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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Is the PCH part of the PCIe Root Complex?

I always thought that the CPU and the PCH together make up the Root Complex, because both contain Root Ports and therefore are connecting PCIe devices to CPU and memory, but yesterday I read this ...
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11 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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23 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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GALAXY GeForce GT 610 2GB DDR3 PCI Express 2.0

Motherboard is MSI K9N6PGM2-V2.3 PSU 350 watts RAM 4GB Processor AMD Phenom quad core 955 3.2 GHz Is the GALAXY GeForce GT 610 2GB DDR3 PCI Express 2.0 graphics card compatible with my hardware? I ...
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14 views

How do I debug why my NVIDIA graphics card is failing (maybe dead)?

I have a GeForce GT 610 (pretty cheap graphics card but gets the job done) installed on my NAS to play HD content with Kodi (formerly know as XBMC). A month ago it stopped working. I mean, there was ...
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31 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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29 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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78 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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36 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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41 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
16 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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1k views

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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18 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
76 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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2answers
79 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
479 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
94 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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30 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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38 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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1answer
97 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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45 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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66 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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50 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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18 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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67 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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176 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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82 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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2answers
93 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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50 views

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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55 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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49 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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1answer
330 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 ...
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17 views

4-Port Ethernet to PCIe Options

We are developing a distributed multi-channel data acquisition system. We are using 100BASE-TX for data transmission. However the data throughput requires a minimum of 4 Ethernet cables to the PC, ...
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1answer
28 views

How to properly install ethernet card

I picked up a PCIe ethernet card because my ethernet port stopped working. I got this ethernet card. I have the following motherboard. I'm having trouble figuring out how to plug it in. My ...
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1answer
77 views

SBC that interfaces with firewire and ethernet

I have been looking around for a single board computer that can pull in information from a 6-pin firewire device, use Linux to do some computation on that incoming data, and then send information out ...
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2answers
58 views

Why are bigger PCIe cards mechanically incompatible with smaller slots?

Why are higher-lane PCIe cards mechanically incompatible with lower-lane slots? For example, why are the x8 slots designed in such a way that an x16 card can not be inserted into them? They could have ...
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1answer
1k views

Will a PCI Express x16 2.0 slot work with a PCI Express x16 3.0 graphic card

I am thinking of getting a EVGA GeForce GTX 750 Ti and put it in my HP Pavilion a6518f Desktop PC. I upgraded the power supply to a 350W switch is enough I think. But I am worried about the ...
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Virtualbox, Windows 7, how do I remove “ATA Device” from msinfo32 and Device Manager?

In Virtualbox, you can change the hard drive or DVD name, manufacturer, serial, etc. (Virtualbox manual, 9.9.2.). However, the friendly name always ends with "ATA Device", after the normal formula of ...
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86 views

Searching for PCI-Express 2.0 compatible AMD graphics cards (with CrossFireX)

I still have an Asus AMD motherboard (Socket AM3+) that has PCI-Express 2.0/2.0x16 slots. It appears that all the HD Radeon series 6000-7000 cards are PCI 3.0. Are there any HD Radeon cards ...
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Desktop graphics card on laptop [closed]

Does anyone know of a external adaptor or enclosure, that would allow a nvidia graphics card (PCI E) to connect to a Mac mini, over USB3 or better yet thundbolt port as it suposedly has more ...
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214 views

Graphics card pci-e slots for R9-280X

When removing my graphics card I accidentally snapped the clip off the pci-e slot. I've got an R9-280X graphics card on an ASUS® Z87M-PLUS: m-ATX motherboard. I've put the graphics card back in and ...
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1answer
19 views

AzureWave AR5B93 in Debian

I installed debian on my laptop few months ago. Everything was great and there were no (well, only a few) problems. I removed the wireless card (An AzureWave AR5B93), and today when I tried to put it ...
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What version expresscard slot do I have?

My laptop Elitebook 8640p has a Express card slot. But i dont know version of this Pci-e slot. Please help me detect version of this PIC-e slot (ver 1.0 or ver 2.0). This is result of PC-wizard ...
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27 views

Unbind a driver from PCIe device on windows

To unbind a driver from the device on Linux, we can use echo 0000:00:dev > /sys/bus.../unbind. This just unbinds the driver from device and we don't need to uninstall the entire driver. I want to ...
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Dell Vostro 3550 have a PCIE or MPCIE or MXM slot?

So I was wondering if the Dell Vostro 3550 has a PCIE or MPCIE or MXM slot that I could swap out the current component using it and replace it with a gpu? I've tried looking at service manual's and ...
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261 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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2answers
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On PCIe 1.0, does a 64 bits graphic card could be compatible with 32 bits OS (Windows 7 32bits)

On PCIe 1.0, does 64 bits graphic card could be compatible with 32 bits OS (Windows 7 32 bits) ? Is there any restriction? Edit: Few peoples told in comments that bitness should not be an issue. ...
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2answers
2k views

What are the performance differences between PCI-Express x16 and x4

I have two PCI-Express x16 slots on my motherboard, but one of them only has x4 bandwidth. For passing through my graphics card to a virtual machine I need to use both slots and unfortunately, the ...
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202 views

SATA 3 PCIe Controller working with decreased performance (slower than SATA 2)

After reading this question about maxing out an SSD I decided to do so myself. My mobo only supports SATA 2 and has two PCIe 2.0 x1 connectors (which promiss up to 500 mb/s). So after some searching ...
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38 views

SY-PEX24028 NIC is not detected by FM2A88X-ITX+ motherboard

I'm trying to use a SY-PEX24028 (PCI-E x1) card with my FM2A88X-ITX+ motherboard. I'm using my the board's only PCI-E x16 slot for the card. I have not been able to get it to detect the card either in ...