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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How to disable a plugged-in PCI-e graphic card on OS level? [duplicate]

I have a server running for which I want to have a possility to access it with a screen connected to VGA (very rarely, most of the time it's accessed via SSH). Therefore I have a PCI-e graphic cards ...
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Building a new PC - PCI-E lanes and how do they work

I'm looking to build a new gaming PC that will last a while. I want to use a PCI-E x8 SSD + GTX 780 SLI in this build. Now i'm looking around on the web to see what i need to support this in terms of ...
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Is the South Bridge on today's motherboard capable of supporting PCIe?

I am reading a book that is describing the roles of the NB and SB (North Bridge and South Bridge) and the book explains the roles of each one. However, I'm wondering, is the SB capable of supporting ...
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Will a Half Mini PCIe card work in a desktop PCI Express 2.0 slot?

I have an Intel DH67BL motherboard. Will a Half Mini PCIe card work in one of the PCI Express 2.0 slots? For example, the following product which is a PCIe Half Mini Card: http://www.intel.com/...
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525 views

Graphic card connected but bios shows as empty slot

I build computer and i plugged graphic card (MSI Radeon R9 270X) to motherboard (MSI H81M-P33) and connect this to power supply (Corsair VS450) 2x6 pins but BIOS does not detect graphic card in PCI-E ...
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837 views

Will A PCIe Sata Controller help me circumvent AHCI woes?

I have re-purposed an old machine to be a home server. The first thing I did was install Windows 7 to a spare C300 64gb Sata 3 SSD that I had. I realised after setting up, and updating windows, that ...
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Will a PCIe generation 2 card work in a PCIe generation 3 slot? [duplicate]

I have a PC with a PCIe generation 3 slot. The card I am looking at is PCIe generation 2. If I buy the older card will it work in the newer slot?
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asus p8z77-v lx and gtx 970 not working in pci-e 16x

Today I got this motherboard cause my old p67 motherboard wouldn't work with msi gaming gtx 970. It showed a black screen and refused to post, like it wasn't even connected with the monitor. This same ...
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760 views

lenovo e50 and external graphics card

I have a very cheap desktop PC that a friend of mine bought. Its a Lenovo e50. However we need dual outputs so I was gonna install a PCI graphics card. So I've bought a Sparkle Geforce 210. ...
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345 views

New pci-e video card makes computer not boot

I'm trying to upgrade the video card on my Dell Vostro 460 mini tower (from 2011, i5 3.something GHz, 4GB RAM). The card is a "Gigabyte Radeon R7 250X 1GB 1x HDMI, 1x DVI, 2x Display Port PCI-e". This ...
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510 views

How to check if an attached SSD device is SATA or PCIe on Linux?

I have a machine with both SATA and PCIe SSDs attached. Is there a set of Linux commands (on Ubuntu or CentOS) that I can use to check if a given SSD is SATA or PCIe?
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Do some recent Intel-chipset-based Motherboard support PCIe 3.0? Web is undecided

I'm thinking of getting a motherboard, which I need to (properly) support PCIe 3.0. Now, I've been looking at Intel's desktop chipset website, e.g. here, and that says their current performance ...
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Dual booting with diffferent primary graphics cards [closed]

I need to be able to dual boot run two OSes, each having using a different PCI-E graphics card. OS A - card A (primary, 16 lanes PCI-e x16 slot) OS B - card B (secondary, 8 lanes PCI-e x16 slot) "...
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490 views

Is it possible to power a SATA drive from an 8-pin PCIe power connector?

I have a Dell Precision T3610 workstation that currently has two 3.5" SATA HDDs installed, and I'd like to add two more 2.5" disks in a hot-swap bay. I have two free SATA ports, but I'm struggling to ...
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14 views

Graphics Card Causing Splash Screen To Stay

I have a GTX 650 ti, and it recently had its drivers crash. After uninstalling and re-installing it with failure, it kept crashing. I formatted my drive using a spare Radeon 6770 I have. After ...
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125 views

Does a PCIe Multiplexer/Bandwidth splitter ASIC exist?

I may be using the wrong terminology, but I am looking for something that would let me multiplex multiple lower speed PCIe lanes onto a single higher speed one. For example, 3x PCIe 1.0 lanes onto 1x ...
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486 views

Will a single VGA in a PCIe 2.0 x16 (x4 mode) slot perform the same as in a PCIe 2.0 x16 one?

I have an ASUS P8P67-M REV 3.0 which has the following PCIe 2.0 slots: 1 x PCIe 2.0 x16 (blue) 1 x PCIe 2.0 x16 (x4 mode, black) I've just bought a new VGA (GTX 970), which is huge, and ...
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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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947 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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73 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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875 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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523 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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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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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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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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489 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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141 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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708 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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144 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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226 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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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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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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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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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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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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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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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 WiFi-...
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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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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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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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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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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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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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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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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 MOBO#...
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276 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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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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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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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 ...