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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Can a PCI-E cable that splits into two…be used on different PCI-E devices?

The way my Seasonic X-1250 PCI-E cables are designed is... There's one end which is a single cable with a 12 hole connector...that goes into the PCI-E port on my power supply. But then the other end ...
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14 views

Special PCIe x8 in regular PCIe x16 slot?

Is it safe to plug it into a regular PCIe x16 slot on a desktop motherboard? The pic is HP NC375i NIC.
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26 views

Does unified Wifi/Bluetooth/Infrared hardware exist? [closed]

I've searched the internet for this but ended up on dead ends every try. I'm looking for hardware that's capable of receiving/transmittion signals using: Wireless (a, b, g, n and ac Dual Channel ...
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38 views

Do the usb ports (type c) of the new macbook or chromebook have direct PCIe access? Or do we not know yet?

The usb type c standard supports PCIe signals as an alt-mode. Do we know if the type c ports on the latest macbook and chromebook have PCIe access. If they don't or we don't know yet, then what is ...
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8 views

Can I make a 4pin EPS12V to a 8pin PCI-E adapter

I need two 8 pin pci-e for a graphic card, however all I have left is two 4 pin molex and a 4pin EPS12V. I've got two dual molex to 8pin PCI-E adapter what If I cut one of them, cut the male EPS12V ...
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21 views

PCI-E speed with CPU PCI-E lane limit

I'm looking at purchasing the i7-47(70|90)K. I noticed on the ARK page that the CPU can support up to 16 PCI-E lanes. I currently have a GTX 970 in one of the PCI-E x16, and an ASUS PCE-AC68 card in a ...
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35 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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50 views

How to know if the motherboard support a graphics card

This is my mother board: http://www.asrock.com/mb/Intel/ConRoe1333-D667%20R1.0/index.it.asp I can't find what pci-express verion it implements. I want to buy this graphics card with pci-express 2.1: ...
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203 views

New GTX 970 running on PCI-E 1.1 x16 instead of 2.0

I recently purchased a GTX 970 for my system and all seemed to be fine, drivers install perfectly, games run OK if not a little under what I would have expected (this is probably due to my CPU not ...
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61 views

PCIe power from a Dell Optiplex 7020

We've just purchased a new Dell Optiplex 7020 to house a PCIe digitiser for use in scientific work. The PCIe card in question needs extra power in the from of a 6-pin 'PCIe' power cable. ...
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2answers
70 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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16 views

How is lane transfer speed of PCI-Express determined?

I'm trying to learn more about PCI-Express and expansion buses and am stuck on calculating transfer speed of each lane. I understand that different peripherals, like graphics cards, have different ...
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1answer
20 views

Can I turn an internal PCI-E audio card into external cheaply?

I like listening to music, but the one thing I can't get with the mobile devices (players, smartphones, notebooks) is the volume and clarity I get from my desktop pc audio card. It's nothing special, ...
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1answer
36 views

PCIe Intterupts beind PLX switch

Firstly, I'm not sure if this is the best place to ask this question, so apologies if it isn't, but given its a quite niche question, I don't know if there is anywhere really suited to ask it. A ...
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116 views

PCIe slot #2 no detecting gpu on (2nd) brand new Gigabyte G1 x99 Gaming wifi

I'm losing my mind over this, but here goes. Brand new Gigabyte G1 X99 Gaming Wifi mobo, New i7-5820k cpu, new Corsair Vengeance 16gb (4gbx4) 2800 ram with New OCZ Vertex SSD 120gb. So upon install, ...
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39 views

Soundcard not working in PCIe Slot

I own a Gigabyte GA-Z77M-D3H and bought a Asus Xonar DGX Soundcard. The MB comes with the following PCI(e) Connectors PCIe X16 PCIe X1 PCI PCIe X4 (as X16 physically) My Gigabyte GTX770 (Graphics ...
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19 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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106 views

Changing PCIE/ m.2 SSD drive

I have this following PCIE SSD on my Lenovo Ideapad U530 20289. I would like to replace this SSD with much more capacity, so I could install windows on it. I went through few PCIE SSD and I found ...
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36 views

How to overclock PCIe bus on TA880GB+ motherboard

I was given a XFX R9 290 by a friend. I have a Biostar TA880GB+ motherboard. It freezes and the Ethernet cuts in and out when the video card is installed. Apparently this is due to the XFX R9 290 not ...
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25 views

PCIe lanes CPU dependent?

Are the number of available PCIe lanes CPU dependent? I ask because of the 5820k and the 5930k differences.
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1k views

Is it safe to use one 6 + 2 PCIe power cable to GPU

I will be installing a R9 290x that requires both a 6 pin PCIe power connector and a 6 + 2 PCIe power connector. Is it ok to use one PCIe 6 + 2 power cable from the PSU that splits into two 6 + 2 ...
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57 views

msata ssd inside wwan port - dell P11F

I want to know if it is possible to let a mSATA ssd work inside a mini PCIe slot intended for a wwan card (It says wwann/tv)? I know that there is a difference between mSATA and mini PCIe but I also ...
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46 views

PCIe port backwards compatibility

Are PCIe generations backwards compatible? And will a port with N channels support a device with less than N channels? For instance, supposing I had a motherboard with a PCIe 3.0 x16 port. Would ...
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48 views

Why two similar pci slots when only one is available?

I am reading the specs of an MSI mb http://us.msi.com/product/mb/H97MG43.html#hero-specification. 1 x PCIe 3.0 x16 slot (PCI_E1, supports x16 speed) 1 x PCIe 2.0 x16 slot (PCI_E4, supports x4 ...
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41 views

Why is PCI-E speed so fast? [closed]

The wiki page for PCI-E says it is x16 bandwidth is 31.508 GB/s. Why is it so fast? Does it talk with CPU directly?
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158 views

troubles with PCI-E passthrough with qemu on ubuntu: pci-stub/bind says no such device

so im trying to bind my second radeon card to pci-stub, as per instructions for setting up GPU passthrough in here, but once i get to binding the card to pci-stub, it tells me it isnt there. this is ...
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106 views

Will Loading Up My PCI Express Slots Affect GPU Performance?

I wanted to know if loading up my PCI bus with different cards will affect my GPU's gaming performance. I have a ASUS Maximus VI Formula with 3 PCIe x16 3.0 slots and 3 PCIe x1 slots. I have a single ...
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116 views

Gigabyte GA-J1800N-D2H: mini-pcie ssd?

I'm currently building a HTPC and want to add a small System OS SSD to this board: Gigabyte GA-J1800N-D2H The specs list a Mini-PCIe port on that board, but the manual says it's only valid for ...
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1answer
30 views

PCI 2.1 NIC in 2.0 slot

I recently bought a cheap NIC which I think has a x8 PCI slot. On the box it says: "Compatible with PCI revision 2.1/2.2/2.3". I want to use this in the MSI H81M-E34. On the site from MSI it says ...
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What is a PCI-Express Lane?

I am reading an article bemoaning i7-5820K Will Only Have 28 PCI-Express Lanes compared to its sibling processors having 40 lanes. Isn't 28 lanes already too many? How many lanes would a normal home ...
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48 views

Does PCI-Express speed affect the memory bandwith and clock speed of my graphics card?

I need to buy a CUDA compatible graphics card for color grading work, and a lot of questions are popping up. Mainly this: If I put a card that supports PCI-E 3.0 into a 2.0 slot, does that have a ...
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2answers
171 views

ThinkCentre M71e PCIe network card not showing up

I bought a ThinkCentre M71e (3134-C4U) with the intention of using it connected to several separate physical networks. I bought a PCIe Network card (SuperMicro AOC-SG-I2) with two additional network ...
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247 views

Large video card bends under own weight

My ASUS GTX 770 card is so long and heavy that it bends under its own weight. The following picture is not mine, but my situation looks exactly like it: The bending has already become permanent, ...
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1answer
549 views

How can mainboards provide more PCIe lanes than the chipset?

I'm currently choosing parts for a new computer, with my main focus on high PCI Express speed and a large number of slots. In this iteration, I will probably choose a board with an Intel Z97 chipset. ...
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1answer
323 views

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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54 views

Error Booting from PCI-E Drive

To cut straight to the point. I have a computer. It has two solid state drives. One is pci-e, one is not. They both have ubuntu installed on them. I can boot from one hard drive, but I cannot boot ...
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55 views

Can multiple PCIe host devices enumerate the same piece of hardware?

I have a host device consisting of an Intel CPU and a PCIe switch; and I also have an adapter card which itself has some CPU, some PCIe end-point peripherals, and a PCIe switch. Normally only the ...
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234 views

What difference does sharing secondary PCIe x16 with other PCIe lanes (x16 and x1s) make?

I'm about to buy a motherboard and I have a difficulty understanding how sharing PCIe lanes works. I have two motherboard options: Gigabyte GA-Z97-HD3 Gigabyte GA-Z97X-SLI. Lets call them ...
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51 views

Mac Air SSD in new Mac Mini?

So I bought a new Mac Air in early 2014 that I promptly rested on the boot of my car before leaving work. Cut a long story short it falls off on the motorway and gets run over. Despite a smashed ...
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149 views

PSU has 2 PCI-e cables, and I don't know how to use their endings or if I need to use ONLY one cable

I've started to assemble my new PC and when I've finally attached my Gygabyte NVIDIA GPU (GTX 760), it needs some kind of PSU power, in the form of 6 + 8 holed socket. So far so good. My PSU (Cooler ...
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1answer
435 views

What is the “known hardware incompatibility” that disables PCIe Active State Power Management? How do I fix it?

I'm on Windows 7. I just ran a Power Efficiency Diagnostics Report through powercfg -energy and I got this error: Platform Power Management Capabilities:PCI Express Active-State Power Management ...
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21 views

Can a smaller Firewire800 PCIE card replace another larger Firewire 800 Card?

Unfortunately I found the headers on my computer's belkin 3-port Firewire 800 all tilted back somehow, and they snapped off when I tilted them forward to where they should be. As a quick fix, I have ...
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341 views

PCI Express x1 in a PCI Slot

Will this work? I found a cheap serial port card I need for a POS receipt printer but I'm not sure if the computer has a PCI Express x1 slot. For sure it has a PCI slot though so I'm wondering if I ...
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249 views

Why is my PCI-Express 3.0 graphics card running as PCI-Express x16 v2.0?

My new computer is a top value machine: Motherboard ASUS CrossHair V Formula Z CPU FX-9370 DRAM 2.133MHz GPU Radeon R9 280X PSU Corsair AX1200i All drivers are up to date (as for today: September ...
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104 views

error code 62 when installing a graphics card

Ok first let me say that when i first built my system everything works perfectly i had 2 msi lighting r9 290x's running in crossfire. The computer booted up with both graphic cards just fine, ...
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148 views

Intel 10Gbps card bandwidth

I have an Intel 10Gbps card that has the 82599 10GbE Controller. The card has two ports in it. The datasheet of the controller says it supports PCIe 2.0 (2.5 GT/s or 5.0 GT/s) Now, according to PCIe ...
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HP Pavilion p6000 - Support Nvidia CUDA cards?

HP Pavilion p6000 AMD II Seems to have a large PCI-E and 3 small PCI-E slots. I think it is a PCI-E 2 but I can't confirm. I was hoping to put one of these in it: ...
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2answers
126 views

Does PCIe x1 mean a standard height and full length?

I need a new computer that have a PCIe x1 slot that takes an standard height, full length PCIe card. In this specification (taken from HP Z230 Tower Workstation, ...
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83 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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469 views

USB 3.0 hard drive in usb 3 port only recognized as usb 2

Today, I bought a Sabrent CP-4PTU USB 3.0 PCI Express Controller. I installed the latest software from the website, and after a reboot, I plugged in a USB 3.0 hard drive into the controller, and the ...