system? I have googled for some time now and have tried a number of programs that display ...
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How do I get a voltage on a PCIe Parallel Port?

I'm trying to use a PCIe Parallel port from C++. (http://www.amazon.com/StarTech-com-Express-Profile-Parallel-PEX1PLP/dp/B004G7O2AC) I can't seem to change the status of any of the registeres and my ...
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Mini PCI-e to USB adapter for Netbook SSD access

My old Asus Eee PC 1000 Linux netbook laptop finally kicked the bucket. It now frequently halts at random times, including immediately after pressing the power button. After some tests I concluded ...
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698 views

Pcie x16 slot 2 broken?

So basicallly, I got a brand new px8z77-pro motherboard. All the pcie slots work appart from slot 2. Im trying to run Sli with my two gtx 680 and due to this problem, I am not able to. My power ...
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How to fit 12 drives onto a server motherboard

I am thinking of building a cheap home server and found a server chassis which holds 12 SATA drives. I'm looking at this motherboard, but I am having a hard time understanding how to fit 12 drives ...
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Will my old pci express v2 video card (evga 8800 gt) work in a mobo with a pci express v3 slot?

I'm looking to get a new motherboard. I know that if the graphics card has a higher PCI version than the slot, it should work. But what about the other way around, where the slot has a higher version ...
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Physical obstacle plugging PCIe 4x into PCIe 8x

I know this has been already discussed, for example in this question, where there's even a wikipeida quote saying that it's possible. So, according to that, I bought that PCIe 4x card. I have two ...