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 PCI-Express is the GPU installation on motherboards.

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Using Dx9 GPU for Dx11 games with DX11 IGPU?

Is it possible to run DX11 applications, if GPU supports only upto DX9 and iGPU supports DX11. If not then ,is it possible to make all Graphics processing in iGPU and use GPU as Physx. Note my rig is ...
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How to set PCI registers

What program can I use to set PCI configuration registers from Windows 10? I have tried using setpci and BAR-edit, but when I try to write to the registers, it has no effect; when I try to read back ...
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ASUS motherboard doesn't recognize second video card

New system, briefly: ASUS Z97-A/USB3.1 motherboard 2x AMD RX480 video cards Windows 10 (64-bit) Latest BIOS, drivers, yada yada This thing refuses to acknowledge any video card that is not in the ...
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2answers
6k views

Should a 2.0 card work on 1.0 PCI Express slot?

I want to buy the ZOTAC ZT-50401-10L GeForce GTX 550. Which is PCI Express 2.0 x16. I am a bit concerned about this because the official tech support said: The Motherboard Asrock G41M-VS3 R2.0 ...
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1answer
2k views

What is “intel 945g pci express root port 2771”?

I find that entry in the memory allocation list of my computer (Workstation -> Device Manager -> View -> Resource by Type). It takes up 256MB of RAM and I'm wondering what's it good for.
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20 views

GDDR5X and HBM2 PCIe 3.0 lane requirements for GPU computing

I use a GPU for deep learning tasks which use a lot of GPU memory and memory bandwidth. I currently have a GTX 980 Ti and an i7-4790k (only 16 PCIe lanes). The GTX 1080 uses GRRD5X that has a memory ...
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1answer
766 views

Can I change the “mini” wireless card in my Dell laptop

I have a Dell Studio XPS 16 and I would like to replace the built in wireless card. Is the "mini" card they call it actually a mini pci express card? If so can I then swap it out with another 3rd ...
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59 views

How to use setpci to set link speed?

I have an 660TI plugged into my notebook via expresscard. I know the expresscard slot is capable of PCIe-2.0 speeds; When I plug my graphics card in before I have installed the drivers, it shows up ...
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1answer
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How does PCI-E 2.0 “double” the GT/s as opposed to PCI-E 1.0

I've tried to search for this at a lot of places online except simply going and reading the 1000 page specsheet and comparing it with PCI-E 1.0 But quite simply put, how does PCI-E 2.0 achieve 5.0 GT/...
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12 views

Number of PCIe Lanes supported by processor - how many/which devices are still usable? (i5 6600K)

I'm planning on getting the Intel i5 6600K which, according to Intel, supports 16 PCIe Lanes max. Now, I've searched around a bit, (also read through some forums, but they weren't too clear) and ...
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1answer
855 views

Is Samsung 950 PRO M2 compatible with ASUS P9X79 DELUXE mobo?

I am impressed by the read/write times of the Samsung 950 PRO M2. I have a slightly out of date mobo: the ASUS P9X79 DELUXE. I do not see an M2 port listed in the mobo specs; however, it does have ...
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6answers
16k views

Can I use a mini PCI-E card in a standard motherboard with PCI/PCI Express slots?

I'm helping someone build a computer and they absolutely insist on having an internal Bluetooth adapter. I've been searching around for a PCI-E/PCI based Bluetooth adapter but I've had no luck ...
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2answers
20k views

My internet speed wont run at 1.0 Gbps on my Realtek PCIe Family Controller

I have an asus Gigabit Router and a gigabit NIC (Realtek PCIe GBE Family Controller) witch is running at 100Mbps rather than 1000Mbps (1.0 Gbps). When I use an old laptop on the same Ethernet cable(...
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1answer
73 views

Where does PCI-E link-width negotiation occur?

I'm trying to diagnose an underperforming PCI-E card in my system, and I've realized that it's negotiating the wrong link-width. Specifically, from running lspci -vv, I see: LnkCap: Port #1, Speed ...
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2answers
69 views

Can PCIe Solid State Drives store items like hard drive?

I am customizing a workstation in a computer brand website and it offers PCIe Solid State Drives category and hard drive category. I want to add a solid state drive in the workstation, but I could ...
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1answer
36 views

getting replacement PCIe-NVMe SSDs

In the past when I bought laptop's I'd get the smallest / cheapest (SATA) HDD available and then swap it out with a better one from newegg.com. This one particular laptop I'm now looking at comes ...
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44 views

Graphics card not getting fully inserted into slot

I have an MSI GeForce 550 Ti graphics card, which was working till very recently in a 785GM motherboard without any issues. I removed it from the slot for easier access to a hard disk in the case. ...
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2answers
50 views

Low Profile PCIe card in a standard ATX case - will it fit, and do I need adapters?

I've got a standard normal-sized ATX case (don't know its name or specifications, because I got it from a friend) and a standard motherboard (MSI B150 PC-Mate) inside. Since it doesn't come with a ...
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2answers
6k views

How to tell what version of PCI Express slot your system has?

I have just bought Lenovo H50 90C1 desktop system. It has one PCI Express slot, unmarked (does not say 3.0). There is no name on the motherboard other than Lenovo, it is an internal cheap ...
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9 views

Cpu's and chipset's Pci express lines

I am confused about the distribution of pci express on a motherboard.For example if I have an i7 6700k,it has 20 pci express lines and z170 chipset has other 20 pci express lines.Does it mean that ...
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10answers
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Is it possible to connect an external GPU via Ethernet?

I have laptop which has working Ethernet port but I always use WiFi . I am wondering if it is possible to run and use a graphics card (with external power supply) connected to the Ethernet port (with ...
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1answer
831 views

Samsung PRO 950 SSD recognized as SATA instead of PCIe inWindows 10

I have a new ASUS G752VL-DH71 laptop and I installed a SAMSUNG 950 PRO M.2 512GB PCI-Express 3.0 x4 SSD in it. The hard drive is totally usable in Windows (as drive G:) but there are three issues: ...
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53 views

Fastest available drive to date by booting time

So I'm going to build a new computer; there is a very important criteria for the specs: I want the computer to boot and start programs pretty much as fast as possible. I looked into PCIe SSDs and read ...
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25 views

How get PCI express configuration for SSD storage?

I am looking for updating my SSD in my laptop to a newer/faster one. The one currently in the laptop is the default one that came with the purchase. It is an m.2 ssd. The problem is that I am ...
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25 views

PCI Express x16 Video card memory issue

Can a PCI Express x16 video card that uses DDR2 OR DDR3 memory work on a computer running DDR memory? I bought a refurbished ASUS A8N5X nForce4 Motherboard & AMD64 3000+ Processor. The motherboard ...
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24 views

Can I pass non-graphics PCI-E without host drivers to virtualbox vm on FreeBSD

Like the question says, I have a pci-e card with windows (but not freeBSD) drivers. Can it be passed through from a host running FreeBSD 10.3 or higher to a VirtualBox VM running Windows 8.1/10? The ...
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How to tell if an empty PCI Express slot is 1.0, 2.0 etc? (general test, or enquiry command, not refer to spec)

Is it possible to run a test on an empty PCI Express slot to definitively determine that the slot is PCI Express 2.0 or not? My reason for asking is to see if I get the most out of USB3.0 with my ...
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1answer
23 views

Wireless network card in other slot

I got this motherboard. I want to buy a wireless network card, but the graphics card takes two mobo slots, and hides a PCI Ex1.0 slot (the bottom one). Can I put a network card in the top PCI Ex1.0 ...
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SATA III PCI-E controller card hangs installers / live CD

This is a long shot, but figured I'd ask here to see if anyone has a solution to my problem. I was wanting to put together an inexpensive file server, so I picked up an ECS motherboard that has an on ...
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Issues with mini PCIe to PCI Express x1 adapter

I have a Gigabyte Brix GB-BXi7-4500 which comes with a half size mini PCIe slot already occupied by WiFi + BT card. I want to use a Magewell XI100DE-SDI video capture card which requires a host ...
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101 views

Computer fails to sleep when booting from a NVMe SSD

Whenever I'm trying to put my PC to sleep, the screen goes blank but a power indicator stays on and all fans keep on working. I have a NVMe SSD installed on a PCIe card, and OS is installed on this ...
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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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Is there a Linux system command that can be called to change the arbitration scheme set for PCIe devices?

When probing our PCIe boards we see that everything in our system is set to a Fixed arbitration scheme. From my readings, this scheme is left up to the vendor (Which I'm assuming is our OS). I would ...
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Can I safely put a PCI-E 6+2 cable into a 12v4 slot on Enermax 1000W PSU?

I have an Enermax Revolution87+ 1000W PSU. It came with a total of 6 PCI-E 6+2 cables. (and some other cables, but that's the one I need information about) The red 12v4 slot, which appears to be ...
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2answers
91 views

What GPU specs match mini PCIe x0.5

I'm new to computer hardware, and I'm trying to add a GPU to my computer. My computer has built in AMD support, but I need a NVIDIA GPU to support CUDA. I'm crunching numbers in a Tensorflow program. ...
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80 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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6k 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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How do I deal with too few internal PCIe power connectors for a GPU?

I have an HP Z820 workstation and currently I have an Nvidia Quadro 600 (for display) and a GFX Titan (for CUDA computing) installed. The Titan takes up all the available internal PCI-Express ...
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1answer
838 views

Full-size card in slim case?

I have a Dell Optiplex 745 (the slim one) and was thinking of upgrading the video card. I was interested in something like the GeForce GTX 660 Ti, but because I have a slim case, this may not be ...
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1answer
875 views

Does the Inspiron 15 3537 have a PCIE or MXM slot?

So I was wondering if the Dell Inspiron 15 3537 has either a PCIE or M PCIE or MXM slot on it? I currently own one but can't get the keyboard off to open it up and have a look. It does have a ...
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1answer
26 views

What is the standard height of PCI-e slots in motherboards?

I am designing a scratch build and am going to be using a riser card for the GPU, but the case I am designing is extremely unforgiving of errors in measurements. A watercooling fitting will be ...
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185 views

Without BIOS support, can I install Linux on an NVMe SSD?

I’ve recently had a string of drive failures (5 in total from different brands) and I thought it would be a good time to replace them all with a very fast M.2 drive. My computer doesn’t have a M.2 ...
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How to connect firewire audio device to a Micro-ATX board

PC Spec: Motherboard Model - ASRock H81M-HDS 2 x SATA3 2 x SATA2 4 x USB 3.0 (2 Front, 2 Rear) 8 x USB 2.0 I have a new PC with a micro-ATX motherboard which is naturally quite small. Problem ...
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How do PCI-E work with insufficient cpu lanes

I'm currently on using a i3-4160 CPU and the total number of PCI-E lanes it supports is 16. I'm currently have a device taking up a 1x slot and have another 16x slot free. If I install a graphics card ...
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53 views

Can I install a PCI-E 2.0 x 4 SSD into my motherboard that has a PCI-E 2.0 x16 Slot?

I have an Asus P6X58D-E mainboard from a few years ago that has treated me well over the years and it has an octacore i7 extreme chip in it which I'd like to continue using. I was thinking I'd like ...
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1answer
44 views

Connecting ssd to a laptop without removing hard drive?

I have lenovo y50-70 . there is no msata ports or no free ports . but i want to add a ssd to it without replacing hard drive . i want to add a 120gb ssd. I am thinking if by splitter cable like sata ...
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2answers
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Can 1080p resolution be acheived with < PCIe x16?

I have a 2010-ish Dell Precision T7500 with 4 physical PCIe x16 slots, but electrically two of the slots are only wired for x4 and x8 speeds. Right now, I have an nVidia Quadro NVS 295. It's an x16 ...
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506 views

How much performance would a second GPU give me?

I'm really sorry if this is the wrong SE site to ask this question on (Please point me in the right direction!) I've purchased the following components for my computer: motherboard: http://www....
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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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627 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? ...